MARINE ALGAL VEGETATION 



175 



The Fruiting-period of the Species. 



Bangia fuscopurpurea -j- 



Porphyra umhilicalis -|- 



P. miniata 



PorphjTopsis coccinea . . . 



Conchocelis rosea 



Chantransia microscopica 



C. Alariae 



C. secundata -j- 



C. virgatula -|- 



Ghondrus crispus -}- 



Gigartina mamillosa 



Ahnfeltia plicata 



Phyllophora Brodisei * interrupta 



P. membranifplia 



Actinococcus subcutaneus 



Geratocolax Hartzii -j- 



Cystoclonium purpurascens 



Turnerella Pennyi 



Euthora cristata _L 



Rhodophyllis dichotoma . . 



Rhodymenia palmata 



Lomentaria clavellosa 



L. rosea , 



Plocamium coccineum ... 

 Halosaccion ramentaceum 

 Delesseria alata 



D. sinuosa J- 



D. sanguinea 



Pterosiphonia parasitica -(- 



Polysiphonia urceolata . 



P. fastigiata 



P. arctica 



P. nigrescens 



Rhodomela lycopodioides -{- 



Odonthalia dentata 



Gallithamnion Arbuscula 



C. scopulorum 



Plumaria elegans 



Ptilota plumosa J- 



P. pectinata 



Antithamnion Plumula * boreale. 



A. floccosum 



Geramium acanthonotum 



G. Deslongchampii 



C. fruticulosum . 



Spring 



Summer Autumn 



Winter 



4- 



_L 



_L 



-f 



I 



4- 



