Ceramium decurrens

Ceramium nodosum

Ceramium ciliatum β acanthonatum

Conferva carnea

Cystoseira barbata

Gelidium corneum / var. pulchellum

Polysiphonia simulans

Chylocladia articulata

Callithamnion versicolor

Chylocladia clavellosa, β sedifolius

Conferva fontinalis

Conferva ulothrix / parasitic

Ceramium fastigiatum

Schizonema Wyattiæ

Ceramium gracillimum

Ceramium flabelligerum

Laurencia pinnatifida / v. angusta

Chaetophora pisiformis / with / batrachospermum mon[iliform]e

Conferva glomerata

Enteromorpha clathrata

Conferva ericetorum

Diatoma marinum / on Ceramium rubrum

Callithamnion byssoides

Dasya ocellata

Gelidium corneum / var. pinnatum