126 BULLETIN OF THE NEW YORK STATE MUSEUM 
out and within: spores oblong, ochraceous-brown, .00045 to 
.00055 in. long, .00016 to .0002 broad. 
Pileus 2 to 5 in. broad; stem 2 to 4 in. long, 4 to Glimests 
thick. 
Thin woods and open places. New York, Peck. 
The color of the tubes becomes darker with age, but it 
does not change to blue where wounded. The species is re- 
lated to the next following one with which it has sometimes 
been confused, but from which it is clearly distinct. The 
color of the spores is quite dark and approaches snuff-brown. 
Boletus retipes B. & C. 
RETICULATE-STEMMED BOLETUS 
Grevillea, Vol. I, p. 36 
Pileus convex, dry, powdered with yellow, sometimes rivu- 
lose or rimose-areolate; tubes adnate, yellow ; stem sub- 
equal, cespztose, reticulate to the base, pulverulent below, 
spores preentsh-ochraceous, .00045 to .0006 in. long, .o0016 
to .0002 broad. 
Pileus 1.5 to)2 in. broad stem 2 in. long, 3) to) omlines 
thick. | 
Grassy woods. North Carolina, Curtes. Ohio, Morgan. 
Wisconsin, Bundy. New England, Frost. 
The tufted mode of growth, pulverulent pileus and paler 
colored spores separate this species from the preceding one. 
Boletus pachypus Fr. 
THICK-STEMMED BOLETUS 
Hym. Eur. p. 506. Syl. Fung. Vol. VI, p. 34 
Pileus convex, subtomentose, brownish or pale tan color, 
flesh thick, whitish, changing slightly to blue; tubes rather 
