PLATE 17. 



Sordarieae. 



Fig. 1. Sordaria liumana, sectional view, somewhat enlarged. 



" 2. An ascus. 



" 3. A sporidium. 



" 4. Hypocopra equorum, (Pckl.) somewhat enlarged sectional 

 view showing the asci in the perithecia and the thin 

 black superficial stroma above. 



" 5. Oomyces Langloisii, E. & E. natural size on stem of 

 Vigna luteola. 



" 6. An enlarged stroma. 



" 7. Vertical section through the stroma and enclosed perithe- 

 cia. 



" 8. An ascus with two branching paraphyses. 



" 9. A sporidium cut in two. 



" 10. Delitschia bisporula, (Crouan) perithecium enlarged. 



" 11. An ascus and paraphvsis. 



" 12. A sporidium. 



Note. Figures 10, 11 and 12 from Hansen's Fungi fimicoli 

 danici. 



