278 FUNGUS-FLORA. 



tinge of olive or tlackish-brown, flesh thick, white, assuming 

 a yellowish tinge when broken ; tubes almost free from the 

 stem, about | in. long, openings minute, rounded, sulphur- 

 coloured ; stem 3-4 in. long, 1 in. or more thick, yellowish, 

 brownish towards the base, or sometimes entirely pale brown, 

 somewhat reticulated, solid; spores oblong fusiform, 12-14 x 

 5 fx. 



Boletus acreus, Bull., Champ., p. 321 ; Stev., Brit. Fung., 

 p. 176. 



On woods. Distinguished by the very dark brown or 

 blackish pileus and the short sulphur-coloured tubes. The 

 stem sometimes shows no trace of reticulations. According 

 to Krombholz the fungus much exceeds the dimensions given 

 above. 



Boletus camosus. Rostk. 



Pileus 4 in. across, convex, glabrous, bay-brown, flesh 

 thick, pale yellow; tubes shortened close to the stem, partly 

 adnate, aljout J, in. long, openings rather large, angular, yel- 

 low ; stem 2^ in. long, tirm, snbequal, yellow and more or 

 less streaked with reddish-brown, substriate, solid. 



Boletus camosus, Kostkovius in Sturm's Deutschl. FL, 

 Pilze, p. 63, t. 14 ; Fries, Hym. Eur., p. 520. 



In woods. Included by Fries amongst species of doubtful 

 affinity, but the figure given by Kostkovius is very good, as 

 is also his diagnosis, and the fact of a fungus having been 

 found in England by the late M. J. Berkeley, agreeing with 

 the above, justifies the assumption that it is a good species. 



*** Pileus viscid ivhen moist, ring absent. 



Boletus badius. Linn. 

 Pileus ;i-5 in. across, slightly convex, rather viscid and 

 minutely tomentoso wjien young, soon becoming dry and 

 smooth, bay-brown, flesh , thick, white, slightly tinged blue 

 near the pores when cut; tubes about ?^ in. long, slightly de- 

 pressed round the stem but not free, yellow then yellowish- 

 green, becoming green Avlien bruised, openings subrotund, 

 irregular, here and there compound, from l—l mm. across; 

 stem 2-3 in. long, 'l in. thick, subequal, even, equal, dirty 

 ochraceous mottled and streaked with pale brown, base 

 white, cottony; spores olive, elliptic-oblong, 12-14 x 3-4 fx. 



