Porphyrosporee 



PSA'THYRA Fr. 



Gr. friable. 



(Plate C.) 



Psathyra. 



Veil none or only universal, and 

 floccoso-fibrillose. Stem somewhat 

 cartilaginous, fistulose with a tube, 

 polished, fragile. PileilS conical or bell- 

 shaped, membranaceous, the margin at 

 the first straight and adpressed to the 

 stem. Grills becoming purple or brown- 

 ish. Slender, fragile, JiygropJianous. 



Some of the last species of Hypho- 

 loma and Psilocybe are very closely 

 allied to them. The Coprinarii are 

 readily distinguished by the gills being 

 white or ash-color, then black, not 

 dusky-brown nor becoming purple. 



Psathyra corresponds with Mycena, 

 Nolanea, Galera and Psathyrella. All 



the species grow on the ground or on XT P SA THYRA GYROFLEXA. 



Natural size. (After Massee.) 



trunks. Stevenson. Omitted from Index to Species. 



But four American species reported. Small and unimportant. 



DECONICA. 



Stem tough; margin of PileilS at first incurved. Gills subtriangu- Deconica. 

 larly decurrent. Corresponds with Omphalia, Eccilia, Tubaria. 

 Few American species. Small and unimportant. 



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