PLATE 23. 



Amphisphaerieae. (Figs, 6-18). 



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



2. Portion of the same somewhat magnified. 



3. Enlarged section of a perithecium. 



4. An ascus. 



5. A sporidium. 



6. Ohleria rngnlosa, Fckl. natural size. 



7. Same somewhat magnified. 



8. An ascus. 



9. A sporidium. 



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



" 11. Portion of the same enlarged. 



" 12. An ascus. 



" 13. A sporidium. 



14. Teichospora Helenae, E. & E. natural size, on dead limli 



" 15. Portion of same enlarged. 



. " 16. Enlarged section of perithecium. 



" 17. An ascus. 



" 18. A sporidium. 



