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Cutleria multifida. Botanical cyanotype contact print

Cutleria multifida. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Delesseria angustissima. Botanical cyanotype contact print

Delesseria angustissima. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Nitophyllum Gmeleni. Botanical cyanotype contact print

Nitophyllum Gmeleni. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Cystoseira ericoides. Botanical cyanotype contact print

Cystoseira ericoides. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Halymenia ligulata var. latifolia.

Halymenia ligulata var. latifolia.

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Notice. Botanical cyanotype contact print

Notice. Botanical cyanotype contact print

Public domain scan of manuscript, NYPL collection, free to use, no copyright restrictions image - Picryl description.

Halymenia furcellata. Botanical cyanotype contact print

Halymenia furcellata. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Asperococcus pusillus. Botanical cyanotype contact print

Asperococcus pusillus. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Plocamium coccineum (in fruit).

Plocamium coccineum (in fruit).

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Bonnemaisonia asparagoides. Botanical cyanotype contact print

Bonnemaisonia asparagoides. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Laminaria saccharina. Botanical cyanotype contact print

Laminaria saccharina. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Ceramium ciliatum. Botanical cyanotype contact print

Ceramium ciliatum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Halyseris polypodioides. Botanical cyanotype contact print

Halyseris polypodioides. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Myriotrichia filiformis. Botanical cyanotype contact print

Myriotrichia filiformis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Laminaria debilis. Botanical cyanotype contact print

Laminaria debilis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Contents, page 3. Botanical cyanotype contact print

Contents, page 3. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Callithamnion gracillimum [loose plate].

Callithamnion gracillimum [loose plate].

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Gelidium cartilagineum. Botanical cyanotype contact print

Gelidium cartilagineum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Halymenia furcellaria - Early photography, Public domain image

Halymenia furcellaria - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Chordaria flagelliformis - Early photography, Public domain image

Chordaria flagelliformis - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Punctaria latifolia - Early photography, Public domain image

Punctaria latifolia - Early photography, Public domain image

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Gigartina confervoides - Early photography, Public domain image

Gigartina confervoides - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Polysiphonia fastigiata - Early photography, Public domain image

Polysiphonia fastigiata - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Laminaria bulbosa - Early photography, Public domain image

Laminaria bulbosa - Early photography, Public domain image

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Nitophyllum laceratum ß uncinatum

Nitophyllum laceratum ß uncinatum

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Rivularia nitida - Early photography, Public domain image

Rivularia nitida - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Ectocarpus Mertensii - Public domain dedication image

Ectocarpus Mertensii - Public domain dedication image

Public domain photograph of decorated book cover, binding, free to use, no copyright restrictions image - Picryl description

Bonnemaisonia asparagoides - Early photography, Public domain image

Bonnemaisonia asparagoides - Early photography, Public domain image

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Bonnemaisonia asparagoides - Public domain dedication image

Bonnemaisonia asparagoides - Public domain dedication image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Lichina pygmæa. Botanical cyanotype contact print

Lichina pygmæa. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Porphyra linearis. Botanical cyanotype contact print

Porphyra linearis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Inside back wrapper. - Early photography, Public domain image

Inside back wrapper. - Early photography, Public domain image

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Myriotrichia claviformis. Botanical cyanotype contact print

Myriotrichia claviformis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Chylocladia articulata. Botanical cyanotype contact print

Chylocladia articulata. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Grateloupia filicina. Botanical cyanotype contact print

Grateloupia filicina. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Contents list. Botanical cyanotype contact print

Contents list. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Helminthocladia Griffithsiana. Botanical cyanotype contact print

Helminthocladia Griffithsiana. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Dictyota dichotoma, in the young state; and in fruit.

Dictyota dichotoma, in the young state; and in fruit.

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Helminthocladia virescens. Botanical cyanotype contact print

Helminthocladia virescens. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Nitophyllum ulvoideum. Botanical cyanotype contact print

Nitophyllum ulvoideum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Microcladia glandulosa. Botanical cyanotype contact print

Microcladia glandulosa. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Sphaerococcus coronopifolius. Botanical cyanotype contact print

Sphaerococcus coronopifolius. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Fucus vesiculosus v. balticus. Botanical cyanotype contact print

Fucus vesiculosus v. balticus. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Polysiphonia parasitica. Botanical cyanotype contact print

Polysiphonia parasitica. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Dumontia filiformis. Botanical cyanotype contact print

Dumontia filiformis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Gelidium cartilagineum.

Gelidium cartilagineum.

Public domain scan of the book page, free to use, no copyright restrictions image - Picryl description

Plate CLII: Chorda filum, Lamour

Plate CLII: Chorda filum, Lamour

Public domain scan of an art print, free to use, no copyright restrictions image - Picryl description

Iridæa edulis - Early photography, Public domain image

Iridæa edulis - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Iridaea edulis - Early photography, Public domain image

Iridaea edulis - Early photography, Public domain image

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Punctaria Plantaginea - Early photography, Public domain image

Punctaria Plantaginea - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Plocamium coccineum - Early photography, Public domain image

Plocamium coccineum - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Asperococcus echinatus - Early photography, Public domain image

Asperococcus echinatus - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Helminthocladia virescens - Early photography, Public domain image

Helminthocladia virescens - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Plocamium coccineum (in fruit) - Early photography, Public domain image

Plocamium coccineum (in fruit) - Early photography, Public domain imag...

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Zygnema curvatum - Early photography, Public domain image

Zygnema curvatum - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Padina pavonia - Public domain dedication image

Padina pavonia - Public domain dedication image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Nitophyllum ulvoideum in fruit - Public domain dedication image

Nitophyllum ulvoideum in fruit - Public domain dedication image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Schizonema Dillwynii - Public domain dedication image

Schizonema Dillwynii - Public domain dedication image

Public domain reproduction of illuminated book page, free to use, no copyright restrictions image - Picryl description

Bangia fusco-purpurea. Botanical cyanotype contact print

Bangia fusco-purpurea. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Himanthalia lorea. Botanical cyanotype contact print

Himanthalia lorea. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Gigartina confervoides. Botanical cyanotype contact print

Gigartina confervoides. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Iridaea edulis. Botanical cyanotype contact print

Iridaea edulis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Polysiphonia atro-rubescens. Botanical cyanotype contact print

Polysiphonia atro-rubescens. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Myriotrichia filiformis. Botanical cyanotype contact print

Myriotrichia filiformis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Callithamnion polyspermum. Botanical cyanotype contact print

Callithamnion polyspermum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Sargassum plumosum. Botanical cyanotype contact print

Sargassum plumosum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Fucus vesiculosus var. linearis.

Fucus vesiculosus var. linearis.

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Alaria esculenta. Botanical cyanotype contact print

Alaria esculenta. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Laminaria debilis. Botanical cyanotype contact print

Laminaria debilis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Fucus nodosus. Botanical cyanotype contact print

Fucus nodosus. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Gelidium corneum. Botanical cyanotype contact print

Gelidium corneum. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Halymenia furcellata. Botanical cyanotype contact print

Halymenia furcellata. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Dichloria viridis. Botanical cyanotype contact print

Dichloria viridis. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Nitophyllum Gmeleni. Botanical cyanotype contact print

Nitophyllum Gmeleni. Botanical cyanotype contact print

Picryl description: Public domain image of photogram, free to use, no copyright restrictions photo.

Rhodomela pinastroides.

Rhodomela pinastroides.

Public domain scan of the book page, free to use, no copyright restrictions image - Picryl description

Dictyota dichotoma, ß intricata.

Dictyota dichotoma, ß intricata.

Public domain scan of the book page, free to use, no copyright restrictions image - Picryl description

Callithamnion thuyoides - Early photography, Public domain image

Callithamnion thuyoides - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Chylocladia parvula - Early photography, Public domain image

Chylocladia parvula - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Gelidium corneum vars. - Early photography, Public domain image

Gelidium corneum vars. - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Gelidium corneum vars. - Early photography, Public domain image

Gelidium corneum vars. - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Ectocarpus distortus - Early photography, Public domain image

Ectocarpus distortus - Early photography, Public domain image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Nitophyllum versicolor - Public domain dedication image

Nitophyllum versicolor - Public domain dedication image

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Fucus vesiculosus. Botanical cyanotype contact print

Fucus vesiculosus. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Ectocarpus fasciculatus. Botanical cyanotype contact print

Ectocarpus fasciculatus. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Delesseria sinuosa. Botanical cyanotype contact print

Delesseria sinuosa. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Ectocarpus siliculosus. Botanical cyanotype contact print

Ectocarpus siliculosus. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Contents list. Botanical cyanotype contact print

Contents list. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Ceramium rubrum. Botanical cyanotype contact print

Ceramium rubrum. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Gigartina acicularis. Botanical cyanotype contact print

Gigartina acicularis. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Delesseria sanguinea. Botanical cyanotype contact print

Delesseria sanguinea. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Nitophyllum laceratum. Botanical cyanotype contact print

Nitophyllum laceratum. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Halidrys siliquosa ß minor. Botanical cyanotype contact print

Halidrys siliquosa ß minor. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Chondrus norvegicus. Botanical cyanotype contact print

Chondrus norvegicus. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Contents list. Botanical cyanotype contact print

Contents list. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Polysiphonia nigrescens. Botanical cyanotype contact print

Polysiphonia nigrescens. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Corynephora marina. Botanical cyanotype contact print

Corynephora marina. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Contents list. Botanical cyanotype contact print

Contents list. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Laminaria bulbosa. Botanical cyanotype contact print

Laminaria bulbosa. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Contents, page 3. Botanical cyanotype contact print

Contents, page 3. Botanical cyanotype contact print

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

Chylocladia kaliformis (in fruit).

Chylocladia kaliformis (in fruit).

Public domain scan of artwork from NYPL collection, free to use, no copyright restrictions image - Picryl description

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