ZZ BULLETIN OF THE NEW YORK STATE MUSEUM 
7 \ 
pitted with long, narrow depressions, yellow, red in the 
depresstons, colored within like the flesh of the pileus; 
spores olive-brown, .0007 to .0009 in. long, about half as 
broad. 
Pileus 1.5 to 2.5 in. broad; stem. 2/40 510) long eaona 
lines thick. | 
Rocky hillsides in woods of deciduous trees. Kentucky, 
Morgan. 
In wet weather the anastomosing ridges of the stem swell 
and become broadly winged, thereby giving the stem a 
peculiar lacerated appearance. The glabrous viscid pileus 
and the coloration of the stem distinguish the species. 
Boletus Betula Scuw. 
Brrcu BoLetus 
Syn. Fung. Car. 860 
Pileus convex, viscose and shining in wet weather, tes- 
sellately rimose and reticulated, orange fawn color, rather 
small, flesh yellowish-white ; tubes separating, rather large, 
yellow, almost like those uf B. sudtomentosus but not green- 
zsh, stem long, attenuated downward, everywhere covered 
with a deciduous reticulated bark two lines high and sepa- 
rating like the bark of birches, pale-yellow wzthout and 
wethin. 
Pileus 1.5 in. broad; stem 5 to 6 in. long. 
Ligneous earth. North Carolina, Schwezcnztz, Curtzes. 
Pennsylvania, Schweznz¢z. 
According to the description, this species differs from ZB. 
Morganz in its tessellately rimose pileus, in the absence of 
greenish hues from the tubes and in its stem which is nar- 
rowed downward and of a uniform pale-yellow color. It is. 
not impossible that Schweinitz included both the preceding 
in his species, inasmuch as he says it was “frequent ;” and 
