Ferns. Specimen of Cyanotype

Ulva latissima

Rhodomenia Polycarpa

New Zealand

Codium tomentosum

Porphyra laciniata

Scolopendrium Vulgare

Chylocladia ovalis

Dictyota atomaria

Spiraea aruncus (Tyrol)

Conferva gracilis

Enteromorpha intestinalis ß

Griffithsia multifida

Fucus æruginosus Turner. "Med. Sea Sisbon" New to Britain.

Rhodomenia Palmata ß Sarniensis

Ceramium rubrum

Polysiphonia nigrescens

Griffithsia equisetifolia

Calothrix confervicola, parasitic

Gelidium corneum, var. pinnatum

Polysiphonia cristata

Cladostephus verticillatus

Bangia fusco-purpurea

Ceramium rubrum, var.