the Brttijh Fuci, with particular Defcripiions of each Species. 179 



wcftern coaft, and in various other places. We have gathered it 

 alfo amongft other rejedamenta on the beach at Yarmouth in 

 Norfolk. 



The var. j8 differs from a in having the frond quite plain and 

 flat, very irregularly varying from half an inch to an inch and 

 half in width. The divifions are much fewer, and the angles of 

 the dichotomy very obtufe. The pezizxform bafe is fimilar, and 

 the whole furface is ftudded with fru6lification fimilar to «, leav- 

 ing no doubt of its being a variety of that plant. It was found 

 with a on the fandy beach at Yarmouth. 



41. FUCOS ACULEATUS. 



F. fi;onde fub-cartilaginea ramofiflima dentata, dentibus mar- 

 ginalibus fubulatis ere6lis. Herb. Linn. Buddie, p. 14. 

 Uvedakf p. 8. Mor. Hiji. Oxon. 3. / 15. /. 9. / 4. 

 R. Syn. p. 48. n. 38. Fl. Dan. /, 355. 

 F. mufcoides. Gmelin, p. 130. /. la. 



F. aculeatus. Sp. PL p. 1630. Fl. Ang. p. 585. Fl. Scot, 

 p. 924. Withering, vol, 3. p. 259. Stackhoufey Ner. Brit, 

 p. 24. f, 8. 

 Habitat in rupibus et faxis marinis pafllm. 



Adhasret rupibus et faxis callo craflb vix explanato— irow 

 1-2 pedalis, olivaceo-viridis, ad originem cartilaginea, filiformis, 

 teres, craflitie pennas corvinae, in ramos omnino fimiles, attamen 

 paulo tenuiores, flatim dividitur. Hi Rami aliis ramis ramulifque 

 membranaceis, linearibus, fub-pellucidis, vix quartam linese par- 

 tem latis, utrinque dentatis, dentibus fubulatis, moUibus, alternis, 

 ereais, femilineam circiter longis obfiti funt. Fru^ificatio, tuber- 

 cula minutiffima nigricantia in ramis ramulifque, fparfa. 



Aaa In 



