the Briti/h Fuci, with particular Defer iptiom of each Species, 1 70 



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

 alio amongft other rejectamenta on the beach at Yarmouth 10 

 Norfolk. 



The var. /3 differs from & 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 obtule. The pezizseform bafe is fimilar, and 

 the whole furface is ftudded with fructification fimilar to a, leav- 

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

 with ol on the fandy beach at Yarmouth. 



4r. Fucus ACULEATUS. 



F. fronde fub-cartilaginea ramofifTima dentata, dentibus mar- 

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

 Uvedaky p, 8. Mor. Hijl. Oxon. 3. f, 15. /. 9. f. 4. 

 R. Syn. p. 48. n. 38. Ft. Dan. U 355. 

 F. mufcoides. Gmelin y p. 130. /. 12. 



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

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

 p. 24. /. 8. 

 Habitat in rupibus et faxis marinis paflim. 



Adhneret rupibus et faxis cailo craffo vix explanato — From 

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

 teres, crailitie pennce corvinae, in ramos omnino fimiles, attamen 

 paulo tenuiores, ftatim dividitur. Hi Rami aliis ramis ramulifque 

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

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

 ereclis, femilineam circiter longis obfiti funt. Fruclificatio, tuber- 

 cula minutiflima nigricantia in ramis ramulifque, fparfa. 



A a 2 In 



