ENVIRONS DE CHERBOURG. 231 



LIGHINA Ac. 



3 • **• pygmsea G.Ag. Spec. alg. p. 105; Tul. Mem. Lieli. 

 p. 187; NYL.Prodr. p. 17, Enum. p. 88, n. l,Syn.p.91. 

 — Chondrus pygmceus Lamocr. Ess.Thalass. p. 128; 

 Dub. Bot. gall. p. 948. — Fucus pygmceus Lightf. 

 Ft. scot. p. 964; DC. Fl. fr. VI, p. 5. 

 Sur les rochers maritimes, a haute nier; C. 



4. L. confinis C. Ag. Spec. alg. p. 105; Tul. Mem. 

 Lich.p. 188; Nyl. Prodr. p. 17, Enum. p. 88, n. 2, 

 Syn. p. 92. — Lichen confinis Fl. dan. t. 879, f. 2. 

 — Stereocaulon confine Ach. Meth. p. 317. — Fucus 

 pygmceus Wahlenb. Fl. Lapp. p. 502. — Gelidium 

 pygmceum Lyngb. Hydroph. dan. p. 41. — Chondrus 

 pygmceus (3 minor Dub. Bot. gall. p. 948. 



Sur les rochers maritimes, a tres haute mer ; AC. 



Trib. II. — COLLEMEI. 



PYRENOPSIS Nyl. 



5. P. fuscatula Nyl.! Enum. p. 88, n. 2, et p. 143 (in 

 Mem.Soe. Sc. natur. Cherb., t. V, 1857), Syn. p. 97. 



Surdes rochers schisteux, a Urville-Hague. — RR. 



COLLEMA Ach., Nyl. 



6. C. inyriococcum Ach. Lich. univ. p. 638, Syn. p. 



316; Nyl. Enum. p. 89, n. 7, Syn. p. 104. — Parmelia 

 myriococca Ach. Meth. p. 238. 

 Environs de Cherbourg (herb. Lenormand). 



7. C. flacciduni Ach. Lich. univ. p. 647, Syn. p. 322; 



Dub. Bot. gall. p. 607; Nyl. Prodr. p. 21, Enum. 



