DESCBIPTIONS OF FUNGI. 113 



White. 



BOLETUS ALBUS = wliite. 

 The White Boletus. 



Gap white, from 1}^ to 3 inches broad, con- 

 vex, viscid when moist, flesh white or yellow- 

 ish, tubes small, nearly round (subrotund), 

 adnate, whitish, becoming ochraceous. Stem 

 l}i to 3 inches long, 3 to 5 lines thick, equal, 

 white, sometimes tinged with pink near the 

 base. We found only one specimen of the 

 white Boletus in August, It grew in the 

 woods. The flesh became yellow and the stem 

 was 1j4 inch long, and it slightly tapered 

 toward the base. 



PLEUROTUS ULMARIUS==elm. 

 The Elm Pleurotus. 



The word pleurotus is taken from two Greek 

 words, meaning a side and an ear. It is given 

 on account of the stem growing in a lateral 

 or eccentric manner. The Elm Pleurotus, so 

 called from growing on elm trees, is considered 

 edible. Our specimen had the cap whitish, 

 but stained in the centre with a rusty yellow- 

 ish color, 3 to 5 inches broad, thick, flrm, 

 smooth, convex, then plane. The skin was 



cracked in a tessellated manner. Flesh was 



8 



