THE TUBE-BEARING FUNGI 



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Polystictus hirsutus. Fr. 

 The Bristly Polystictus. 



Hirsutus means hairy or bristly. The pileus is corky, coriaceous, convex, 

 then plane, hairy with rigid bristles, zoned with concentric furrows ; of one color, 

 whitish, sometimes these zones are quite marked as in Figure 342. 



The pore surface is at first white, or whitish, becoming dark or brownish 

 in age. The pores are round, the walls rather thick. It is found on logs and 

 stumps in the woods. It is a very common plant and widely distributed. 



Polystictus versicolor. Fr. 

 The Common Zoned Polystictus. 



is coriaceous, thin, 



even and shining, 



white or grayish- 



or woolly, and the 



Versicolor means varying colors. The pileus 

 rigid, plane, depressed behind ; quite velvety, nearly 

 variegated with colored zones, sometimes entirely 

 white, not unfrequently the whole surface is villous 

 zones mere de- 

 pressions. 



The pores are 

 minute, round, 

 acute, lacerated, 

 white or cream- 

 color. 



It is very com- 

 mon, as well as 

 very variable in 

 form and color. 

 It is frequently 

 found on logs 

 and is then 

 densely imbri- 

 cated. On our 

 hillsides it fre- 

 quently grows 

 on a small bush 

 as in Figure 343. 

 It is one of the 

 most beautiful 

 plants in the 



WOOC1S. Figure 343. Polystictus versicolor. One-half natural size. 



