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, (Scbw.), natural size on piece of limb of 

 Morus alba, 



" 14. A cluster of magnified perithecia. 



" 15. The depressed stroma (Tubercularia). 



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

 enlarged. 



" 17. Conidia enlarged. 



" 18. An ascus. 



" 19. Two sporidia. 



Note. Asci drawn to a scale of 28 /i to the inch and the enlarged 

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



