1 6 Ciminiuxti Society of Natural History. 



becoming i)allul ; the border byssine. Teeth arising from a porous 

 base, compressed, unequal, incised, oblique. 



Upon the I^ark of various trees, rare. Svibiculum thin, closely 

 adnate, at first porose, but the dissepiments then dentate; at length 

 the teeth become altogether Hydnoid. 



Genus III. — Radulum, Fr. 

 Hymeniuni amphigenous, tiiberculose ; tubercles rude, de- 

 formed, commonly elongated, obtuse, waxy, discrete, with no reg- 

 ular arrangement. 



1. R PALLIDUM, B. and C. At first orbicular, then confluent 

 and effused, with a narrow refiexed tomentose margin, pallitl. 

 Tubercles terete, short, deformed, scattered or sometimes collected 

 in lines or groups. 



On the smooth bark of branches of Oak, Hickory ,etc. The upper 

 reflexed margin is usually very narrow but soinetirnes it projects as 

 much as a quarter of an inch; on the lower side there is commonly 

 a fimbriate border, through sometimes it is reflexed also. 



2. R. ORKicuLARE, Fr. /;/ atttumn, orbicular, confluent, 

 white then yellowish, the border byssine ; tubercles elongated, 

 nearly terete, scattered or fasciculate. /// spring, waxy, glab- 

 rous flesh color ; tubercles softer and shorter as if worn off. 



On dead trunks and branches of Carpinus. Eff'used, often 

 for several feet, in a thick waxy stratum, presenting various inqua'- 

 ities of surface in the shape of warts, granules, tubercles, etc. It 

 is scarcely typical on this matrix, but then Fries says of this species 

 that of all resiq^nate fungi it is the most variable in form. 



3. R. MoLAKE, Pers. Widely effused, crustaceous, glabrous, 

 pale wood color, becoming a little yellowish. Tubercles deformed, 

 short, conic, glabrous, scattered or confluent in groups. 



On old trunks of Elm, Hickory, etc. Effused for several feet 

 in a thick waxy stratum, which, when dry is hard and crustaceous, 

 the color is alutaceous or j^ale ochraceous. 



(ienus IV. — Phi^ebia, Fr. 



Hymenium inferior or amphigenous, soft, waxy, glabrous, 

 contiguous, from the first raised into wi inkles and crests, the 

 wrinkles crowded, interrupted, persistent, the edge entire. 



I. P. PiLEA'iA, Peck. Pilei coriaceous, effusoreflexed, zon- 

 ate, subtomentose, purplish-brown. Hjmenium brownish, stained 

 with red or orange, the folds crowded and radiating. 



