X. i:i)1i;l1': amamtas axd amamtoi'sis. 



The Leucosporae, or wliite-sporcd agarics, indiKlc many gen- 

 era and many species that are (;dil)le. In a few instiinees the 

 sjiores have a dirty white or a pale yellow color, and in one case 

 a green color, hut this is nut an edible species. In anutlier they 

 (piickly assnme a pale lilac tint upon exposure to the air and light. 



The esculent species are distributed in alxjut a dozen genera, 

 and the following table may be of service in assigning each spe- 

 cies to its proper genus : 



GENKKA OF hKUCOSPOR-K. 



riant with a inend)ranous sheath at the base of the 



stem, or with superficial warts on the cap, 1. 



Plant destitute of sheath and superficial warts, 2. 



1. Stem furnished "with a collar, Amanita. 



1. Stem destitute of a collar, Amanitopsis. 



2. (Jills narrow, with a blunt eilge, _ Cantharellus. 



2. Gills with an acute edge, 3. 



']. dills somewhat waxy in texture, HygropJwrus. 



o. Gills not waxy in texture, 4. 



4. Cap eccentrically or laterally attadieil to the stem, or 



steudess, Pleurofus. 



4. Cap centrally attached to the stem, 5. 



5. Gills free from the stem, Lepiota. 



5. Gills attached to the stem, 6. 



6. Stem furnished with a collar, ArmiUaria. 



G. Stem destitute of a collar, 7. 



7. Stem firm but brittle (breaking squarely), 8. 



7. Stem not lu-ittle, 9. 



8. Gills exuding a white or colored juice where 



wounded, Ladarius. 



8. Gills exuding 7io juice where wounded, RiisfiuJa. 



0. r)ry plant reviving on the n]i|'i1icntion of 



moisttir(% J/ara.s'») /;/.5. 



0. Plant putrescent, not reviving, 10. 



10. Edge of the gills notched or excavated at the 



stem. Triclwloma. 



10. TAixo of the gills even, gills mostly decurrent, Clifori/hr. 



In the cenus Atuntiifa the young plant i> enveloped in n mem- 



41 



