98 NOTICES OF NORTH AMERICAN FUNGI. 



these in size, resupinate, with the margin reflected, and others 

 nearly an inch across, also resupinate. 



* Hydnum (Resupinatum) fusco-atrum. Fr.— No. 2422. Car. 

 Inf. No. 2723. Car. Inf. on Magnolia glauca. 



-178. Hydnum (Resupinatum) subvelutinum.— B. $ £.— Resupi- 

 natum, breviter reflexum subvelutinum ferrugineum, aculeis com- 

 pressis apice pallidioribus subvelutinis. No. 6012. Penns., 

 Michener. 



Ferruginous. Some inches in breadth, resupinate, with one edge 

 slightly reflected and somewhat velvety ; prickles compressed, 

 sometimes compound, paler at the tip, more or less velvety. 



* Hydnum (Resupinatum) membxanaceum. Bull. — No. 2025, 

 2185. No. 2924. Car. Inf. No. 935. Ravenel. 



* Hydnum (Resupinatum) ferruginosum. Fr. — No. 2105, 

 2414. Car, Inf. 3950. Penns., Michener. 4861. Alabama, Beau- 

 mont. 



- 179. Hydnum (Resupinatum) amplissimum. B. § C— Crassum 

 suberosum, effusum, intus pallidum fibrosum ; aculeis subulatis 

 acutis runs. No. 5323. No. 5383. 

 New Eng., Sprague. On Cerasus. 



Effused for several inches, irregular, \ an inch or more thick, of 

 a firm corky substance, but fibrous when torn across ; prickles elon- 

 gated, subulate, acute, rufous. 



— 180. Hydnum (Resupinatum) xanthum. B. <t C. — Totum re- 

 supinatum tenue margine e subtiliter tomentoso ceraceo, aculeis 

 xanthis sparsis compressis subdivisis ceraceis. No. 2266, 4445. 

 Car. Inf. On Castaneavesca. 



Two or three inches across, at first orbicular, white and delicately 

 tomentose, then waxy; prickles lemon-coloured, scattered, com- 

 pressed, often compound, tips, when perfect, white and tomentose. 

 -181. Hydnum (Resupinatum) Halei. B. Sf C— Tenue crustosum, 

 aculeis brevissimis flavis demum obtusatis. No. 3657, 3666. Louis- 

 iana, Dr. Hale. On Liriodendron. 



One inch or more across, thin, crust-like, with sometimes a very 

 thin pale margin ; prickles short, yellow, at length obtuse. Like 

 many resupinate species difficult of definition, though distinct. H. 

 armeniacum, B. & Rav. No. 1296, is apparently a younger state of 

 the same species in which the subiculum is more evident. 

 — 182. Hydnum (Resupinatum) chrysellum. B. 4' C. — Totum re- 

 supinatum hie illic interruptum subiculo candido ; aculeis elongatis 

 flavis acutis. No. 3649. Louisiana, Dr. Hale. 



About an inch across, entirely resupinate, interrupted by the white 

 substratum ; prickles elongated, acute, yellow. Allied to the last. 

 —183. Hydnum (Resupinatum) chxysodon. B. $ C— Totum re- 

 supinatum tenue subiculo e fibrilloso ceraceo ; aculeis paucis parcis 

 elongatis acutis flavis. No. 2511. Car. Inf. On oak chips. 



