180 NOTICES OF NORTH AMERICAN FUNGI. 



On oak. Running over very rough wood, on which it forms an 

 irregular stratum of a deep rufous tint, with a rhubarb-coloured 

 velvety aspect. 



* Corticium calceum. Fr.— Rav. Fasc. iv., 15. No. 2312. Car. 

 Inf. No. 3914. Texas, C. Wright. No. 4263. Penns., Michener. 

 On Vine. Rav. No. 1817. Car. Inf. On pine logs. No. 1797. 

 On Leucothoe coriacea* 



270. Corticium hepaticum. B.&C. — Latissime effusuni ; margine 

 hie illic reflexo tenui subtus albido; hymenio continuo hepatico. 

 No. 5989. Penns., Michener. On ash. 



Very widely effused, running over the rough wood, and surround- 

 ing any projecting point; edge thin, white beneath, here and there 

 free ; hymenium liver-coloured, with somewhat the aspect of that of 

 C. viscosum or C. lividum when dry. 



271. Corticium tremellinum. B. &Rav. — Tremelloideum albidum, 

 siccum rufescens ambiens. Rav. No. 1649. Car. Inf. 1754. Cotoosa 

 Springs, Georgia. No. 6393. Wisconsin, Lapham. 



On the ground running over whatever it meets with. Dirty- 

 white gelatinous tremelloid ; rufous, hard and horny when dry. 



272. Var. reticulatum.— Fuciforme fasciculatum reticulatum. 

 No. 3942. Penns., Michener. 



Imitating in form Podisoma macropus, forming erect fucoid tufts, 

 reticulated below. 



273. Corticium cremoricolor. B. § C— Mycelio albo innato ; 

 hymenio immarginato rimoso areolato, hie illic papillato. No. 5205. 

 Alabama, Peters. On Ilex. 



Mycelium white innate ; hymenium cream-coloured when fresh, 

 soon cracked into largish areola?, here and there papillose. 



274. Corticium lilacino-fuscum. B. & C— Effuseum ; margine 

 angusto albo ; hymenio lilacino fusco demum rimoso. No. 5610. 

 C. Wright, Connect. 



On smooth wood, over which it forms a thin stratum, with a 

 narrow white border arising from the subiculum ; hymenium lilac, 

 tinged with brown, at first even and paler, then cracked, shewing 

 the white subiculum. No. 5608. Conn., C. Wright. Appears to 

 be a form of the same species, Corticium pauperculum, B. & C. 



275. Corticium molle. B. '$. C— Linn. Soc. Journ., p. 336. Rav. 

 Fasc. iii., 29. Effusum immarginatum armeniaco-rufum ; subiculo 

 pallidiore ; hymenio glaberrimo nitido. No. 2718, 2936. Car. Inf. 

 4869. On Vine. 5089. Alabama, Beaumont, No. 5186. Alabama, 

 Peters. Also Cuba. 



Subiculum pale, sometimes byssoid, rarely extending beyond the 

 hymenium, which is very smooth, and even varying from apricot 

 colour to deep rufous. 



