1916] HORTICULTURE. 141 



A genetic analysis of horticultural varieties propagated by vegetative 

 means, D. F. Jones {Proc. Soc. Hart. ScL, 12 {1915), pp. lS7-lJtl).—A short 

 paper on this subject in which tlie author advocates an analytic study of 

 plant varieties usually propagated by vegetative means before attempting to 

 improve such plants by breeding operations. 



Myrtaceous possibilities for the plant breeder, P. J, Wester (Pliilijrpine 

 Agr. Rev. [English Ed.], S {1915), No. 3, pp. 207-215).— In continuation of a 

 previous article dealing with the annonas (E. S. R., 29, p. G42) the author 

 here describes 64 species of myrtaceous plants with edible fruit of which 20 

 belong to the genus Psidium, 19 to the genus Eugenia, and scattered species 

 to 13 other genera. The subject matter is presented with the view of calling 

 the attention of horticulturists and breeders to the valuable plant material 

 among the myrtaceous plants. 



Garden calendar for 1916 {Montgomery, Ala.: Agr. and Indus. Dept., Immigr. 

 and llarkets Bur., 1916, pp. 2). — This calendar, which is prepared with special 

 reference to Alabama conditions, contains notes on flower plantings, succession 

 crop combinations for vegetables, and vegetable planting tables. 



Fungicide and insecticide inspection {Maine Sta. Off. Insp. 15 {1916), pp. 

 8). — A report on analyses of 33 samples of fungicides and insecticides analyzed 

 by the station during 1915, with a discussion by A. M. G. Soule. 



[Spraying in Oregon] {Oreg. Agr. Col. Bui. 228 [1916], pp. 33).— This bulle- 

 tin consists of two sections. The first, on Orchard Spraying in Oregon, 1916, 

 by H. P. Bai'ss and A. L. Lovett (pp. 3-24), gives information relative to the 

 more important diseases and insect pests of various orchard fruits and their 

 control, including directions for making spray mixtures. In the second. Spray- 

 ing Machinery, by V. R. Gardner (pp. 25-32), the author calls attention to 

 the adaptation of spray machinery of dilferent types to particular orchard 

 conditions. 



Seport of the experimental fields of the Clianibe\ of Agriculture of the 

 Province of Hanover in Poppenburg for the year 1914, O. Hollmann 

 {Landtv. Jnhrb., 48 {1915), No. 5, pp. 659-716, pis. 10, fig. i).— Experiments 

 conducted with peas, beans, and cabbage in 1914 are reported. The experi- 

 ments deal chiefly with cultural methods, variety tests, and methods of con- 

 trolling diseases. 



Asparagus, R. W. DeBatjn {New Jersey Stas. Giro. 57 {1916), pp. 4). — This 

 circular discusses the method of establishing an asparagus fleld, planting, care 

 the first season, care during and after the cutting season, fertilizers, insect 

 enemies and disease, and harvesting the crop. 



Sand for cabbage seed bed, M. G. Kains {Country Gent., 81 {1916), No. 14, 

 p. 745). — In connection with a study of the effects produced by various soil 

 mixtures on the root development of early cabbage being conducted at the 

 Pennsylvania Experiment Station, preliminary results indicate the desirability 

 of using for the. seed bed a soil composed largely of sand. The sand seems to 

 stimulate the development of roots by forcing them to reach for food and at the 

 same time retards the early development of tops. Because of their strength the 

 plants seem to be able to resist disease to a greater extent than do plants 

 grown by the ordinary methods. 



Studies in lettuce breeding, C. E. Dukst {Proc. Soc. Hort. ScL, 12 {1915), 

 pp. 96-98). — This paper discusses chiefly crosses made at the Illinois Experi- 

 ment Station between open heading and close heading varieties of lettuce. 



Inheritance in tomatoes, G. W. Hood {Proc. Soc. Hart. Sci., 12 {1915), pp. 

 88-95). — The experiments here described were started by the author at the 

 Michigan Experiment Station in 1912 and later continued at the Nebraska Sta- 



