BOLETI OF THE UNITED STATES 149 
Var. aurantiacus. Pileus orange or orange-red. 
These appear to connect this species and B. verszpelles. 
Var. alutaceus. Pileus yellowish tan color. 
Var. fulegeneus. FPileus fuliginous or cinereous-fuliginous. 
Var. fuscus. Pileus brown or dark-brown. 
Var. olzvaceus. Pileus olivaceous. 
Var. zzveus. Pileus white, when old sometimes stained 
with blue or livid-blue. 
To these might be added 
Var. areolatus. Pileus rimose-areolate. 
Var. mutabilis. Flesh changing slightly to brown or 
pinkish where wounded. 
Var. gracelipes. Stem very slender, 2 to 3 inches long, 2 
to 3 lines thick; pileus thin, translucent when held toward 
the light. 
This Boletus is classed among the edible species, but it is 
said to be less agreeable than B. eduls. 
Boletus albellus Px. 
WuitTisH BoLeTtus. 
Rep. 41, p. 77 
Pileus convex or gibbous, soft, glabrous, whitish, flesh 
white, unchangeable; tubes convex, free or nearly so, small, 
subrotund, whitish, unchangeable; stem glabrous or minutely 
furfuraceous, substriate, bulbous or thickened at the base, 
whitish; spores brownish-ochraceous, .00055 to .00065 in. 
long, .0002 to .00025 broad. 
Pileus 1 to 2 in. broad; stem 1 to 2 in. long, 3 to 6 lines 
thick. 
Woods. New York, Pec. 
This is closely related to B. scader, of which it may possi- 
bly prove to be a dwarf form; but it is easily distinguished 
by its smooth or only slightly scurfy and subbulbous stem. 
