The Botany of Iceland - 01.12.1912, Page 99

MARINE ALGAL VEGETATION
85
Table 7. The Vertical Distribution of the Species-(continued).
Litto- ral zone Depth fmetre)
uppcr 3 ií o ira _i o 7 eo lO 7 o 1 O 1(5 (M J, O 05 1 eo M 1(5 05 _l 05 36—40 41—45 o K5 1 eo K5 K5 _l U5 O o 1 eo i(5 £ S 1 ! 1 s s 00 00
1 Acrocliæte parasitica ? ? —
sl Bolbocoleon piliferum 1 Ulvella fucicola. sl Pringsheimia scutata 1 Ochlochæte ferox 1 Urospora mirabilis 1 U. Hartzii sl U. Wormskioldii 1 Cbætomorpha tortuosum sl C. Melagonium 1 Rhizoclonium riparium sl Spongomorpha vernalis 1 Acrosiphonia albescens sl A. incurva sl A. hystrix 1 A. flabelliformis 1 A. penicilliformis 1 Cladophora rupestris 1 C. hirta 1 C. sericea 1 C. glaucescens 1 C. gracilis s Gomontia polyrrhiza s Ostreobium Queketti Cyanophyceæ. 1 Pleurocapsa amethystea 1 Plectonema norvegicum 1 Phormidium autumnale 1 Spirulina subsalsa 1 Calothrix scopulorum 1 Rivularia atra Fungi. Dothidella Laminariæ
A. Upper Littoral Zone.
The preeeding table shows that 18 species of Rhodophyceœ, 18
species of Phœophyceœ, 36 species of Chlorophyceœ and 6 species
of Cyanophyceœ grow in the upper littoral zone; that is, 78 species