t|:i 



-;?■;:, ^ 



PLATE 22. 



Ceratostomeae. {Fv/^. i to i3) 



Fig. 1. Hypsothecasubcorticalis, (C. & E.) natural size ou oak 

 liark. 



2. Same enlarged. 



" 3. A pcritheciuni broken open showing the asci attached to 

 tlic surface of the inner wall. 



•' 4. An aacus. 



" 5. Two ppoi'idia. 



" fi. ('eratosphaeriainierodoma R. & E. natural size, on l)ark uf 

 elder. 



7. Same enlarged. 



" 8. AnaacuH. 



" !). A aporidiuni. 



" 10. Ceratostoma snbrufiini, K. &. R on wood of dead oak linih. 



" 11. Portion of aame enlarged. 



" 12. An aacua. 



" 13. Two sporidia. 



" 14. Trematosphaei'ia pertiisa, (Per?) natural size, on dead 

 wood. 



" If). Portion of the same enlarged. 



" Ifi. An aseus. 



" 17. A sporidiuni 1-aeptate. 



" 18. •• " 2-septate. 



'• 19. •• •• 3-septiite. 



