158 



The North American Cup-Fungi 



Hairs hyaline, white to the naked 

 eye. 

 Spores fusiform, very large. 

 Spores ellipsoid, medium-sized. 

 Spores 12 X 18 /x. 

 Spores 18 X 24-26 /x. 

 Hairs brown. 



Spores small, 7-9 X 10-12 tx. 

 Spores medium large, 14-22 n long. 

 Occurring on burnt ground. 

 Occurring on old wood. 



On deciduous wood; spores 



11-12 X 20-24 /x. 

 On wood of Sequoia; spores 

 12-13 X 17-20 M. 

 Hairs poorly developed, blunt, adpressed. 

 Hairs stellately branched. 

 Occurring on the dung of animals. 

 Spores permanently smooth. 



Apothecia clothed with stellate hairs. 

 Apothecia clothed with simple hairs. 



Apothecia medium to large, reaching a 

 diameter of 1 cm. 

 Apothecia bright-yellow. 

 Hairs small, subhyaline. 

 Hairs very large, dark-brown. 

 Apothecia ochraceous-brown . 

 Apothecia small, not exceeding 1 mm. in 

 diameter. 

 Apothecia short-cylindric. 

 Apothecia discoid or subdiscoid 

 Spores becoming minutely sculptured. 

 Hymenium white or bluish-white. 

 Spores becoming sculptured. 



Spore-sculpturing consisting of coarse tubercles. 

 Spores 22—25 /x long. 

 Spores 30-35 ^ long. 

 Spore-sculpturing consisting of minute warts or 

 papillae. 

 Apothecia reaching a diameter of 2-3 cm. 

 Apothecia not exceeding a diameter of 5- 

 10 mm. 

 Spores fusoid, 10-13 X 20-27 yu. 

 Spores ellipsoid, 8 X 15 m- 

 Spores remaining permanently smooth. 



Apothecia exceeding 1 mm. in diameter. 

 Plants restricted to burned areas. 

 Plants growing on damp soil or wood. 

 Occurring on old wood. 

 Occurring on damp soil. 

 Apothecia less than 1 mm. in diameter. 



8. P. ovilla. 



9. P. Hetieri. 



10. P. ricciophila. 



11. P. punicea. 



12. P. gilva. 



13. P. setosa. 



14. P. Sequoiae. 



15. P. melaJoma. 



16. P. crucipila. 



17. P. stercorea. 



18. P. theleboloides. 



19. P. coprinaria. 



20. P. maculosa. 



21. P. piikherrima. 



22. P. raripila. 



23. P. fimetaria. 



24. P. paliidosa. 



25. P. tubercidata. 



26. P. alhida. 



27. P. gregaria. 



28. P. irregtdans. 



29. P. ahundans. 



30. P . Erinaceus. 



31. P. albospadicea. 



32. P. pygmaea. 



