AUSTRALIAN FUNGI. 
107 
560. Boletus edulis. Bull. Fr. Hym. Eur. 508. Sacc. 
Syll. 4748. 
Pileus pulvinate, smooth, moist, brownish (5-25 c.m. broad) 
stem stout, reticulated, pallid brownish (5-13 c.m. x 5 c.m.) ; tubes 
nearly free, elongated, minute, at first white, then yellow or 
greenish; spores fusoid, oblong, straight, yellow (14-16 X 4^-5 /a). 
In woods. Edible. Queensland. 
561. Boletus sereus. Bull. Champ, t. 321. Sacc. Syll. 4749. 
=B. asneus, Fr. Epic. 
Pileus pulvinate, smooth, olive brown, turning blackish (7-9 c.m. 
broad), stem stout, somewhat reticulated, yellowish, with a brownish 
base; tubes minute, nearly free, sulphur yellow; spores oblong, 
oblique at the base, 10-13 X 5 p. 
In woods. Edible. Queensland. 
562. Boletus aestivalis. Fr. Hym. Eur. 510. Sverig. Svam. 
t. 43. Sacc. Syll. 4755. 
Pileus pulvinate, subrepand, even, smooth, whitish, granulose 
when dry ; stem very thick, bulbous, even, smooth, yellowish ; 
tubes nearly free; pores equal, minute, yellow. Taste mild. 
Spores 12 X 4-5 p, brownish. Flesh white above, yellow below, 
reddish at base of the stem. 
In woods Edible. Queensland. 
563. Boletus portentosus. B. Sf Br. Ceyl. Fun . 435. Sacc. 
Syll. 4756. 
Very large. Pileus depressed in the centre ; flesh lemon yellow, 
unchangeable, lurid beneath the cuticle (20 c.m. or more) ; stem 
thick, dilated at the base, rooting (9x5 c.m.) ; tubes lemon 
yellow. 
On the ground. Victoria. 
564. Boletus infractus. Fr. PI. Preiss. 134. Sacc. Syll. 
4760. 
Pileus pulvinate, repand, smooth, purple; margin much broken ; 
stem very short, tuberous, floccose above ; pores adnate, short, 
minute, equal, sulphur coloured. 
On the ground. W. Australia. 
565. Boletus csesarius. Fr. PI. Preiss. 134. Sacc. Syll. 
4761. 
Pileus fleshy, convexo-plane, even, discoid, blood-red or purple ; 
stem stout, equal, sulphur coloured, striaiely variegated, with short 
rosy pits ; tubes elongated, rounded, yellow, the mouths oblique^ 
In sandy soil. W. Australia. 
f. Luridi. Stratum of tubes rounded and free about the stem ;■ 
pores at the first closed and red; pileus compact , then soft, 
pulvinate ; flesh , juicy, changeable ; stem stout, at first short 
