BOLETI OF THE UNITED STATES I19 
Boletus spadiceus Scu#rr. 
DaTE-BROWN BOLETUS 
Hym. Eur. p. 503. Syl. Fung. Vol. VI, p.15 
Pileus convex or plane, moderately compact, dry, tomen- 
tose, opaque, date-brown, irregularly cracked, flesh white, 
unchangeable, brownish-red above; tubes adnate, yellow, 
their mouths minute, subrotund; stem firm, clavate, even, 
flocculose-fur furaceous, yellow or brownish, yellowish-white 
within; spores .00045 in. long, .ooo16 broad. 
Pileus 2 to 4 in. broad. 
Woods. New England, /yvost. 
This species is admitted on the authority of Mr. Frost 
who alone has recorded it in this country. But specimens 
received from him under this name do not in my opinion 
belong to it, and its occurrence here is somewhat doubtful. 
Boletus radicans Pers. 
RaDICANT BOLETUS 
Hym. Eur. p. 503. Myc. Eur. Vol. 2, p. 134. Syl. Fung. Vol. VI, p. 16. 
Jour. Cin. Soc. Nat. Hist. Vol. VII, p. 6 
Pileus convex, dry, subtomentose, olivaceous-cinereus, 
becoming pale-yellowish, the margin thin, involute, flesh 
pale-yellow, instantly changing to dark blue, taste bitterish; 
tubes adnate, their mouths large, unequal, lemon-yellow; 
stem even, tapering downwards and radicating, flocculose 
with a reddish bloom, pale-yellow, becoming naked and dark 
with a touch. 
Pileus 2 to 3 in. broad; stem 2 in. long, 6 lines thick. 
Woods. Ohio, Morgan. 
Of the American plant Mr. Morgan says, that the pileus 
is quite firm and dry, becomes reddish or brownish-yellow 
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