Index to American Mycological Literature 113 



Fisher, D. F., & Newcomer, E. J. Controlling important fungous 

 and insect enemies of the pear in the humid sections of the 

 Pacific northwest. U. S. Dept. Agr. Farm. Bull. 1056: 1-34. 

 f. 1-18. S 1 91 9. 



Fisher, 0. E. — Mushroom poisoning. In KaurTman, C. H. The 

 Agaricaceae of Michigan. Mich. Geol. & Biol. Surv. 26 : 825- 

 864. 1 91 8. 



Gustafson, F. G. Comparative studies on respiration — IX. The 

 effect of antagonistic salts on the respiration of Aspergillus 

 niger. Jour. Gen. Physiol. 2: 17-24. f. 1-3. 20 S 1919. 



Harter, L. L. Sweet potato diseases. U. S. Dept. Agr. Farm. 

 Bull. 1059: 1-24. /. 1-15. O 1919. 



Kauffman, C. H. The Agaricaceae of Michigan — Vol. I. Mich- 

 igan Geol. & Biol. Surv. Publ. 26: i-xvii + 1-924. 1918; Vol. 

 II. pi. 1-172. 1918. 



New species are described in Russula (3), Hypholoma (2), Psilocybe (1), 

 Cortinarius (13), Inocybe (2), Hebeloma (1), Galera (2), Crepidotus (1), 

 Eccilia (1), Lepiota (1), Pleurotus (1), Tricholoma (1), and Clitocybe (1). 



Keene, M. L.- — Studies of zygospore formation in Phycomyces 

 nitans Kunze. Trans. Wisconsin Acad. Sci. 19: 1 195-1220. pi. 

 16-18. 1 91 9. 



Kempton, F. E. Origin and development of the pycnidium. * 



Bot. Gaz. 68: 233-261. pi. 17-22. 16 O 1919. 

 Levine, M. Studies on plant cancers — I. The mechanism of 



the formation of the leafy crown gall. Bull. Torrey Club 46 : 



447-452. pi. 17, 18. N 1919. 

 Murrill, W. A. Collecting fungi in Virginia. Mycologia n: 



277-279. 18 O 1 91 9. 

 Murrill, W. A. Some described species of Porta. Mycologia 



11: 231-244. 18 O 1919. 

 Overholts, L. 0. Some Colorado fungi. Mycologia 11 : 245-258. 



18 O 1919. 



Pammel, L. H. Recent literature on fungous diseases of plants. 



Trans. Iowa Hort. Soc. 53: 185-225. 1918. 

 Peltier, G. L. Carnation stem rot and its control. Illinois Agr. 



Exp. Bull. 223: 579-607. /. 1-5. S 1919. 

 Rankin, W. H. Manual of tree diseases, i-xx + 1-398. f. 1- 



70. New York, 1918. 



