AURICTJLARIXI. 321 



p. 560. Moiig. exs. no. 11^. Desm. exs. no. 417. Thelephora 

 gigantea, Eng. Fl, Y.p. 170. 



On pine stems. Common, [United States.] 



Circumference very broad and almost byssoid, with here and there a ten- 

 dency to become strigoso-radiate. 



923. Corticium lacteum. Fr, " Milk-white Corticium." 



Effused, merabranaceons, milk white beneath, and circnmfer- 

 ence loosely fibrillose ; hymenium waxy, darker, cracked when 

 dry. — Fr. Epicr.p. 560. Rahh. F.E. no. 1212. Berh. exs. no. 250. 

 Thel. lactea, Ann. N.H. no. SI. 



On trunks. 



Easily known by its smooth, white hymenium, covering a stratum consist- 

 ing of thick fibrillse. — M. J. B. 



924. Corticium arachnoideum. Berk. " Web-like Corticium." 



Effused, delicately byssoid, as also the circnniference ; hyme- 

 nium white, very thin, patchy, — Berk. Outl.p. 273. Ann. N.H. no. 

 287.^. 9./. 3. 



In woods. [United States.] 



Eunning over lichens, &c., the mycelium as delicate as a spider's web. 



Forming delicate, effused, arachnoid patches of a snowy white; threads 

 by no means forming fibres, but spreading like a delicate web, and often 

 remaining barren, but under favourable circumstances giving rise to a 

 smooth, even hymenium, consisting of elliptic sporophores arranged in little 

 bunches. — M. J. B. 



925. Corticium laeve. Fr. " Even Corticium." 



Effused, membranaceous, seceding, villoso-fibrillose beneath ; 

 circumference byssoid, not radiating ; hymenium even, smooth, 

 flesh-coloured and livid. — Fr. Epicr.p. 560. Puihli. F.E. no. 120. 

 BerJ:. exs. no. 2-46. Letell. t. 630./. 1. Thel. Icevis, Ann. N.H. no.80. 



On decayed wood, sticks, &c. Common. [United States.] 



This is the commonest of all the species, and assumes a variety of forms. 

 Sometimes it remains closely attached, sometimes the margin is broadly re- 

 flexed. The hymenium varies also in colour, being sometimes pure white. 

 The circumference is occasionally almost naked. — J/. ./. B. 



926. Corticium roseum. P. •• Eosy Corticium." 



Effused, adnate, rosy; circumference fringed, whitish ; hyme- 

 nium pruinose, growing pale, at length much cracked and cor- 

 rugated, indurated. — Fr. Epicr.p. b^O. Kl.exs. rzo. 1516. The- 

 lephora rosea, Eng. Fl. v. p. 168. 



On poplar, &c. [Mid. Carolina.] 



p 5 



