1926] 



BURT — THELEPHORACEAE OF NORTH AMERICA. XV 251 



Japan: Awaji, A. Yasuda, 12, 80 (in Mo. Bot, Gard. Herb., 



55660, 56311). 

 Africa: Houtbos, Transvaal, P. A. van der Bijl, 1495. 



60. C. ravum Burt, n. sp. 

 Type: in Burt Herb. 



Fructifications broadly effused, closely adnate, thin, not separ- 

 able, becoming pale pinkish buff to light buff in the herbarium, 

 even, not shining, becoming cracked at the center, the margin 

 thmning out, concolorous; in section 45-150 [i thick, not colored, 

 composed of densely arranged hyphae, interwoven near sub- 

 stratum but erect towards the hymenium, of numerous gloeo- 

 cystidia, and of very slender paraphyses; gloeocystidia 20-80 

 X 7-1 1 [A, the more ovoid ones nearer the substratum ; paraphyses 

 more or less numerous in the hymenial surface, very slender, 

 hyaline, curved, 3^-1 [x in diameter; spores white in spore col- 

 lection, even, 6-8 X 4-43^ [l. 



Fructifications up to 10 cm. long, 2 cm. wide, broken off at 

 both ends. 



On fallen frondose limbs. Florida to Louisiana, in Missouri, 

 Cuba, and Brazil. August to February. 



C. ravum has grayish fructifications closely resembling well- 

 developed ones of C. rubrocanum in general aspect but distinct by 

 gloeocystidia. 



Specimens examined : 

 Florida: C. G. Lloyd, 4832. 

 Alabama: Montgomery, R. P. Burke, 126 (in Mo. Bot. Gard. 



Herb., 5282). 

 Louisiana: St. Martin ville, A. B. Langlois, 1765 and N, type. 

 Missouri: Creve Coeur, E. A. Burt (in Mo. Bot. Gard. Herb., 



44045). 

 Cuba: Omaja, C. J. Humphrey, 3056. 

 Brazil: Rio de Janeiro, J. N. Rose, 21462, comm. by N. Y. Bot. 



Gard. Herb. 



61. C. mexicanum Burt, n. sp. 



Type: in Mo. Bot. Gard. Herb., and N. Y. Bot. Gard. Herb. 

 Fructifications adnate, small, circular, becoming confluent. 



