396 INDEX TO AMERICAN BOTANICAL LITERATURE 
Baxter, D. V. The heart rot of black ash caused by Polyporus 
hispidus Fr. Mich. Acad. Sci. Papers 3: 39-50. pl. 8-14. 
The Macmillan Co., New York. 1924. 
Bergman, H.F. The composition of climax plant formations in 
Minnesota. Mich. Acad. Sci. Papers 3: 51-60. The 
Macmillan Co., New York. 1924. 
Berry, E. W. Paleobotany at the New York State Museum. 
Science IT. 59: 336-337. 11 Ap 1924. 
Berry, J.B. Southern woodland trees. A guide to the identi- 
fication of trees and woods to accompany farm woodlands. 
PVill,: 1-214: f.: 2-165" ‘Werld Rook Company, New 
York. 1924. 
Bessey, E. A. Notes on the orange rusts of Rubus. Mich. 
Acad. Sci. Papers 3: 61-66. f.3. The Macmillan Co., New 
York. 1924. 
Blair, A. W., & Prince, A. L. Influence of varying ratios of 
Phosphoric acid and potash on crop yield and nitrogen re- 
covery. Soil. Sci. 17: 327—330. pl. rt. Ap 1924. 
Blair, A. W., & Prince, A. L. Preliminary note on the dis- 
tribution of nitrates in soil under corn culture. Soil Sci. 
17: 323-326. Ap 1924. 
Blake, S. F. New Polygales from Colombia. Bull. Torrey 
Club 51: 83-89. “Mr” 22 Ap 1924. 
Including descriptions of 5 new species and 1 new variety. 
Blake, S.F. Notes on American cespedezas. Rhodora 26: 25- 
34. f. I-2. “FF? 19 Mr 1924. 
Including descriptions of 3 new varieties. 
Blake, S. F. Polygalaceae. N. Am. FI. 25: 305-326. 10 Mr 
1924; 327-379. 20 Mr Ig24. 
Blakeslee, A.F. Bottle grafting again. Invention the daughter 
of necessity. Jour. Heredity 15: 54. 1924. 
Bosch,M.M. Nuwestras papas. Revista Agr. [Santo Domingo]. 
18: 134-145. f. 1-3. 29 F 1924. 
