Fucus vesiculosus. var. linearis

Griffithsia secundiflora

Laurencia pinnatifida

Rhodomenia polycarpa [= Rhodymenia polycarpa]

Rhytiphlea complanata / (Polysiphonia cristata)

Conferva Hutchinsus

Ceramium botryocarpum / upper spec[ime]n young

Gigartina acicularis / a in fine fruit

Rhodomela subfusca

Ceramium rubrum

Polysiphonia fucoides

Mesogloia purpurea

Fucus æruginosus Turner / "Red Sea. Lisbon"/ New to Britain

Achnanthes longipes

Chondrus membranifolius

Exillaria crystallinum / parasitic [= Exilaria crystallinum]

Gelidium corneum / var. pinnatum

Plocamium coccineum

Halidrys siliquosa, β minor

Callithamnion pedicellatum

Bryopsis plumosa

Callithamnion tetricum

Calothrix confervicola / parasitic

Polysiphonia fruticulosa

Conferva læte-virens [lætevirens]