174 Botanisches Centralblatt. 



Bigelow, W. D. and H. C. Gore.' 1907. Ripening of Oranges. 

 (Journ. amer. ehem. Soc. XXIX. 5. p. 767—775. ül.) [Chemical 

 study of ripening of St. Michael and navel oranges. The figures 

 show graphically the increase in total solids, total sugar as in- 

 vert, reducing sugar, sucrose, marc, and aeid as citric. The total 

 quantity of aeid is formed early in the development of the fruit 

 but sugars continue to be formed up to füll maturity. — W. T. 

 Swingle.] 



Blinn, P. K. 1907. Alfalfa, Sugar Beets, Canteloupes, Notes 1906. 

 (Bull. Colorado agric. Expt. Stat. (Ft. Collins, Col.). 1907. 121. p. 

 1 — 8, pls. 1 — 7.) [Seed-selection from individual plants of Turkestan 

 Alfalfa to secure large yield of seed. Beets resistant to „curly 

 top" disease and canteloupes resistant to „rust" have been bred 

 and are being tested. — W. T. Swingle.] 



Boonacker, J. en A. W. Drost. 1907. Rijstcultuur. (Insp. Landb. 

 W. Indie. Bull. N°. 8. Juni 1907. 35 pp.) 



Butler, E. J. 1907. The selection of sugarcane cuttings. (Agric. 

 Journ. India. IL 2. p. 193-201. 3 pl. [1 col.]) 



Calvet, L. E. 1907. Contributions ä l'histoire botanique des Kapo- 

 kiers et ä Futilisation de leurs produits. (Montpellier, 1907. 153 

 pp. 47 figs.) 



Card, F. W., M. A. Blake and H. L. Barnes. 1907. Report of 

 the Horticultural Division. (Ann. Rept. Rhode Island agric. Expt. 

 Stat. [Kingston, R. I.]. XIX. p. 159—175. figs. 1—7 halftone plates). 

 [Destroying Charlock in Grain Fields. Grafting Wax, Lawn Expe- 

 riment, a Market Garden Rotation, a Raspberry Score-card, Ste- 

 rilized Soil, Tent Covering for Vegetables. — W. T. Swingle.] 



Carruthers, J. B. 1907. Report of the Director of Agriculture of 

 the Federated Malay States for the vear 1906. (Kuala Lumpur, G. 

 P. O. 1907. 13 pp.) ' 



Clouston, D. 1907. Artificial fertilizers for cotton in the Central 

 Provinces. (Agric. Journ. India. IL 2. p. 116—122.) 



Diguet, L. 1907. Boissons alcooliques mexicaines tirees des Agaves. 

 (Sc. au 20e Siecle V. 54. p. 161—164. 3 fig.) 



Drude, O. 1907. Aufgaben und Ziele der angewandten Botanik. 

 (Jahrber. Ver. angew. Bot. IV. p. 1 — 19.) 



Endlich, R. 1907. Ueber den gegenwärtigen Stand und die 

 Aussichten der Guayule-industrie. (Tropenpfi. XL 7. p. 449 — 465. 

 4 Abb.) 



Foreman, F. W. 1907. Soils of Cambridgeshire. (Journ. agric. Sei. 

 V. IL 2. p. 161 — 182.) [Deals with common weeds and agricultural 

 Systems of different kinds of soils. — Fritsch.] 



Fräser, S., J. W. Gilmore and J. W. Clark. 1906. Root-Crops 

 for Stock-Feeding. (Bull. Cornell Univ. agric. Expt. Stat. [Ithaca. 

 N. Y.] 1906. 243. p. 45—76. fig. 16—31 and Vignette on title pag.) 

 [Feeding value, yield and proportion of dry matter in prineipal 

 root-crops. — W. T. Swingle. 



Fräser, S., J. W. Gilmore and C. F. Clark. 1907. Culture and 

 Varieties of Roots for Stock-feeding. (Bull. Cornell Univ. agric. 

 Expt. Stat. [Ithaca. N. Y.j 1907. 244. p. 77—122. fig. 31-61 and 

 Vignette on title page.) [Cultivation and utilization of mangels, 

 turnips, kohlrabi and carrots. — W. T. Swingle.] 



Fruwirth, C. 1907. Das Blühen des Getreides. (Jahrb. deutsch 

 Landw. Ges. XXII. p. 68—75.) 



Funatsu, T. 1907. Note on the Composition of a Chrysanthemum 

 flower, serving as food. (Bull. Coli. Agric. Tokyo. VII. 3. p. 469.) 



