100 NOTICES OF NORTH AMERICAN FUNGI. 



* Hydnum (Resupinatum) alutaceum. P.— No. 563. Car. Sup. 

 1143. Car. Inf. (1531, Rav.) No. 3928, 6019. Penns., Michener. 

 No. 4724. Car. Inf. No. 5599. Connect., C. Wright. 



- 187. Hydnum (Resupinatum) velatum. B. $ C— Subiculo to- 

 mentoso, albo demum aculeos ceraceos brevibus subfasciculatis 

 obducente. No. 2393. Car. Inf. On pine. 



Subiculum white, tonientose, soon running over the short waxy 

 prickles, which are sometimes fasciculate. 



„ 188. Hydnum (Resupinatum) nudum. B. & C— Subiculo fere 

 nullo, vel tenuissimo, farinaceo ; aculeis sparsis ceraceis subulatis. 

 No. 2220, 2407, 4489, 4823. Car. Inf. 6221. Wisconsin, Lapham. 

 On Polypori, Patellaria applanata, or on pine wood. 



Subiculum almost obsolete, or extremely thin and farinaceous ; 

 prickles waxy, scattered, subulate, acute, easily coalescing. 



* Hydnum (Resupinatum) plumosum. Bubxj. — No. 5712. New 

 Eng., Murray. 6047. Car. Inf. 



- 189. Hydnum (Resupinatum) caryophy Ileum. B. S>- C— Totum 

 resupinatum pulveraceum ; aculeis in fasiculos subdigitatos con- 

 natis. No. 2330. Car. Inf. (1362. Rav.; 



Entirely resupinate, white, becoming dingy and somewhat umber 

 when old, pulverulent ; prickles joined into distinct, somewhat 

 digitate, flat, petal-shaped bundles. 



- 190. Hydnum (Resupinatum) fragilissimum. B. & C— Fragile, 

 subiculo byssoideo, hie illic fibrilloso-repente ; hymenio ceraceo 

 aculeis brevibus subulatis. No. 2608. Car. Inf. 



Extremely brittle when dry ; subiculum white, byssoid, with a 

 few creeping fibres ; hymenium waxy ; prickles short, distinct. 



- 191. Hydnum (Resupinatum) Nyssae. B. # C. — Subiculo eximie 

 pulveruiento ; aculeis elongatis subulatis acutis quandoque apice 

 fimbriatis. No. 3716, Car. Inf. 4362. Penns., Michener. 



Subiculum copious, pulverulent ; prickles elongated, subulate, 

 acute, sometimes pencilled at the tip. Whole plant dry, of a dull 

 buff. 



- 192. Hydnum (Resupinatum) parasitans. B. $ C— Parasiticus, 

 aculeis brevibus compressis obtusis. No. 6113. Alabama, Peters. 

 On Ulmus Americana. 



Parasitic on the teeth of some Hydnum ; subiculum obsolete ; 

 prickles short, compressed, obtuse. 



~ 193. Hydnum (Resupinatum) setulosum. B. $ C. — Subiculo can- 

 dido lacteo membranaceo ; aculeis flexuosis subulatis acutis subtiliter 

 sutuloris. No. 6086. Alabama, Peters. On Liquidambar. 



Subiculum membranaceous, white, forming a broad border to 

 the hymenium, which is quite confined to the centre; prickles" 

 waved, subulate, minutely setulose under a lens. A very distinct 

 species. 



