354 PROCEEDINGS OF THE AMERICAN ACADEMY 



Cleveland from San Diego, entirely covers one of the lower leaves, 

 something like the normal state in Landsburgia quercifoUa. 



Cystoseira myrica, Ag. Nassau, Dr. E. Palmer. — Will probably 

 be found at Key West. 



10. Fucus (Fucodidm) fastigiatus, Ag. Pacific coast. 



11. Fucus (OzoTHALLiA, Thurct) NODOSUS, L. P2ast coast. — 

 Southern limit ? 



12. Fucus DiSTiCHUS, L. (F. fliformis, Gm.) Marblehead, Mass. 

 — Common in the fall. No other locality on our coast yet known, 

 although, probably, not rare. 



13. Fucus FURCATUS, Ag. — Common on the Maine and Massa- 

 chusetts coast, growing in deeper water than F. vesiculosus. This 

 species has the antheridia and spores in the same conceptacles, as is 

 the case with F. platycarpus, Thuret, a species not as yet recognized 

 on our coast, although it will probably be found. California, fide 

 Lenormand. 



14. Fucus CERANOiDES, L. East coast. 



15. Fucus Harveyanus, Dene. Monterey, Cal. 



16. Fucus vesiculosus, L. East and west coasts ; North Caro- 

 lina, Rev. E. M. Forbes. — Southern limit ? 



17. Fucus serratus, L. Newburyport, Mass.; Pictou, N.S. Only 

 two stations in America. 



' 18. HiMANTHALiA LOREA, Lyngb. " Coast of N. America," Ag. 



SPOROCIINACE^. 



This and the remaining orders classed by Harvey in the Melano- 

 spermtB are, with the exception of the Dictyotacece, placed by Thuret 

 in his division Phceosporce (vid. Ann. des Sciences Nat. 3 serie, t. 14, 

 1850). 



19. Arthrocladia villosa, Duby. Wilmington, N.C. 



20. Desmarestia aculeata, Lmx. New York northward. — West 

 coast ? Fruit ? 



21. Desmarestia viridis, Lmx. New York and northward. — 

 West coast ? 



22. Desmarestia ligulata, Lmx. Monterey northward. 



LAMINAKIACE^. 



23. Macrocystis ftrifera, Ag. West coast. 



24. Nereocystis Lutkeana, Post, and Rupr. Monterey north- 

 ward. — Fruit ? 



