R y fci p h I ae a. 16 1 



3. R. obtusiloba, fronde submembranacea 

 obsolete costata trausversim striala bi- 

 pinnata dentata, dentibus raultifidis. 



Fucus obtusilobus, Mert. 

 Ad oras Brasilia. 



55. ECTOCARPUS. 



1. E. leetiis, ramis Jaete virentibus oppositis 



patentibus , articnlis diametro dimidio' 

 breyioribus , capsulis ad Jatus interius 

 ramulorum. 



In mari Mediterraneo ad Malagara. 

 > 



2. E. si lie ill o s us ^ filis subliberis, ramis 



erectis subulatis, articnlis diametro sub- 

 longioribuSj siliqiiis lineari-stibulatis. 

 Conf. marina capillacea louga ramosissima 

 ntolliSy Raji Syn. 3. p. 50. Dili. t. 4* 



Cer. confervoides, Roth. Cat: i. t. 8. f. 3. 



Cer. pur urn, Roth. sec. Lyngb. 



Conf. siliciilosa, Dillw. t. E. 



Conf iitoralis 9 Huds. Lighlf. Dillw 



t. 3r. 



Cer. siliculosum, Ag. Syn. Hook. 

 Ectocarpus litoralts, Lyngb. t. 42. 

 Ectoc. siliculosiis, Lb. t. 43. Ju^g- 3. 2. 

 In sinu Codano, mari Baltico usque ad Da- 

 laron, Germanico^ Atlahlico usque ad Gades. 

 Ad Noveboiacum Americas. 



n 



