Bi^eârd. . l/vre r^es cAamjji^nons. 



PL. XX. 



l..r\ussula delica 



v._ riit.:5iua (epida. 



-w- 





3.-i\ussula Iragius. 



A.-l\ussuîa Jelka. 



Imj). E^^Bertrand- Qhalo.\' . 



pi/.^s.^Ru Del- 



