122 Mycologia 



This species is rather common in the above locality on dead 

 twigs of Populus tremuloides Michx. 



31. Fusicoccum castaneum (Sacc.) Sacc. Syll. 

 Fung. 3 : 249. 1884 



Cytispora Castanea Sacc. Michelia 1 : 519. 1879. 



On dead branches of Castanea dentata (Marsh.) Borkh'., New 

 York City, March, 1907. G. W. W. 



This fungus was nowhere observed except on the immature 

 twigs of a large branch which had been broken from a chestnut 

 tree during a storm of the preceding summer. 



32. Gibberella pulicaris (Fries) Sacc. 

 Michelia 1 : 43. 1876 



Sphaeria pulicaris Fries, Syst. Myc. 2: 417. 1823. 



On old stalks of Zea Mays L., Mount Pleasant, Iowa, summer, 

 1907. F. J. S. 



33. Hypoderma aquilina (Fries) Rehm, Ber. Naturh. 

 Ver. Augsburg 26: 68. 1881 



Sphaeria aquilina Fries, Syst. Myc. 2 : 522. 1823. 



On old leaf-stems of Onoclea sensibilis L., New York City, 

 spring, 1907. F. J. S. 



34. Hypomyces Lactifluorum (Schw.) Tul. Sel. Fung. 

 Carp. 2 : 63. 1865 

 Sphaeria Lactifluorum Schw. Schr. Nat. Ges. Leipzig 1: (30). 

 1822. 



On some species of Lactaria, Fargo, N. Dak., summer, 1907. 

 F. J. S. 



Numerous specimens of the host were collected in woods near 

 Fargo all of which were entirely parasitized by the fungus so 

 that the gills were entirely eliminated. 



35. Hypomyces polyporinus Peck, Ann. Rep. State 

 Mus. 26: 84. 1874 



On Coriolus versicolor (L.) Quel. = Polyp or us versicolor (L.) 

 Fries, Fargo, N. Dak., summer, 1907. F. J. S. 



The present species was found in considerable quantity during 



