402 INDEX TO AMERICAN BOTANICAL LITERATURE 
Knowlton, C. H., & Deane, W. Reports on the flora of Boston 
district,—XLIII. Compositae. Rhodora 26: 34-36. “F”’ 
19 Mr 1924. 
Knowlton, C. H.,& Deane, W. Reports on the flora of the Boston 
district,—XLIV. Compositae. Aster. Rhodora 26: 55- 
60. “Mr” 24 Ap 1924. 
Knudson, L. Further observations on nonsymbiotic germina- 
tion of orchid seeds. Bot. Gaz. 77: 212-219. f. 1-3. Ap 
1924. 
Kozlowska, A. Diluvian flora of Poland. Bot. Gaz. 77: 186- 
190, 7. 75. 37 Ans gad. 
La Rue, C.D. Notes on the failure of the seed crop of Hevea 
brasiliensis on the east coast of Sumatra. Mich. Acad. Sci. 
Papers 3: 193-201. The Macmillan Co., New York. 1924. 
Leighty, C. E., & Sando, W. J. The blooming of wheat flowers. 
jour. Agr. Research 27: 231-244. 2 F 1924. 
Longley, A. E. Cytological studies in the genus Rubus. Am. 
Jour. Bot. 11: 249-282. pl. 11-15. f. 1-13. 21 Ap 1924. 
Manns, T. F. John Asbury Elliott. Phytopathology 14: 129- 
131. pl. 2. “Mr’’ 12 Ap 1924. 
Marsh, C. D., & Clawson, A. B. The woolly-pod milkweed 
(Asclepias eriocarpa) as a poisonous plant. U. S. Dept. 
Agr. Bull. 1212: 1-13. f. 1-7. 29 Ap 1924. 
McCulloch, L. A bacterial blight of Gladioli. Jour. Agr. Re- 
search 27: 225-229. pl. 1-2. 26 Ja 1924. 
McIndoo, N. E., & Sievers, A. F. Plants tested for or reported 
to possess insecticidal properties. U. S. Dept. Agr. Bull. 
1201: I-62. 19 Mr 1924. 
McMurray, N. Flowers of willow-herb. Am. Bot. 30: 81. 
Ap 1924. 
Merrill, G.K. Some new species of American Cladoniae. With 
an enumeration and description of some hitherto unrecog- 
nized varieties and forms of the older species. Bryologist 
27: 21-26. ‘‘Mr’’ 192 
Including descriptions of 6 new species. 
