THE TUBE-BBARING FUNGI 



361 



Figure 291. Boletus sullivantii. 



Boletus parvus. Pk. 



Parvus means small ; so named from the smallness of the plant. 



The pileus is one to two inches broad, convex, becoming plane, often slightly 

 umbonate, subtomentose, reddish. Flesh yellowish-white, slowly changing to 

 pinkish when bruised. 



The tubes are nearly plane, adnate, their mouths rather large, angular, at first 

 bright-red, becoming reddish-brown. 



The stem is equal or slightly thickened below, red, from one to two inches 

 long. The spores are oblong, 12.5x4/*. 



They are found in thin woods, July and August. 



