XXXVl 



THE AMATEUR^S SYNOPSIS. 



GEEEN SEA-WEEDS. ( Chlorosperms), 



FLAT; MEMBRANACEOUS. 

 ribless. 



Genus. Fam. 



Furph. 



Eound or ribbon-like; broad or narrow expansions . Poephtea XXI 



Grass green. 



„ tlie membrane formed of two 



layers of cells Phtcoseeis XXI 



Puckered and bag-like when young, afterwards 



bursting; membrane formed ol' one layer of cells Ulta XXI 

 Narrow stems and branches; blunt at top; tapering 



greatly to the base Enteeomoepha XXI 



CYLINDRICAL [tliread-slmijed) . 

 ■ unjointed. 



Solid. 



Dark green; spongy; the thickness of a goose-quill; 



many times forked ...... Codixjm XX 



Tuhular; unhranclied. 



Bag-like; inflated; of every width from a hog's bristle 



to three inches Enteeomoepha XXI 



Tuhular; tJiread-lilce; hrancJied. 



Threads in free tufts; or matted below; zoospores 



external Yaticheeia XX 



Threads long; undivided stems; profusely branched; 



tips pointed throughout Enteeomoepha XXI 



Stems beautifully plumed like feathers; sometimes 



replumed Betopsis XX 



Rose-red; minute; parasitic; fringing; branching 



forked Bangia XXI 



Green; minute; parasitic; fringing; branching forked Hoemospoea XXV 

 „ cushion-like tufts, formed of threads collected 



into branching bundles ScnizoTHEix XXIII 



Tuhular; JlUed ivith colour -cells ; unhrancJied. 



Long, dark purple tufts; lying in glutinous layers on 



rocks Bais-gia XXI 



-Eose-red; minute; parasitic; fringing . . . Bangia XXI 

 Green; „ „ in tufts, or forming 



close velvet-layers on rocks .... Calotheix XXIII 

 Green; bright or dull; forming fleecy layers- on floating 



plants Speemosiea XXIV 



Green; bright or dull; threads simple; needle-like; 



massed into gelatinous layers .... Oscillatoeia XIII 

 Green; bright or dull; threads simple; in bundles 



enclosed in snake-like sheaths .... Miceocoletts XXIII 

 Dull-green; threads in free tufts, or layers; matted 



below Ltngbta XXIII 



