296 FUNGUS-FLORA. 



variations of colour and stature, difficult to define. In the 

 present species the colour is more constantly rufous. (Fries.) 



Pileus of a beautiful orange, spores spindle-shaped, pale 

 ochraceous, 14-15 X 6 p. (Cooke.) 



In Krombholtz, tab. 32, quoted by Fries under the present 

 species, the colour of the pileus is shown as umber, reddish- 

 brown, rufous, blood-red, orange, and yellow. 



Boletus alutarius. Fr. 



Pileus convex then expanded, soft, velvety becoming 

 glabrous, brownish-tan; tubes short, depressed round the 

 stem, plane, openings round, white, becoming brownish 

 when bruised ; stem solid, almost smooth, bulbous, apex 

 rugulose. 



Boletus alutarius, Fries, Obs. i. p. 115 ; Stev., Brit, Fung., 

 p. 180. 



In woodland pastures. 



Closely allied to Boletus felleus, but readily known by 

 the almost unchangeable flesh and mild taste. (Fries.) 



Boletus porphyrosporus. Fr. 



Pileus 4-6 in. across, convex then expanded, minutely 

 velvety, dark olive or brownish-umber, becoming blackish 

 when bruised, flesh up to 1 in. thick, white, becoming blue 

 near the tubes when cut; tubes ^ f in. long, slightly 

 shortened close to the stem, semiadnate, openings angular, 

 -1 mm. wide, grey, then pale brown, becoming umber 

 when bruised ; stem 4-5 in. long, 1 in. or more thick, equal 

 or usually more or less thicker towards the base, dirty 

 greyish-umber or brownish with ochraceous tinge, minutely 

 punctate; spores brownish-purple, elongato- fusiform, 13-14 

 X 4/x. 



Boletus porphyrosporus, Fries, Bolet., No. 36 ; Fries, Hym. 

 Eur., p. 514; Kalchbr., Icon. Sel. Hym. Hung., p. 51, 

 tab. xxxii. fig. 1. 



In woods and open grassy places under trees. Solitary or 

 in tufts of few individuals. Smell strong, fishy according to 

 Kalchbrenner's idea. A large fine species distinguished at 

 once by the purple spores. Stem curved and ascending at 

 times. 



