PLATE 30. 



Massarieae. 



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

 in vertical section somewhat enlarged. 



2. Horizontal section of perithecia and stroma. 

 " 3. An ascus. 



4. A sporidium. 



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



fi. Massariella bufonia, (B. & Br.) on white oak hark, show- 

 ing vertical section of perithecia somewhat enlarged, 



7. An ascus. 



8. A sporidium. 



