TUBE-BEARING FUNGI. 



183 



O n> 



&- 55" 



small, angular, somewhat as in B. granulatus, but smaller, and they 

 are granulated with reddish or brownish dots. The spores are wal- 

 nut brown, oblong to el- 

 liptical, 8-10 X 2-3 fA. 

 The stem is cylindrical, 

 even, olive yellow above, 

 and black dotted both 

 above and below the 

 annulus. 



Boletinus pictus Pk. 

 This very beautiful plant 

 is quite common in damp 

 pine woods. It is easily 

 recognized by the red- 

 dish cottony layer of 

 mycelium threads which 

 cover the entire plant 

 when young, and form a 

 veil which covers the 

 gills at this time. As the 

 plant expands the red- 

 dish outer layer is torn 

 into scales of the same 

 color, showing the yel- 

 lowish, or pinkish, flesh 

 beneath, and the flesh 

 often changes to pink or 

 reddish where wounded. 

 The tubes are first pale 

 yellow, but become 

 darker in age, often 

 changing to pinkish, with 

 a brown tinge where 

 bruised. The stem is 

 solid, and is thus differ- 

 ent from a closely related 

 species, B. cavipes Kalchb. 

 The stem is covered with 

 a coat like that on the 

 pileus and is similarly 

 colored, though often 

 paler. The spores are 



3 CD 



9 



13 . 



OP (t> 



5*3 



