Ferns. Specimen of Cyanotype

Ulva latissima

Porphyra laciniata

New Zealand

Codium tomentosum

Enteromorpha intestinalis ß

Scolopendrium Vulgare

Rhodomenia Polycarpa

Confera arcta - the three upper specimens in the young state

Spiraea aruncus (Tyrol)

Conferva gracilis

Dictyota atomaria

Gelidium corneum, var. pinnatum

Cystoseira granulata

Polysiphonia cristata

Ceramium rubrum

Calothrix confervicola, parasitic

Ectocarpus distantus

Ceramium rubrum, var.

Corallina officinalis

Griffithsia multifida

Griffithsia equisetifolia

Ptilota plumosa

Polysiphonia byssoides