190 
THE LARGER FUNGI 
Tubes old gold. Pileus viscid, dark- 
brown. Stem dark sooty brown . . . . 286. 1>. fuscus. 
Stem not reticulated. 
Tubes yellow, orifices crimson. 
Pileus maroon to vinaceous buffy 
brown, not viscid. Stem yellow 
punctate with red. Flesh some- 
times turning blue 287. B. erythropus. 
Tubes yellow, orifices not red. 
Pileus viscid. 
Near Finns. Pileus brown. 
Tubes mustard yellow to old 
gold. Stem pale yellow, 
punctate 288. B. granulatus. 
Not under Finns. Pileus brown. 
Tubes dingy yellow to buffy 
citrine and olive. Stem punc- 
tate brown 289. B. punctato- 
Vrunneus. 
Pileus yellow and reddish-brown. 
Tubes mustard yellow. Stem 
yellow punctate with red. 
Flesh turning blue 290. B. sinape-crnentus. 
Pileus not viscid. 
Pileus blotclied with red, red- 
dish brown and yellow. Tubes 
yellow. Stem yellow with 
reddish-brown blotches. Flesh 
yellow, sometimes blue . . . . 291. B. multicolor. 
Tubes buffy-brown to dark olive-buff. 
Pileus subfibrillose, often cracking, 
buft'y-brown. Stem dark brown, 
sometimes yellowish above. Flesh 
bluisli becoming dark brown . . . . 292. B. hrunneus. 
Pileus smooth or finely velutinate, 
brown. Stem finally punctate 
dark-brown. Flesh turning dark- 
brown, without any blue 293. B. fusoescens. 
Tubes dingy flesh colour to cinnamon drab. 
Pileus viscid, yellowish-brown to 
Mars brown. Stem near chestnut. 
Flesh soft. Spores 17 to 18.7 x 
5 p 294. B. mollis. 
282. Boletus luteiis (L.) Fr. (L., luteus, yellow). — Pileus up to 6in. (15 cm.), 
convex, glutinous to viscid, often ^vith attached leaves, the gluten when very wet 
presenting a mouldy appearance coveiing the soft yellowish-brown surface which 
lias much the colour and appearance of a yeast bun, cuticle peeling. Tubes 
adnate or with a slight sulcus round the stem, gin. (10 mm.) deep, orifices small, 
polygonal, pale yellow then near old gold. Stem up to 41in. (11 cm.), lin. 
(2.5 cm.) thick, solid, punctate with small granules, pallid yellowish. Ring 
nearly median, ample, membranous, collapsing rouml tlie stem, yellowish. Flesh 
soft, tasteless, with a slight yellowish tinge near tlie tubes, slightlv reddish in 
the stem. Spores mummy-shaj)e, brownish, 8 to 10 x 3.5 p. Gregarious or sub- 
caespitose, always under or near species of Finns. South Australia — Mount 
Lofty, Upper Sturt, Kuitpo, Mount Compass, Mount Pleasant, Kalanga<loo, 
Mount Gambler and Mount Bun- State Forests. May, dune. (Figure 38.) 
283. Boletus portentosus Berk, et Br. (L., portentosus, portentous). — Pileus 
11 to 15in. (27.5 to 37.5 cm.) or even 24 x 18 Jin. (60 x 46.2 cm.), convex to 
nearly plane, sometimes with the centre a little depressed, finely tonientose or 
