208 



Cincinnati Society of Natural History. 



The mass behind is sometimes perforated b} T the larva of some insect, 

 which makes large channels through it. Very flagrant when fresh ; 

 odor a combination of pine apple and strawberry very perceptible, at a 

 distance of twenty yards from the tree. The specimen on hickory was 

 of a tine ochre red, and the hymenium purplish. Allied to Polyporus 

 graveolens, Schwein., which grows on oak. The pilei in that species 

 are spathulate, the pores invisible to the naked eye, and the substance 

 very hard. 



Polyporus niger, n. sp. — On rotten trunks. Cincinnati, March 14, 

 1842. 



Resupinatus, crassiusculus ; pileo vix ullo ; hymenio nigro ; poris 

 minimis punetiformibus, intus umbrinis ; dissepimentis tenuibus. — 

 Berk, in Lond. Journ. Botany, vol. iv., p. 104. 



Elongated, altogether resupinate, except at the very edge, where it 

 is slightly raised, dark brown, and pubescent ; substance, where it is 

 not quite obsolete, dark brown; hymeium black; pores very minute, 

 punctiform, two lines deep; edge veiy minuteh r tomentose with black 

 down, umber within ; dissepiments thin. Nearly allied to P. tephro- 

 porus (formerly P. Surinamensis, Mont.), with which it agree in 

 many respects. The hymenium, however, is jet black, instead of 

 cinereous, and the inside of the tubes is umber. Like it, it is slightly 

 raised at the edge, and the substance and exposed portion of the pileus 

 are dark brown. The dissepiments also in Dr. Montagne's fungus are 

 thicker. 



Polyporcs ojbliquus, Fr. — Waynesville, August, 1844.* 



Trametes lactea, Berk. — On dead trunks. Cincinnati. 



Pileo laterali, duro, suberoso, explanato, dealbato, glabro; contextu 

 albo; stipite brevissimo disciformi; hymenio albido; poris parvis, 

 subrotundis, acie obtusa. T. incana. — Berk, in Hook. Lond. Journ., 

 vol. iv., p. 305. 



Pileus eight inches broad, four and a half inches long, attached by a 

 very short, lateral, disciform stem, flabelliform, smooth, opaque white, 

 zoneless, or with a few obscure depressions and short radiating 

 grooves; substance hard, corky, white, one and a half inches thick, 

 margin subacute; hymenium even of a very pale ochre; pores small, 

 one hundred and sixtieth of an inch in diameter, mostlj T roundish, here 



= :: On a dead limb of Ostrya Virginica, throwing off the bark exactly as in Corticium 



comedcns. 



