PLATE 23. 



Amphisphaerieae. (Figs, 6-18). 



Fig. 1. Herpotrichia diffusa, (Schw.) natural size. 



" 2. Portion of the same somewhat magnified, 



" 3. Enlarged section of a perithecium. 

 11 4. An ascus. 



" 5. A sporidium. 



" 6. Ohleria rugulosa, Fckl. natural size. 



" 7. Same somewhat magnified. 



" 8. An ascus. 



" 9. A sporidium. 



" 10. Winteria rhoina, E. & E. natural size. 



11 11. Portion of the same enlarged. 



" 12. An ascus. 



" 13. A sporidium. 



" 14. Teichospora Helenae, E. & E. natural size, on dead limb. 



" 15. Portion of same enlarged. 



" 16. Enlarged section of perithecium. 



" 17. An ascus. 



" 18. A sporidium. 



