144 BULLETIN OF THE NEW YORK STATE MUSEUM 
and changes to blue where wounded. The plant apparently 
resembles Boletus aurtflammeus in color, but the absence of 
any pulverulence, the larger size and changeable flesh will 
separate it. The different color and larger spores dis- 
tinguish it from B. frmus. 
Boletus Frostii Russexiu 
Frost’s BoLETUS 
Bull. Buff. Soc. 1874, p. 102 
Piléus convex, polished, shining, d/ood-red, the margin 
thin, flesh scarcely changing to blue; tubes nearly free, 
greenish-yellow, becoming yellowish-brown with age, their 
mouths blood-red or cinnabar; stem equal or tapering up- 
ward, distinctly reticulated, firm, blood-red; spores .c005 to 
.0006 in. long, .o002 broad. 
Pileus 3 to 4 in. broad; stem 2 to 4 in. long, 3 to 6 lines 
thick. 
Grassy places under trees or in thin woods. New Eng- 
land Ai70S7.) News Wotlk weceiens Newal) ekseipueia7) Za. 
This is a highly colored, beautiful Boletus, but it is not 
common. The stem sometimes fades with age, and both it 
and the tubes are apt to lose their color in drying. 
Boletus Sullivantii B. & M. 
SULLIVANT’S BoLeTus 
Syl. Fung. Vol. VI, p. 36 
Pileus hemispherical, glabrous, reddish-tawny or brown, 
brownish when dry, tessellate-rimose; tubes free, convex, 
médium size, angular, longer toward the margin, their 
mouths reddish; stem solid, violaceous at the thickened 
base, red-reticulated at the apex, expanded into the pileus; 
