﻿234 LlCHENRS. COI.LEMA. 



coloratus , badius , margo crassus demum tumidulus fere 

 crcnulatus, dorsum Gorrugatum. llypotlieciuni inferius fiis- 

 cum , latens , nec ad marginem promincns , sub lente com- 

 posita cellulosum , cellulis eb)ngatis quasi e (locois thalli 

 contextis {icon. cit. II. 3. 4- ^- — ^^^- observ. p. 5().). 

 Thecae minimae , ovatae , simplices, quaternae senaeve sim- 

 pliciter seriatae {icon cil. II. 4.). Margo el dorsum exci- 

 puli, saepius flocculis demum pulvinatis, sub lenle monili- 

 formibus, tegitur. {icon cit. 11. 4.) 



SECTIO II. LATHAGRIUM. 



Collema Lathagrium , AcJi, Lichen. nniv. p. 6;6. — ■ 

 Coll. Enchylii , ejusd, L c. spec. nonnullae. 



Leptogii, Fries pl, homon. p. 255 (an et Collemati» 

 ejasd?) spec. 



Parmeliae fVallr. epec. nonnuUae. 



Thallus gclatinoso-foiiaceus^ atro-virens. 



Scutellae yel margine tantum thailode vel 

 duplici cinctae. 



COLLEMA NIGRESCENS. f 



C. thallo gelatinoso-foliaceo laxiusculo rotundalo-lobato 

 atrovirente superlicie saepius granulata, margine integerrimo, 

 scutellis sparsis adpressis, disco rufd-fusco, margine tenui 

 demum duplici. 



Lichcn crispatus , Scop. Fl, Carn. n^. 1410. 



Licben nigrescens , Hnds. FL. Angi, p, 45o. — T^inn, 

 Sn/)pl. pl. p. 45 1, — Ehrh. Beytr, 11, p. 246. — 

 F.jnsd. Pl, cry^pt. Dec. 10. n^- 98. — Bernh. in 

 Schrad, Joarn. I799. *• P* '^* — JVahlenh. Fl, 

 Lapp. p. 444. — Ejusd, Fl. Snec, p. 838. 



Liclien vespertilio , LtigJuf, Fl. Scot. p. 84. — Flor, 

 Dan. tah. 11 25. fi}^. 2. 



Lichen lactuca , Weher Spicil, Fl, Gott. p. 253. 



Lichen rupestris, Sivartz, IMeth, musc. illuslr, p. 3^. 

 et in ISoo. ylct. Ups. Jol, 4. p, 249. 



Licben llaccidus , u4cJi. in Nov. u4ct. StocJik, Fol 16. 

 p. 14. tah, 1. fig. 4. — Engl, Bot. tab. i653. 



Lichen furvus, Ach. l, c, Vol. 22, p, 164. iab. 3. fig. 6. 



