STUDIES OF AMERICAN FUNGI. 



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The pileus in such cases is lateral and shelving, that is, it stands 

 out more or less like a shelf from the trunk or log, or in other cases 

 is spread out flat on the surface of the wood. The shelving form is 



well shown in 

 the beautiful 

 Claudopus nidu- 

 lans, sometimes 

 called Pleurotus 

 nidulans, and in 

 other species of 

 the genus Pleuro- 

 tus, Crepidotus, 

 etc . These 

 plants will be 

 described later, 

 and no further 

 ^,-5: description of the 

 peculiarities i n 

 form of the mush- 

 rooms will be 

 now attempted, 

 since these will 

 be best dealt 

 with when dis- 

 cussing species 

 fully under their 

 appropriate ge- 

 nus. But the 

 brief general de- 

 scription of form 

 given above will 

 be found useful 

 merely as an 

 introduction t o 

 the more de- 

 tailed treatment. 

 Chapter XXI 

 should also be 

 studied. For 



those who wish the use of a glossary, one is appended at the close 

 of the book, dealing only with the more technical terms employed 

 here. 



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