CLADON-IA. 241 



cups dilated and cyathiform ; apothecia brown. L. E. p. 218. 



Tuck. Lich. exs. n. 25. Nyl. Syn. p. 192. 



b. Pocillum, Ach. ; thallus foliaceous, appressed, ,nmch thick- 

 ened, finally olivaceous- or tawny-brown ; podetia reduced in 



size. Fr. 1. c. Nyl. I. c. 



On the earth, a, common everywhere, Muhlenberg Catal 

 1818. Arctic America, Giseke ; E. Br. ; etc. Southern States, 



Ravenel; Hale; etc. California, Bolander. Oregon, Hall 



b, Bear Lake, Arctic America, Richardson. Islands of Behr- 

 ing's Straits, Wright. 



9. C. fimbriata (L.) Fr. ; thallus squamulose, much as in the- 

 last but smaller, and less abundant ; podetia cylindrical and 

 soon elongated; the mostly greenish, inembranaceous epider- 

 mis dissolving into a fine, glaucous-white powder; the cups 

 with erect margins ; apothecia brown. L. E. p. 222. 



a. Podetia shortish, but often proliferous - extended ; the 

 cups sub -denticulate. Fr. I. c. Tuckerm. Lich. exs. n. 121. 



b. tubtfformis, Fr. ; podetia slender, elongated ; the epider- 

 mis either as in a ; or more or less persistent and pale-tawny- 

 brown; now conspicuously beset with squamules; the cups 

 reduced in size, and either toothed or entire ; often proliferous- 

 firnbriate ; or not seldom abortive, and the podetia subulate ; 



apothecia confluent. Fr.! I. c. C.pyx.f. Fibula, FL! Clad. 



p. 63. C. fimbriata f. tubceformis, &-f. Fibula, Nyl. Scand. p. 

 51 ; & in Norrl. Lich. Fenn. n. 59, 60. C. adspersa, Mont. ! & 

 V. d. Bosch in Mont. Syll. p. 336. C. fimbriata, v. adspersa, 

 Tuckerm. in Wright Lich. Cub. n. 31, 32; & Gen. p. 147. 



c. radiata, Fr. ; much elongated, subulate ; or the cups sub- 

 ulate-proliferous ; or disappearing in radiate branchlets. Fr. 



l.c.,& Auctt. Tuck. Lich. exs. n. 122. 



On the earth, and rotten logs, throughout North America. 

 a, Arctic America (Richardson), Hooker I. c. 1823. New York, 



Halsey. New England, Tuckerman. b, in the northern and 



middle States, common, as well on the coast as in the mount- 

 ains, Tuckerman, etc. Southern States, Curtis; Eavenel; etc. 

 Ohio, etc. Lea; Hall New Mexico, Fendler. California, 



Bolander. Oregon, Newberry. c, White Mountains, N. H., 



Tuckerman Syn. N. E. 1848. Canada, Macoun. Studied in 



its entirety, the present species, however now approaching the 

 17 



