Seaver: Hypocreales of North America ~ 75 



or slightly curved, becoming brown, i-septate, scarcely constricted 

 at the septum, with an oil-drop in each cell, 10-12 X 4-5 mic. , 

 paraphyses present, delicate. 



On rotten wood. 



Type locality: Ohio. 



Distribution : Known only from type locality. 



Specimens examined: Ohio, Morgan nop (type). 



In the specimens examined the perithecia are gregarious but 

 with no apparent stroma. The large brown perithecia and the 

 brown septate spores are sufficient characters by which the species 

 may be recognized. 



Explanation of Plate IV. 



1. Nectria episphaeria (Tode) Fries. The perithecia as they appear when 



moist, X 85. 



2. Nectria episphaeria (Tode) Fries. One o£ the bilaterally collapsing peri- 



thecia as they appear when dry, X 85. 



3. Nectria Peziza (Tode) Fries. Perithecia subglobose, pezizoid-collapsing, 



X 30. 



4. Ophionectria cylindrothecia Seaver. Perithecia subcylindrical, X 85. 



5. Hyponectria dakotensis Seaver. Perithecia subepidermal, X 100. 



6. Nectria sanguinea (Bolton) Fries. Perithecia ovate, entire, X 85. 



7. Nectria Papilionacearum Seaver. Perithecia subconical, X 85. 



8. Nectria conigena Ellis & Everh. Perithecia entire or pezizoid-colapsing, 



X 8s. 



9. Melanospora chionea (Fries) Corda. Perithecia flask-shaped, hairy, X 85. 



10. Eleuthromyces Geoglossi (Ellis & Everh.) Seaver. Perithecia subflask- 



shaped, X 85. 



11. Eleuthromyces Geoglossi (Ellis & Everh.) Seaver. Subappendiculate 



spores, X 1,000. 



12. Eleuthromyces subidatus Fuckel. Perithecia subflask-shaped, X 85. 



13. Eleuthromyces subulatus Fuckel. Appendiculate spores, X 1,000. 



