BOLETUS SULPHUREUS. SULPHUR-COLOURED
BOLETUS.
, uuugiuc xuuaio, pons parvis orevibus tlavescentibus.
BOLETUS ■ ■ ■ Bulliard Champ, p . 347. t. 429. Decani. FI. Fr. ed. 3. ml. 2. p. 120. FI wmswam 133. m t h .B o t .A r r .e d .A .m l .i .p .s L Purtm Midi. FI. ml. 2 .p . 671. Hook. FI. Scot. P . I I . p . 8. . 1 99
BOLETUS caudicinus. Schaffer Fung. t. 131 & isg .
BOLETUS citrinus. Pers. Syn. Fung. p . 524.
BOLETUS tenax. Lig h tf. Scot. p. 1031..
BOLETUS coriaceus. Huds. Angl. p . 25.
BOLETUS ramosus. Bull. Champ, t. 418.
Class a n d Order. CBYPTOGAMIA FU N G I.
[N atural Order. FU N G I, Juss., Decand., Hook.]
Gen . Char. Pileus varius. Tubuli et pori teretes, intesri, distinct!.
Gen . Char. Pileus varying in its form.
F ungus magnus, crassus, aggregatus, imbricatus, om-
nino sessilis; substantia carnoso-suberosa: ad
truncos quercinos innascitur.
Pileus subrotundatus, convexus, undulatus, sulphureus,
demum fusco-rubescens, glaber, margine insigni-
ter lobatus, lobis non raro iterum divisis, etiam
subramosis.
Caro crassa, alba.
Pori numerosi, breves, rotundati vel angulati, faciem inferiorem
et nonnunquam superiorem omnino te-
gentes.
Tubes and pores rounded, entire, distinct.
Fungus large, thick, clustered, imbricated, altogether
sessile; its substance between fleshy and corky,
growing from the trunks of oak trees.
Pileus somewhat round, convex, undulated, sulphur-
coloured, becoming afterwards o f a brownish red,
smooth, extremely lobed at the margin, the lobes
not unfrequently divided so as to appear branched.
Flesh thick, white.
Pores numerous, short, round or angular, covering
equally the under and upper surface.
I 9 giVe11 thK beautiM< thought not uncommon, species of Bolelm,
■" .re“unett the one by «Inch it is known to most botanists, and which is, at the same time the most exnres
e„f G " to t 'S Z f t fB tmt •1S 11111 § thf most delicnte sulphur colour. There can, I should think,
ceive , W a'e. p!leus h“0?16? of ? ■"« tawny hue; and it is said, although Icould not per-
Tu , H R • ’ T f Jf P‘leur5 b“n§ scratched or broken, the part so injured becomes of a deep red colour
near Loch S Z d n*en„rey, 1 Esq‘ I the month “fJ™e 1821, growing on die — i
SowerbvtelUuTEhat^he^rf^ F T *01 on e™tyPart of the surface, the upper a! well as the under; and
M M lB a ,, Ml thatj"hen tta.s ls ”ot the cose. they are only evident on the under part,—if the funis be
sidl h h° P™ downwards> the P°res m11 soon be produced on the surface of it, dually with tliemder
employed™ t“nde°r. ^ informS that °” tlle contilrent this species is not unfrequenlly reduced to powder and