Seaver: The Hypocreales of North America 



207 



curved, 7-10-septate, with very faint, interrupted, longitudinal 

 septa, at first hyaline, becoming quite dark brown, 25-35 X 10-12 

 mic. ; paraphyses abundant. 



On bark of Ulmus americana. 



Type locality: Manhattan, Kansas. 



Distribution : Kansas to Ontario and New York. 



Specimens examined: Ohio, Morgan; Ontario, Canada, Deaf- 

 ness. 



New York Botanical Garden. 



Explanation of Plate XIII. 



1. Megalonectria pseudotrichia (Schw.) Speg., X 25. 



2. Megalonectria pseudotrichia (Schw.) Speg., asci and spores, X 400. 



3. Creonectria pithoides (Ellis & Everh.) Seaver, natural size. 



4. Creonectria pithoides (Ellis & Everh.) Seaver, X 25. 



5. Creonectria seminicola Seaver, two thirds natural size. 



6. Creonectria seminicola Seaver, X 25. 



7. Creonectria seminicola Seaver, conidiophores, X 400. 



8. Creonectria tuberculariformis (Rehm) Seaver, natural size. 



9. Creonectria tuberculariformis (Rehm) Seaver, X 10. 



10. Creonectria tuberculariformis (Rehm) Seaver, conidiophores, X 400. 



11. Creonectria rubicarpa (Cooke) Seaver, natural size. 



12. Creonectria rubicarpa (Cooke) Seaver, X 25. 



13. Scoleconectria canadensis (Ellis & Everh.) Seaver, X 25. 



14. Scoleconectria canadensis (Ellis & Everh.) Seaver, asci and spores, X 400. 



15. Echinodothis tuberiformis (Berk. & Rav.) Atk., X 2. 



