Index to American Mycological Literatrue 
159 
Theissen, F. tiber Polystomella, Microcyclus u. a. Ann Myc. 
12 : 63-75. pi- 6, 7 - 10 F 1914- 
Includes Polyclypeolum, Microcydella, Clyclotheca, Cryptopus, and Ellisio - 
dothis, gen. nov. 
Vosler, E. J. Calendar of insect pests and plant diseases. State 
Comm. Hort. Monthly Bull. Calif. 3 : 44-46. /. 7. Ja 1914. 
Wallace, E. Scab disease of apples. Cornell Agr. Exp. Sta. 
Bull. 335: 545-624. pi. i-n + f. 184. S 1913. 
Wilson, G. W. Studies in North American Peronosporalcs — V. 
A review of the genus Phytophthora. Mycologia 6: 54-83. pi. 
up. 18 Mr 1914. 
Winslow, C. E. A. The characterization and classification of 
bacterial types. Science II. 39: 77-90. 16 Ja 1914. 
