138 
thick, regular, smooth, pallid, blunt, at first stuffed, then hollow ; spores 
globose, 8/j. in diameter. Taste acrid. Iu woods near Baltimore. June 
and July.”—Ban. 
IY. HETEROPIIYLL^E. 
18. U B. YESCA, Fr., Hym. Eur., p. 446; Stev., B. F., p. 122; Sacc. 
Syll., Vol. Y, p. 465. Pileus red-flesh color, disc darker , fleshy, slightly 
firm, piano-depressed, slightly wrinkled with veins , with a viscid pellicle, 
margin at length spreading; flesh cheesy, firm, shining white. Stem 
solid , compact, externally rigid, reticulated and ivrinlded iu a peculiar 
manner, often attenuated at the base, shining white. Gills adnate, 
crowded, thin, shining white, with many unequal and forked ones inter¬ 
mixed. but scarcely connected by veins. Of middle stature. Taste 
mild, pleasant. In mixed woods. Frequent. September to October. 
Name, vesco , to feed. From its edible qualities. (Fr., Monogr., ii, p. 
193; Sv. alt. Sv.< t. 63; Berk. Out., p. 211; 0. Hbk., n. G25; S. Mycol. 
Scot., n. 596; Hussey, i, t. 89.)”—Stevenson. 
An edible species of fine flavor. Its peculiarly reticulated stem will 
assist in separating it from the noxious R. rubra which resembles i£ iu 
the color of the pileus. California, Harkness & Moore. 
19. a B. cyanoxantha, (Schseff.) Fr., Hym. Eur., p. 446; Stev., B. 
F., p. 122; Sacc. Syll., Yol. Y, p. 465. Pileus 2-3 inches. (5-7.5 centi¬ 
meters) and more broad, lilac or purplish, then olivaceous-green, disc com¬ 
monly becoming pale, often yellowish ; margin commonly azure-blue or 
livid purple, compact, convex, then plane, then depressed or infundibuli- 
form, sometimes even, sometimes wrinkled or streaked, viscous, mar¬ 
gin deflexed, then expanded, remotely and slightly striate; flesh firm, 
cheesy, white, commonly reddish beneath the separable pellicle. Stem 
2-3 inches (5-7.5 centimeters) long, as much as 1 inch (2.5 centimeters) 
thick, spongy-stuffed , but firm, often cavernous within when old; equal, 
smooth, even, shining white. Gills rounded behind, connected by veins, 
not much crowded, broad, forked with shorter ones intermixed, shining 
white. 
u Allied to R. vesea in its mild , pleasant taste, and iu other respects, 
but constantly different in the color of the pileus, which is very varia¬ 
ble, whereas in B. vesca it is unchangeable. The peculiar combination 
of colors in the pileus, though very variable, always readily distinguishes 
In woods, etc. Common. August to October. Sometimes con¬ 
siderably larger than Fries describes. Name, xbavos, blue; ^av06^, yel¬ 
low. From the colors. (Fr., Monogr., ii, p. 194; B. and Br., n. 1131; 
O. Hbk., u. 626; S. Mycol. Scot., n. 597; Ag. Schoeff., tf t. 93; Kroinbk., 
t. 67, f. 16-19; Paul., t. 76, f. 1-3.)”—Stevenson. 
u One of the best esculent species. Spores 8-10 by 6-8//.” Sacc. 
Syll. “Intrinsically a margin with a rosy tone, more or less sobered 
with purple, a pale disk and between the two a dark zone of dull in- 
definable mixture of neutral green with purple, is the type, and the in¬ 
finite variety is made up not of any change of colors, but simply of 
