Hone: MINNESOTA HELVELLINE^E. 



321 



Figure 15. Young ascus, X 195. 



Figure 16. Spores, X 387. 



Figures 17-23. Verpa bohemica. 



Figure 17. Two asci, one emptied of spores, X 



Figure 18. Ascus, X 195. 



Figure 19. Paraphyses, X 195. 



Figure 20. Young paraphyses, X 195. 



Figure 21. Longitudinal section, ^ na t. size. 



Figure 22. Spores, X 387. 



Figure 23. Open ends of asci, x 195. 



Figures 2429. Helvetia infula. 



Figure 24. Longitudinal section, y z nat. size. 



Figures 25, 26. Paraphyses, X 195. 



Figure 27. Spores, X 387. 



Figures 28, 29. Asci, X 195. 



Figures 3033. Verpa conica. 



Figure 30. Longitudinal section, *^ nat. size. 



Figure 31. Ascus, X 195. 



Figure 32. Spores, X 387. 



Figure 33. Paraphyses, X 195. 



PLATE LII. 



Figures 1-4. Geoglossum hirsutum. 



Figure i. Spore, x 387. 



Figure 2. Ascus, X 195. 



Figure 3. Hair, X 387. 



Figure 4. Paraphyses, X 195. 



Figures 5-8. Leotia lubrica. 



Figure 5. Longitudinal section, ^ nat. size. 



Figure 6. Ascus, x 387. 



Figure 7. Spores, X 387. 



Figure 8. Paraphyses, X 387. 



Figures 9-12. Cudonia circinans. 



Figure 9. Longitudinal section, ^ nat. size. 



Figure 10. Ascus, X 387. 



Figure n. Spores, x 387. 



Figure 12. Paraphyses, X 387. 



Figures 13-15, 20. Spathularia clavata. 



Figure 13. Longitudinal section, ^ nat. size. 



Figure 14. Ascus, x 387. 



Figure 15. Spores, X 387. 



'95 



