122 MUSHROOMS. 



Brown. 



cuticle. Tubes convex, nearly free, long, 

 minute, round, white, then yellow and greenish. 

 Stem 2 to 6 inches long, 6 to 18 lines thick, 

 straight or bending, subequal or bulbous, 

 short, more or less reticulated, especially above, 

 whitish, pale reddish or brown. Found in Au- 

 gust. Our specimen was small, the stem only 

 1| inch long. (Edible.) 



BOLETUS SCABER = rough. 

 The Scabrous-stemmed Boletus. 



Cap varies in color, 1 to 5 inches broad, yel- 

 lowish tan color, smooth, viscid when moist, at 

 length rivulose. Tubes free, convex, white, 

 then dingy color, mouths of tubes very small 

 and round. Stem 3 to 5 inches long, 3 to 8 

 lines thick, solid, tapering above, roughened 

 with fibrous scales. We found two or three 

 varieties of this Boletus, which seems to grow 

 everywhere in great abundance, in summer and 

 autumn, in woods and in open places. One 

 variety was of a yellowish tan color, Var. alu- 

 taceus, in another the flesh changed slightly to 

 pinkish when wounded, Var. mutabilis (Peck). 

 (Edible.) 



