PLATE XVIII. 



Grouped by F. D. Briscoe Studies by C. Mcllvaine. 



FIG. 



1-2. TRICHOLOMA PERSONATUM 



3. TRICHOLOMA RDSSULA. 



4. THICHOLOMA TERREUM, 



PAGE. FIG. 



79 5. TRICHOLOMA COLUMBETTA, 



65 6. TRICHOLOMA HUMILE, 

 71 



PAGE. 



68 

 81 



