



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



PLATE XVIII. 



FIG. 



1-2. TRICHOLOMA PERSONATUM 



3. TRICHOLOMA RUSSULA. 



4. TRICHOLOMA TERREUM, 



PAGE. 

 79 

 65 

 71 



FIG. 



5. TRICHOLOMA COLTJMBETTA, 



6. TRICHOLOMA HUMILE, 



PAGE. 



68 

 81 



