158 Botanisches Centralblatt. 



Burvenieh pere, Fred. 1907. Poire tardive de Solesmes. (Bull. 

 Horticulture beige et etrang. XXXIII. 9. p. 149. pl. col.) 



Cates, J. S. and W. J. Spillmann. 1907. Method of eradicating 

 Johnson grass. (Bull. Dept. Agric. Washington. 1907. 8°. 16 pp. 8 fig.) 



Chevalier, Ch. 1907. Culture forcee, hätee, retardee et hivernale 

 des plantes d'ornement. (Paris, Libr. hortic. 1907. 224 pp. 60 grav.) 



C. L. F. 1907. Zur Lage der Baumwollkultur in Argentinien. 

 (Tropenpflanzer. XI. 5. p. 298—302.) 



Clinton, G. P. 1907. Experiments to prevent onion brittle. (Rept. 

 Connecticut agric. Expt. Stat. V. p. 332 — 335.) 



Clinton, G. P. 1907. Report of the botanist for 1906. (Rept. Con- 

 necticut agric. Expt. Stat. V. p. 307—368. pl. XVII— XXXIII.) 



Costantin, J. et H. Poisson. 1907. Sur quelques plantes ä caout- 

 chouc du sud de Madagascar. (C. R. Ac. Sc. Paris. CXLIV. 19. p. 

 1053—1055.) 



Costenoble, H. L. W. 1907. Obst-, Mehl-, und Bastbananen. (Tro- 

 penpflanzer. XL 5. p. 289—298.) 



Cushman, A. S. The Use of Feldspathic Rocks as Fertilizers. 

 (Bull. Bur. Plant Ind. U. S. Dept. Agric. Washington. 1907. 104. 

 p. 1—32.) 



Dewey, L. H. 1907. The Zapupe über plant of Eastern Mexico. 

 (Science. N. S. XXV. p. 743-744.) 



Dinsmore, S. C, and P. B. Kennedy. 1907. Native Forage 

 Plants and their chemical Compositions. (Bull. Nevada agric. 

 Expt. Stat. [Reno, Nev.]. 1907. 62. 1—41. 9 cuts. 12 pls.) 



Drabble, E. 1907. The properties of the fibres separated from 

 cotton seeds. (Quart. Journ. comm. Research Tropics. IL 4. p. 32 — 34.) 



Drabble, E. and M. Nierenstein. 1907. Bastard Logwood from 

 Jamaica. (Quart. Journ. comm. Research Tropics. IL 4. p. 38 — 40.) 



Drabble, E. and F. A. Upsher Schmidt. 1907. The absorbent 

 value of Ramie Fibre. (Quart. Journ. comm. Research Tropics. IL 

 4. p. 56—65.) 



Drummond, J. R. and D. Prain. 1907. Notes on Agave and 

 Furcraea in India. (Agric. Ledger. 1906 [1907]. 7. p. 77-271.) 



Duggar, J. F. 1906. Com culture. (Bull. Alabama agric. Expt. Stat. 

 1906. 33 pp. 3 pl.) 



Dumont, J. et Ch. Dupont. 1907. Sur la culture des Legumi- 

 neuses fourrageres. (C. R. Ac. Sc. Paris. CXLIV. 18. p. 985—987.) 



Emerson, R. A. 1907. Potato Experiments. (Bull. Nebraska 

 agric. Expt. Stat. [Lincoln, Nebr.]. 1907. 97. p. 1—26). [Mulched 

 potatoes not only yield more than cultivated plants but the tubers 

 from mulched plants when used for seed give much larger crops, 

 47 per cent. more in 1905 and 41 per cent. in 1906! Cost of mulch 

 precludes its use in most cases except on a small scale, which would, 

 however, suffice for growing seed tubers. — W. T. Swingle.] 



Erwin, A. T. and H. P. Baker. 1907. Evergreens for the Iowa 

 planter. (Bull. Iowa Expt. Stat. Arnes [Iowa]. 1907. 90. p. 1—46. 

 15 ill.) 



Fewkes, J. W. 1905. Climate and Culture. (Rept. 8th. intern, 

 geogr. Congress, Washington (G. P. 0.), 1905. p. 664—670. [Dis- 

 cusses effects of climate on agriculture of primitive peoples. — 

 W. T. Swingle.] 



Fruwirth, C. 1907. Die Züchtung der landwirtschaftlichen Kultur- 

 pflanzen. IV. Die Züchtung der vier Hauptgetreidearten und der 

 Zuckerrübe. (Berlin, P. Parey. 1907. 8°. XV, 380 pp. 30 Abb.) 



Fruwirth, C. 1907. Untersuchung über den Erfolg und die zweck- 



