INDEX TO AMERICAN BOTANICAL LITERATURE 163 
Knowlton, C. H. Preliminary lists of New England plants,;—XXIV. 
Rhodora 18: 245-248. 1 D 1916;—XXV. Rhodora 19: 217-219. 
11 O 1917. 
Leonard, E. C. The Astereae of Ohio. Ohio Jour. Sci. 18: 33-58. 
31 D 1917. 
Lewis, F. J Vegetation distribution in the Rocky Mountains Park. 
Canadian Alp. Jour. 8: 87-95. f. 1-5. 1917. 
Lofgren, A. Especies, variedades, hybridos, seleccdo, natural, muta- 
cors, hereditariedade, lei de Mendel, chromasomos. A Lavoura 21: 
348-359. 1917. [Illust.] 
Long, W. H., & Harsch, R. M. Pure cultures of wood-rotting fungi 
on artificial media. Jour. Agr. Research 12: 33-82. 14 Ja 1918. 
Love, H. H., & Craig, W. T. Small grain investigations. Jour. 
Heredity 9: 67-76. f. 9-15. 28 Ja 1918. 
Mackenzie, K. K. Solidago altissima. Addisonia 2: 69,.70. pl. 75. 
i 2 1007. 
Marsh, C. D., & Clawson, A. B. Eupatorium urticaefolium as a 
Sere plant. Jour. Agr. Research 11: 699-716. pl. 52-55. 
24 D1 
Wovens x . Algae of the Hawaiian Archipelago. I. Bot. Gaz. 
65: 42-57. 17 Ja 1918; II. Bot. Gaz. 65: 121-149. 15 F 1918. 
MacCaughey, V. The Hawaiian taro. Am. Bot. 23: 122-126. N 
1917 : 
Colocasia antiquorum var. esculenta 
McClintock, J. A. Further eine relative to the varietal resistance 
of peanuts to Sclerotium Rolfsii. Science I] 47: 72,73. 18 Ja1g18. 
Massey, L. M. Experiments for the control of blackspot and powdery 
mildew of roses. Phytopathology 8: 20-23. 24 Ja 1918. 
Melchers, L. E. Physoderma (Zeae Maydis?) in Kansas. Phyto- 
pathology 8: 38, 39. 24 Ja 1918. 
Melhus, I. E., & Durrell, L. W. The barberry bush and black stem 
rust of small grains. Iowa Agr. Exp. Sta. Circ. 35: [1-4]. f. 1-6. 
Ap 1917. 
Merrill, E. D. New Philippine shrubs and trees. Philip. Jour. Sci. 
42: (Bot.) 263-303. 5 1917. 
Includes descriptions of 44 new species and the new genus Trifidacanthus. 
Mitra, S. K. Toxic and antagonistic effects of salts of wine yeast 
ACHE 6 ellipsoideus). Univ. Calif. Publ. Agr. 3: 63-102. 
f. 1-12. 30N 19 
Munn, ic T. Pathogenicity of Bacillus amylovorus (Burr.) Trev. for 
blossoms of the strawberry (Fragaria sp.). Phytopathology 8: 33. 
24 Ja 1918. 
