﻿Index to American botanical literature 



Harvey, E. M. Some effects of ethylene on the metabolism of plants. 



Bot. Gaz. 60: 193-214./. I, 2. 16 S 1915- 

 Hauman-Merck, L. Les parasites vegetaux des plantes cultivees en 

 Argentine et dans les regions limitrophes. An. Mus. Nac. Buenos 



Aires 26: 163-225./. 1-6. 1915- 

 Hedrick, U. P., and others. The cherries of New York. N. Y. Dept. 



Agr. Ann. Rep. 22: i-xii + 1-371- I9i5- [IHust.] 

 Hesler, L. R. Apple cankers and their control. Cornell Agr. Exp. 



Sta. Circ. 28: 17-28./. 1-16. My 1915. 

 Holden, R. On the cuticles of some Indian conifers. Bot. Gaz. 60: 



21s-227.pl. II. 16 S 1915- 

 Hull, E. D. Polyembryony in Opuntia Rafinesquii. Am. Bot. 21: 



56, 57- /• 1-4- My 191 5. 

 Humphrey, C. J., & Fleming, R. M. The toxicity to fungi of various 



oils and salts, particularly those used in wood preservation. U. S. 



Dept. Agr. Bull. 227: 1-38. pi. 1-4. 23 Au 191 5, 

 Hutchinson, A. H. Gametophyte of Pellia epipkylla. Bot. Gaz. 60: 



134-143. pl. 1-4 +/. /. 14 Au 1915- 

 Johnston, J. R. La enfermedad del platano en Cuba. Cuba Estac. 



Exp. Agron. Circ. 47: 1-13. pl. 1-7. 1915. 

 Kelly, J. P. Cultivated varieties of Phlox Drummondii. Jour. N. Y. 



Bot. Gard. 16: 179-191- 24 S 1915. 

 Knowlton, C. H., & Deane, W. Reports on the flora of the Boston 



district— XX. Rhodora 17: 16.9-180. S 1915. 

 Krause, E. H. L. Beitrage zur Flora von Amerika. Beih. Bot. 



Centralb. 32: 329-348. 20 N 1914. 

 Lloyd, C. G. Synopsis of the section Apiis of the genus Polyporus. 



291-392./. 631-706. Cincinnati. Je 1915. 

 Lunell, J. Enumerantur plantae Dakotae septentrionalis vasculares — 



I. Am. Mid. Nat. 4: 152-165. 20 Jl 1915;— II. Am. Mid. Nat. 4: 



MacDougal, D. T., Long, E. R., & Brown, J. G. End results of 

 desiccation and respiration in succulent plants. Physiol. Researches 

 i: 289-325. pl. 1-3 +/. 1-5' Au 1915. 



Malme, G. O. Die amerikanischen Spezies der Gattung Xyris L., 

 Untergattung Euxyris (Endlicher). Arkiv. Bot. 13*: 1-32./. 1-3. 

 16 S 1913. 



Merrill, E. D. Genera and species erroneously credited to the Philip- 

 pine flora. Philip. Jour. Sci. 10: (Bot.) 171-194. My 1915. 



