444 Griffiths : Pvrexomvcetes 



4 



ISxplauatloii of Plate 365 



1-3. Sonidn'ti curvula DeB. Peritheciuin, ascus and spore. 



4 and 5. Sordariii cun'ula DeB. Two germinating spores after 24 hours in 

 water. 



6-8. Sordan'ii plelospora Wint. Perithecium, ascus and spore. Spores in ascus 

 slightly deranged. 



9. Hair from perithecium of S, pleospora. 



r ^^ 



10-12. Son/ana nunuta l-'ckl. Peritliecium, ascus and spore. 

 13-15. Sordaria curvicolla Wint. Perithecium, ascus and spore. 

 16-18. Sordaria funicola (Rob.) Ces. & DeXot. Perithecium, ascus and spore. 

 19-21. Melanospora Tcnvnei 'i^, nov. Perithecium, ascus and spore. 

 22. Hair from perithecium of yl/. Toivnei, ' 



. . Note.— All perithocia X 35- asci 230, and spores 315, Figs. 4 and 5 X 230 ; 9 



and 22 XS'S* 



Hxplaiiatlon of Plate 366 



1-9. Pocosphaeria A//ii s^. nov. 



1. Maturc^pcrithecia, X 50- " ' 



2. Young perithecium crowned with the conidial hyphae, X 230. 



3. Conidial hyphae showing a slight proliferation of cells at their bases, X 230. 



4. A single hypha projecting through a stoma, X 230. 



5. Ascus, X 230. 



6. Spore, X Z^S- 



7. Conidiospores, X 3^5- 



8 and 9. Mycelium as seen through Uic transparent epidermis, X 230. 



10 and II. Trematoiphaera nucleiara (DeNot.) Sacc. from Roumeguere Fungi 

 Select! (lallici, no. 4783. 



10. Perithecium, X 35- H- Spores, Y^ll^^ 

 12-14. T7'C}natosphacra caryophaga (Schw.). 



12. Perithecium, X 35- 13- Ascus, X 230. 14. Spores, X 315- 

 15-18, Pcrisporiitmvulgare Cda. 



15. Perithecium grown on pai)er in Petri dish, X 75- 



16. Ascus, X 230. 17. Spores, X Z^S- «8. A single cell of ascospore after 24 

 hours' growth in water. 



19-23. Dotliidea iouspicua sj). nov. 



19. Portion of affected } //m; leaf, X 12. 20. Ascus, X 315- 



21. Portion of a stoma, X 35. 22. Spore, X 3»S- 23. A stromalic cavity sinew- 

 ing cellular structure, X 230. 



24-26. Melanospora Poae sp. nov. 



24. Perithecium, X 50. 25. Ascus, X 315- 28. Spores, X 4S0. 

 27-29 Pleospora aquaiica sp. nov. 



27. Perithecium, X 35* 28. Ascus, X 230. 29. Spores, X 315- 



3*^-34- Pyrenophora Saholae sp, nov. 



30. Perithecium, X35- 3*- Two asci, one of which shows the spiral line of 

 dehiscence. 32. An ascus slightly extended after rupturing. 33. Two asci, one of 

 which shows a straight line of dehiscence. All X 230. 34. Spores, X 315- 



