OF SOUTH AUSTRALIA. 
195 
290. Boletus sinape-cruentus C’lel. (L., sinape, mustanl-seert ; cruentus, blood- 
red, in reference to the colours of the stem). — Pileus 3 to 5in. (7.5 tO' 12.5 cm.), 
convex, occasionally depressed in the centre, viscid, Mustard Yellow (xvi.) with 
brown patches and finally deep brown (Rood’s Brown, xxvii.) witli yellow-brown 
patches round the edge,' or Bay (ii.) in the centre pjissing to Mustard Yellow 
externally, or Morocco Red to Maroon (i.). Tubes with a sulcus round the stem, 
attenuated inwards, slightly ventricose outwards, 1 to lin. (5 to 25 mm.) deep, 
angular, unecjual, near Mustard Yellow, Colonial Buff to Deep Colonial Buff 
(XXX.), or Honey Yellow (xxx.) approaching Old Gold (xvi.), turning dark 
dingy green especially when bruised, orifices 0.5 to 1 mm. diameter, dissepiments 
thin.' Stem 2 to 3in. (5 to 7.5 cm.), ijin. (1.8 cm.) thick in the middle, 
attenuated downwards and sometimes upwards as well, Deep Colonial Buff (xxx.), 
or Light Cadmium (IV.) to Mustard Yellow, with, a broad band of punctate red 
(near Pompeian Red, xm.) in the middle or at the base. Flesh up to llin. 
(3.7 cm.) thick in tlie pileus, yellowish turning bluish-green and later sometimes 
reddish-brown; flesh of the stem sometimes Primuline Yellow (xvi.) above, 
turning bluish-green in places, sometimes dark red at the base. Spores mummy- 
shape, biwvn, iO.5 to 15 x 4 to 5 /r. South Australia — National Park, Mount 
Lofty, Eagle-on-the-IIill. April, dune. 
The species is characterised by being viscid when moist, by the yellow and 
reddish-brow'n pileus, the mustard yellow tubes, and yellow stem punctate with, 
red below, and by the flesh turning blue in parts. 
291. Boletus multicolor Clel. (L., multus, many; color, colour). — Pileus 2 to 
3in. (5 to 7.5 cm.), convex, surface dull, blotched with olive brown with yellowish 
or reddish-brown areas, in places near Deep Corinthian Red (xxvii.) or vivid 
saffron yellow^ to pallid yellow with tints of red. Hymenial surface convex 
with a sulcus round the stem, tubes } to 5 in. ((i to 12 mm.) deep. Amber 
Yellow (XVI.) or saffron turning greenish-yellow, orifices minute, about 3 in 1 
mm., rounded. Stem 1 to dlin. (2.5 to 11.2 cm.), stout, up to 1-Un. (3.7 cm.) in 
the centre, lin. (2.5 cm.) above, base sometimes attenuated, somewhat granular 
or slightly rugose, yellow to saffron yellow with reddish-brown blotches or dots. 
Flesh yelioiW, becoming reddish (especially where insect eaten) or blue in places. 
Syiores mummy-shape, pale yellow, 9.5 to 'll (occasionally 13), x 2 to 4 /r. South 
Australia — Ba'ngham (S.E.'l Encounter Bay, Mount Comiiass, Second Valley, 
Kinchina. May, June. 
The species is characterised by the non-viscid pileus variously coloured with 
yellow, red and brown, the saffron coloured tubes, the yellow stem with reddish- 
brown blotches, the yellow flesh usually but not alfvays turning blue in places, 
and the pale spores. 
292. Boletus brunnetts Cke. et Mass. I (L., hrunneus, brown). — Pileus 2] to 
(lin. (5.6 to 15 cm.), convex or nearly plane with irregular depressions, dull 
subfibrillose, dirty brown in places near Buffy Brown (XL.) to dark brown. Tubes 
with a slight sulcus round the stem, up to 5in. (,1.8 cm.) deep, pallid yellow 
turning greyish to Buffy Brown, orifices rather small, pentagonal. Stem up to 
2iin. (6.2 cm.), stout, I'lin. (3.7 cm.) thick at the base, rather bulbous, slightly 
fibilllose, becoming dark brown toi blackish bodow, pallid brown to pallid yellowish 
above, root conical. Whole plant becoming dark brown. Flesh up to IJin. 
(3.7 cm.) thick, whitish Viecoming bluish-green in patches with reddish-brown 
areas, finally dark brownish. Spores mummy-shape, slightly brown, 10 to 13 x 
4.2 to 4.5 jj.. South Australia — Kinchina. June, October. 
Characterised by the brown sulifibrillose pilous, the tubes becoming buflfv brown, 
the stout stem becoming dark brown to blackish below and the flesh becoming 
Ifluish-green and reddish-brown in places and finsdly dark brownish. This mq_v 
be /)’. l/runneufi of Cooke and Massee, though the tubes are nc.t free and the 
pores are not “rather large.’’ On the other hand, it may be a form of 
B. fuscesoens Clel. in which the flesh shows bluish-green patches before turning 
dark bromiish. 
293. Boletus fuscescens Clel. (L., fuscesoens, becoming dusky, in allusion to 
the colour of the pileus and the flesh). — Pile*as 21 to 51in. ((1.2 to 13.7 cm.), 
deeply convex, often de])ressed in the centre or rather irregular, soft to the 
touch, smooth or finely velutinate to velutinate-filnilloso, temling sometimes to 
crack into small scales of ad}iresse<l fibrils, probably subviscid when moist, edge 
turned in when young, near Snuff Brown and Bister (xxix.), darker in p)laces, 
or Cinnamon Drab (XLVi.), paler than Fuscous (xlvi.) or Wood Brown (XL.) 
