PLATE 25. 



I/Ophiostomeae. 



Fig. 1, Lophionema vermisporum, (Ell.) somewhat enlarged, on 

 dead stem of Oenothera. 



" 2. Enlarged section of a perithecium. 



" 3. An ascus. 



" 4. A sporidium. 



" 5. Lophiostoma Pruni, E. & E. natural size, on dead limb ol 

 cherry. 



" 6. Part of same enlarged. 



" 7. An ascus. 



" 8. A sporidium. 



" 9. A chain ol spermogonia. 



" 10. Lophidium tingens, E. & E, on dead limb of maple a 

 section through a perithecium somewhat enlarged. 



" 11. An ascus. 



" 12. A sporidium. 





