316 



The North American Cup-Fungi 



similar and might easily be confused, notwithstanding the fact 

 that they are placed in different orders. The genus is charac- 

 terized by the erumpent apothecia and the very much elongated, 

 or filiform spores which usually become 1 -several-septate, 

 although they may be for a long time without septa, as in other 

 species of Cenangiaceae. 



Type species, Godronia Muhlenbeckii Moug. & Lev. 



On deciduous, woody plants. 



Spores relatively short, less than half the length of 

 the ascus. 

 On stems of Ribes. 



In congested masses; spores clavate. 

 Spores becoming 3-septate. 

 Spores 20-38 /x long. 

 Spores 18-20 /j. long. 

 Spores simple, in specimens studied. 

 Occurring singly; spores fusoid. 

 Not on Ribes. 

 Spores fusoid. 



Spores 11-17 m long; on Lantana. 

 Spores 20-24 n long. 



Apothecia turbinate; hymenium con- 

 cave. 

 Apothecia patellate; hymenium plane 

 or nearly so. 

 Spores 25-40 /x long. 



Apothecia with a laciniate border, on 



Spiraea; spores 3-4 X 25-25 yu. 

 Apothecia not laciniate on Vitis; 

 spores 3-4 X 35-40 ix. 

 Spores slender, rod-like; 1.5-2 X 10-12 m- 

 Spores relatively long, more than half as long as the 

 ascus. 

 On stems of woody plants. 

 Spores long-fusoid. 



Apothecia deeply concave; on Salix. 

 Apothecia slightly concave; on Betula. 

 Spores filiform or vermiform. 



Spores short, 25-30 ix long; on Kalmia. 

 Spores 40-75 /x long. 



Spores slender, 1.5-2 tx thick. 

 Apothecia cespitose, discoid. 

 Apothecia scattered, urceolate. 

 Spores 3-4 m in diameter, nearly as 

 long as the ascus. 

 Apothecia scattered; on sage 



brush. 16. G. montanensis. 



1. G. Ribis. 



2. G. lobata. 



3. G. tnmoricola. 



4. G. Davidsoni. 



5. G. Lantanae. 



6. G. turhinata. 



7. G. fiisispora. 



8. G. Spiraeae. 



9. G. viticola. 

 10. G. Lonicerae. 



11. G. fuliginosa. 



12. G. seriata. 



13. 



Kalmiae. 



14. G. Nemopanthis. 



15. G. Urceolus. 



