64 INDEX TO AMERICAN BOTANICAL LITERATURE 
Hubbard, F. T. On the Gramineae collected by Professor Morton E. 
Peck in British Honduras, 1905-07. Proc. Am. Acad. Arts and 
Sci. 49: 493-502. O 1913 
Includes Mesosetum filifolium, Paspalum Peckii, Panicum stenodoides, and Aristida 
pseudos padicea, spp. nov. 
Jennings, O. E. Notes on the pteridophytes of the north shore of 
Lake Superior. Am. Fern Jour. 3: 38-47. 12 Je 1913. 
Kunkel, O. The influence of starch, peptone, and sugars on the toxicity 
of various nitrates to Monilia sitophila (Mont.) Sacc. Bull. Torrey 
Club 40: 625-639. 24 N 1913. 
Kuyper, J. Overzicht van de verschillende koffieziekten in Suriname. 
Bull. Dept. Landbouw Suriname 31: 1-16. pl. 1-4. S 1913. 
Livingston, B. E., & Livingston, G. J. Temperature coefficients in 
plant geography and climatology. Bot. Gaz. 56: 349-375. f. I-3- 
15 N 1913. 
Long, W. H. Three undescribed heart-rots of hardwood trees, espe- 
cially of oak. Jour. Agr. Research 1: 109-128. pl. 7,8. N 1913- 
Loomis, M. L. A correction concerning Dicksonia punctilobula, forma 
cristata. Rhodora 15: 204. 17 N 1913. 
Lutman, B. F. The pathological anatomy of potato scab. Phytopa- 
thology 3: 255-264. f. 1-10. O 1913. 
Lutman, B. F. Studies on club-root. I. The relation of Plasmodio- 
phora Brassicae to its host and the structure and growth of its 
plasmodium. Vermont Agr. Exp. Sta. Bull. 175: 3-27. pl. 1-4 
j. 1-6. O 10913. 
Mason, S.C. The pubescent-fruited species of Prunus of the south- 
western states. Jour. Agr. Research 1: 147-178. pl. 9-16 +f. 1-8. 
N 1913. 
Matheny, W. A. A comparison of the American brown-rot fungus with 
Sclerotinia fructigena and §. cinerea of Europe. Bot. Gaz. 56: 
4iS-432. f. 1-6.) 16, No-ao13, 
McAllister, F. Nuclear division in Tetraspora lubrica. Ann. Bot. 27: 
681-696. pl. 56. O 1913. 
McCool, M. M. The action of certain nutrient and non-nutrient 
bases on plant growth. Cornell Univ. Agr. Exp. Sta. Mem. 2: 
g21-226. f.. 2-15. An tori, 
Meyer, R. Uber Echinopsis tubiflora Zucc., deren Varietaten und 
Hybriden. Monats. Kakteenk. 23: 152-154. 15 O 1913. 
Miyake, K. The influence of salts common in alkali soils upon the 
growth of the rice plant. Jour. Biol. Chem. 16: 235-263. N 1913: 
