PLATE 12. 



Hypocreaceae. 



Fig. 1. Sphaerostilbe gracilipes, Tul. 



2. Conidia (Stilbum), one of which rises from the center of the 



cluster of perithecia. 



3. An ascus. 



4. Two sporidia. 



5. Conidia on their branching basidia, enlarged. 

 " 6. Three conidia highly magnified. 



7. Pleonectria Berolinensis, Sacc., an ascus. 



8. Three sporidia. 



9. Chilonectria cucurbitula, (Curr.), an ascus. 



" 10. One of the cylindrical bodies contained in the asci with 

 sporidia escaping from a rupture in one side. 



" 11. Cluster of basidia (Tubercularia) with terminal conidia, 

 " 12. Conidia more highly magnified. 



" 13. Nectria verrucosa, (Schw.), natural size on piece of limit of 

 Morus alba. 



" 14. A cluster of magnified perithecia. 

 " 15. The depressed stroma (Tubercularia). 



" 16. Group of basidia and conidia taken from the stroma and 

 enlarged. 



" 17. Conidia enlarged. 



u 18. An ascus. 



" 19. Two sporidia. 



NOTE.- -Asci drawn to a scale of 28 , to the inch and the enlarged 

 sporidia and conidia to a scale of about 14 // to the inch. 



