ArniL, 1020] lioKTK t i.ti BE 155 



HORTICULTURE. 



J. H. Gourlet, Editor 



1049. Addis, Jose M. Una verdura saludable : la acedera. [Sorrel, a healthful vegetable.] 

 Revist. Agric. Com. y Trab. 2: 281. / fig. 1919. 



1050. Anonymous. Revised compatibility chart of insecticides and fungicides. .' 

 Zealand Jour. Agric. 18: 39-40. 1919 .—See Bot. Absts. 3, Entry 1 1 Is. 



1051. Anonymous. The home orchard. New Zealand Jour. Agric. 18: -10 — 1-1 . M»19. — 

 Brief recommendations regarding sprays, spray pumps, and time and method of applications. 

 Special instructions are given for codlin-moth, scale insects, woolly aphis, red mite, and 

 fungus blights. — A r . J. Giddings. 



1052. Arcangeli, Giovanni. Altre osservazioni sulle varietfi Lycopersicum e costata del 

 "Diospyros Kaki." [Further observations on the varieties Lycopersicum and costata of the 

 "Diospyros Kaki."] Bull. R. Soc. Toscana Orticult. 4:24-29. 1919.— Notes on two varie- 

 ties of Diospyros Kaki (Lycopersicum and costata), with especial reference to the falling 

 the partially developed fruits. [See also following entry, 1053.] — W. H. Chandler. 



1053. Arcangeli, Giovanni. Altre osservazioni sulle varietS Lycopersicum e costara del 

 "Diospyros Kaki." [Further observations on the varieties Lycopersicum and costata of the 

 Diospyros Kaki.] Bull. R. Soc. Toscana Orticult. 4:45-49. 1919. — Two persimmons were 

 left in water from November 10 to March 10 and the fungus that appeared was described 

 without specific determination; and two were placed for an equal length of time in strong 

 sodium chloride solution and their behavior noted. There are also further notes on the 

 behavior of the two varieties of Diospyros Kaki. [See also preceding entry, 1052.] — W. II . 

 Chandler. 



1054. Barthe, A. E. Cultivo industrial de la higuereta. II. Explotacion industrial.— 

 Extraccion del aceite. [Castor bean, machinery used and mothods of extracting oil.] Revist. 

 Agric. Com. y Trab. 2: 13-24. 14 fig. 1919. — The content of oil of different varieties is 

 discussed. The machinery used and the methods of extraction, clarifying and purifying oil 

 in different countries are described with critical comments. The uses of the oil and 

 chemical and physical properties are described as also those of various by-products. In 

 appendix A, the geometrical arrangements possible of the plants in the field are discussed. — 

 F. M. Blodgett. 



1055. Bean, W. J. Malus rivularis. Curtis Bot. Mag. 15: PI. 8798 (colored). 1919— See 

 Bot. Absts. 3, Entry 2311. 



1056. Bocher, M. H. Les jardins portagers scolaires en 1917. [School vegetable gar- 

 dens in 1917.] Compt. Rend. Acad. Agric. France 3:1086-1091. 1917.— A succinct state- 

 ment of the work accomplished by boys and girls in growing vegetables on waste land and in 

 helping to relieve the shortage of labor. It is estimated that these workers harvested a mini- 

 mum of 500,000 kilos, .potatoes and not less than this quantity of beans, cabbage, can 

 and turnips. — O. Butler. 



1057. Brann, F. R. Factors concerning the drop of immature citrus fruit in central Cali- 

 fornia. Monthly Bull. Comm. Hort. California 2:74-75. 1919— Two distinct 'dr 

 occur during the early development of citrus fruits; the first, known as the "natural slough. 

 which occurs when the fruit is first formed in April, is of greater economic importance, and 

 the "June drop," which occurs when the fruits are about the size of hazelnuts. The stem is 

 dropped with the fruit during the "natural slough" and retained by the tree during the 

 "June drop." The factors which are largely responsible for the "natural dough" are: 

 (1) Excessive transpiration of moisture. (2) Plowing and deep cultivation during the spring. 



