AUEICrLAEIXI. 325 



939. Corticium nudum. Fr. '• Xaked Corticmm." 



TVaxY, becoming rigid, agglutinate, flesh-coloured, growing 

 pallid; circumference determinate, smooth; hymenium covered 

 with a fugacious, whitish bloom. — Fr. Epkr.p. 5G-4. Ann.X.H. 

 no. 715. Thelepliora nuda, Eng. Fl. v. /;. 172. 



On twigs in woods. 



DistingTiislied from the last by its dull colour wlien dry. On the same 

 branch individuals occur very thin, quite smooth, and effused, vrhile others 

 are thicker, more cinereous, and tuberculats. Spores oblong, slightly curved, 

 •0005 in. long, -00015 in. broad.— ^. d; Br. 



940. Corticium confiuens. Fr. *• Contiuent Corticium." 



Membranaceous, waxy, agglutinate ; circumference radiating ; 

 hymenium naked, hyaline, then brightly coloured, somewhat 

 shining. — Fr. Epicr.p. 56-1. Ann. S.H. no. 716. 



On ash twigs, &c. 



Distinguished from C. nvduni more especially by its white, tomentose 

 margin. Spores oblong, 'OOOS in. long, "OO'Ji in. broad. The more perfect 

 specimens have a few scattered papillae.— ^.tL*5r. 



941. Corticium polygonium. P. '• Patchy Corticium." 



Determinate, adnate, soon grumoso-cartilaginous, hard, flesh- 

 coloured ; circumference similar ; hymenium continuous, red, 

 pminose. — Fr.Epicr.p.h^A. Berk. Outl.p.27G. 



On poplar branches. [Mid. Carolina.] 



Growing in little round detached patches from the ostiola of Sjihcerice. 



942. Corticium comedens. Fr, " Erumpent Corticium." 



Effused, exposed by the splitting of the epidennis of the 

 matrix, thin, innate, flesh-coloured, then pallid ; hymenium 

 eyen,smooth. — Fr.Epicr.p.oQo. Nees,f.2D6. Berk. Outl.p.'IlQ. 

 Berk. exs. no. 22. Thelephora comedens^ Eng. Fl. \.p. 171. 



On branches. Common. 



Distinguished at once by its peculiar mode of growth. It originates 

 beneath the bark, which peels off and leaves it naked, forming a margin 

 round it.— J/. ./. B, 



943. Corticium Sam.buci. P. '' Elder Corticium." 



Effused, subinnate, yariously incrusting, white, continuous 

 when growing, when dry cracked or flocculose and collapsing. — 



