PLATE 30. 



Massarieae. 



Fig. 1. Massariovalsa sudans, (B. <fc C.) showing the perithecia 

 in vertical section somewhat enlarged. 



2. Horizontal section of perithecia and stroma. 



3. Anascus. 



4. A sporidium. 



5. Pleomassaria rhodostoma, (A. & 8.), a sporidium. 



6. Massariella bufonia, (B. & Br.) on white oak bark, show- 

 ing vertical section of perithecia somewhat enlarged. 



7. An as cub. 



8. A sporidium. 



