177 
INONOTUS RADIATUS (Sowerby) Karst. 649, 653, 669,876. The 
typical form was found on birch and alder, while the variety 
described by Peck in 1873 from Indian Lake as Polyporus 
glomeratus occurred only on maple. 
IRPICIPORUS LACTEUS (Fr.) Murrill. 305, 965. 
IscCHNODERMA FULIGINOSUM (Scop.) Murrill. 403, 5412, 660. 
The usual dark, resinous form occurred on stumps and logs of 
conifers, while the paler, larger form so common on the under 
side of basswood logs was here found about four feet above the 
ground on a dead standing sugar maple trunk in an open field 
PHAEOLUS SISTOTREMOIDES ao b. & Schw.) Murrill. 274. At 
the base of a living lar 
PIPTOPORUS SUBEROSUS ie Murrill. 375. Common on birch 
trunks. 
POLYPORUS ELEGANS (Bull.) Fr. 327, 348. Not common. 
PoLyporus Fissus Berk. 982. Seen only once. This species 
develops much better farther south. 
PoLyporus PoLyporus (Retz.) Murrill. 690, 737, 1077. Com- 
mon on birch sticks and other dead deciduous wood. 
PoRIA ATTENUATA Peck. 64. A resupinate species described 
from Croghan, New York. It occurs throughout the eastern 
United States on deciduous logs and is distinguished by its 
beautiful rosy-isabelline color. 
PORODAEDALEA Pint (Thore) Murrill. 303, 346, 386. Very 
destructive to conifers. 
PYCNOPORUS CINNABARINUS (Jacq.) Karst. 372. Not rare. 
PYROPOLYPORUS IGNIARIUS (L.) Murrill. A very common and 
conspicuous species. 
TYROMYCES ANCEPS (Peck) Murrill. 879. On the south side of 
a balsam fir stump in a field. Described in 1895 from speci- 
mens collected by E. A. Burt on a dead hemlock trunk at 
Stony Brook, Massachusetts. T. Ellistanus Murrill is related, 
but has larger tubes 
Tyromyces balsameus (Peck). Tyromyces crispellus (Peck) Mur- 
rill. 859. Cespitose on coniferous stumps. Described from 
the Adirondacks by Peck in 1878 as Polyporus balsameus, 
and from Osceola, New York, by the same author in 1885, as 
