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B O L E T U S lURiDus.
Red-stemmed Boletus.
Class and Ordeb CRYPTOGAMIA FUNGI, imm._NAT. Obd. FUNGI,
Link, Grev.
GENERIC CHARACTER.
Pileus carnoms, stipite centrali. Hyménium tubulosum a píleo discretum et dis-
tinctum, tubulisque discretis connexis.
Pileus carnose, furnished with a central stipes. Hymenium tubular, of a
distinct substance from the pileus ; the tubes also distinct from, b u t in
contact with each other.
SPECIFIC CHARACTER.
Boletus luridus; pileo puhinato, subtomentoso, oliváceo, dein subviscoso, fulvo-
fuligineo; tubulis subliberis, rotundis, luteis, ore rubro; stipite crasso, reti-
culato, rubro.—F r i e s .
B. pileus very convex, slightly downy, olivaceous, at length somewhat viscid,
dingy fulvous ; tubes nearly free, round, yellow, the orifice red ; stipes
thick, reticulated, red.
Boletus luridus, Schæff. Fung. t. 107-—Pers. Syn. Fung. p. 512.—Alb. el
Sckwein. p. 241— Fries, Syst. Mycol. v. 1. p. 391-—Schwein. Fung. Carol.
No. 868.—Grev. FI. Edin. p. 404.
Boletus rubeolarius. Bull. Champ, p. 326. t. 100. 490. f. 1.—Pers. Syn.
Fung. p. 512— Sow. Fung. t. 250.—He Cand. FI. Franç. ed. 3. v. 2. p. 123.
excl syn. Schæff. t. 105, 106.—Ejusd. Syn. p. 25.— With. Bot. Arr. ed. 6.
v. 4. p. 379.—Belli. FI. Cantab, ed. 3. p. 545,—Purt. Midi. FI. v. 2. p. 662.
B o l e t u s bovinus. Bolt. Fung. t. 85.
B o l e t u s tuberosus, Schum. Soell. p. 377-
H ab. In woods and shady places, very frequent. Autumn.
Plant large and robust. Pileus 3 -6 inches broad, convex, thick, subtomentose,
olivaceous, becoming darker and dingy in age, very juicy. Flesh
yellowish, when cut or broken changing instantly to a blue colour.
Tubes of the hymenium scarcely in contact with the stipes, ¿ - f of an inch
long, yellow, roundish, the orifice minute, and of a fine red. Stipes 2-5
inches high, mostly very thick, and much incrassated towards the base,
solid, yellow above, red below, and generally more or less reticulated
with red veins. Sporules greenish-brown.
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