116 



The North American Cup-Fungi 



Not confined 

 Fagus. 



to 



On leaves of 



Quercus. 

 On leaves of va- 

 rious kinds. 

 Apothecia pallid or yel- 

 lowish-white. 

 Not over 1 mm. in 

 diameter. 

 Spores 12-15 m 

 long, on Acer 

 and Quercus. 

 Spores 10- 13m 

 long, on Popu- 

 lus, more rare- 

 ly' on other 

 kinds. 

 Reaching 2-3 mm. in 

 diameter. 

 Apothecia creamy- 

 yellow. 

 Apothecia wa- 

 tery-white. 

 Apothecia not yellow or 

 orange. 

 Apothecia lilac, on 



Co7iocarpus. 

 Apothecia brown or 

 reddish-brown. 

 Spores usually less than 10 ju long. 

 Occurring on cryptogams. 



On living mosses and liverworts. 

 On fungi, Hypoxylon, Xylaria, etc. 

 Occurring on phanerogams. 

 On coniferous trees. 

 On needles of Larix. 

 On bark of Picea. 

 Not on coniferous trees. 

 On monocotyledons. 



On palm, Archontophoenix. 

 On grasses or sedges. 



Apothecia lemon-yellow, on Carex. 

 Apothecia pale-yellow, on Andro- 

 pogon. 

 On dicotyledons. 



On herbaceous plants. 



On stems of various plants. 



Apothecia distinctly stipitate. 

 Apothecia subsessile. 



33. H. piihendum. 



34. H. immutabile. 



35. H. translucens. 



36. H. populinum. 



37. H. erraticum. 



38. H. simulatum. 



39. H. Conocarpi. 



40. H. castaneum. 



41. H. destructor. 



42. H. episphaericum. 



43. H. laricinum. 



44. H. aurantium. 



45. //. alrosuhiculatum. 



46. H. citrinulum. 



47. H. planodiscum. 



48. H. cyathoideum. 



49. H. consanguineum. 



