PLATE 25. 



I/Opbiostomeae. 



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 Prnni, E. <fe E. natural size, on dead limb of 

 cherry. 



" 6. Part of same enlarged. 



" 7. An ascus. 



8. A sporidium. 



" 9. A chain ot spermogonia. 



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



section through a perithecium somewhat enlarged. 

 " 11. An ascus. 

 " 12. A sporidium. 



