Index to American Mycological Literature 287 



Phillips, F. J., & Mulford, W. Utah juniper in central Arizona. 

 U. S. Forest Serv. Circ. 197: 3-19. pi. i, 2^f. i. 8 Je 1912. 



Includes notes on injuries to the trees by Pyropolyporus texanus, Gymno- 

 sporangium gracilens, and G. nelsoni. 



Reed, H. S., Cooley, J. S., & Rogers, J. T. Foliage diseases of 

 the apple. Virginia Polytech. Inst. Agr. Exp. Sta. Bull. 195 : 

 3-23. /. 1-13. F 1912. 



Saccardo, P. A. Notae mycologicae, Series XIV. Ann. Myc. 

 10: 310-322. 10 Je 1912. 



" I. Fungi ex Gallia, Abyssinia, Japonia, Mexico, Canada, Amer. bor. et. 

 Centr." 



Includes fifteen new species of fungi from America. 



Sackett, W. G. Bakteriologische Untersuchungen xxhtv die 



Stickstoffbindung in gewissen Bodenarten von Colorado. 



Centralb. Bakt. Zweite Abt. 34: 81-115. /. 1-5. 15 My 1912. 

 Smith, E. F., Brown, N. A., & McCulloch, L. The structure 



and development of crown gall : a plant cancer. U. S. Dept. 



Agr. Plant Ind. Bull. 255: 11-60. pi. i-iOQ-^f. i, 2. 29 Je 



1912. 



Stevens, N. E. Wood rots of the hardy catalpa. Phytopa- 

 thology 2: 114-119. pi. 10. Je 1912. 



Stewart, R., & Greaves, J. E. The production and movement 

 of nitric nitrogen in soil. Centralb. Bakt. Zweite Abt. 34: 

 1 15-147. f. I. 15 My 1912. 



Taubenhaus, J. J. Present knowledge of sweet pea diseases and 

 their control. Florists' Exchange 34: 108-110. 20 Jl 1912. 

 [Illust.] 



Theissen, F. Die Gattung Clypeolella v. Hohn. Centralb. 

 Bakt. Zweite Abt. 34: 229-235. 22 Je 1912. 



Includes Clypeolella Ricini Rac, C. Solani Theiss., and C. apns Theiss. 

 spp. nov. 



