104 
HYMENOMYCETES 
BOLETUS 
(Gr. bolos, a clod—from the clod-like pileus) 
B. luteus ( luteus , yellow—the colour of the tubes). Plate 
VII. io. 
P. 3-4 in., at first covered with a thick purplish gluten, 
which soon vanishes, leaving it paler. F. thick, whitish. 
T. about \ in. long, adnate, openings roundish, yellow, tinged 
with cinnamon when old. S. 3-4 in., stout, yellow and 
glandular above the ring, whitish below. R. large, mem¬ 
branaceous, persistent, whitish, sometimes tinged pink. 
Very common in pine woods in sum . and ant.; at once recog¬ 
nised by the very glutinous brown pileus and the ample 
ring. 
B. elegans (from its elegant shape). Plate XXXIV. 8. 
P. 2-4 in., tawny-golden or clear yellow. F. thick, pale 
yellow. T. slightly decurrent, £ in. long ; openings uniformly 
minute, deep sulphur-yellow. S. 3-4 in., stout, golden-yellow ; 
dotted above the ring; streaked or stained with red below it. 
R. whitish, imperfect, fugacious. Common in sum. and aut . 
in fir woods, especially under larches. 
B. flavus {flavus , light yellow) is chiefly distinguished from 
the preceding by the abruptly adnate tubes, large angular 
pores, and the reticulations on the stem above the mem¬ 
branaceous ring. 
B. chrysenteron (Gr. chvusos, gold; entera, inward parts— 
from the golden-yellow colour of the flesh), “ Red-crack 
Bolet.” Plate XXXIV. 4. 
P. 2-4 in., almost plane at maturity, at first covered with 
a dense brownish-olive tomentum, which eventually cracks 
into polygons ; cracks red. F. rather thin, pale yellow, red 
just beneath the tomentum, changing slightly to blue. T. 
up to in. long, subadnate, dull yellow, blue when bruised ; 
openings angular, largest near the stem. 5 . 2-3 in., stout, 
rigid, very firm, fibroso-striate, yellow, more or less tinged 
