HORTICULTURE. 337 



and cultural operations ; yield, harvesting, methods and cost of making copra ; 

 enemies of coconuts and means of combating them ; and profits. Data are 

 given showing the estimated cost of establishing a 2,500-acre coconut planta- 

 tion on rented land and covering a period of 8 years. 



Yield and cultural value of a number of hazelnuts, E. Gross (Osterr. 

 Gart. Ztg., 6 (1911), Wo. 12, pp. U1-U3) .—This comprises chiefly tabular data 

 showing the yields of several different varieties of hazelnuts in 1911 and the 

 total yield of each variety from the time it commenced to bear. 



Pecans, W. N. Hutt {Bui. N. C. Dept. Agr., 32 {1911), No. 9, pp. 46, figs. 

 39). — This is the second report on the behavior of pecan trees throughout the 

 State of Norrh Carolina (PL S. R., 22, p. 144) and deals especially with the 

 results obtained on the experimental orchards of the state test farms. General 

 consideration is given to the adaptability of pecans to different soils and situa- 

 tions, planting operations, and culture, and tabular data are give for 27 va- 

 rieties showing the budding period, growth performance, period of maturity, 

 and winter condition of twigs and terminals for the season of 1910. The 

 varieties are also described and for the most part illustrated. The results of 

 a cracking test, together witli chemical analyses of the kernels of a number of 

 varieties, are also tabulated. 



An aberrant walnut, I. D. Cardiff (Trans. Kans. Acad. 8ci., 23-24 

 (1909-10), p. 138). — A brief note on some nuts borne on trees, apparently 

 Juglans nigra, reported from northern Indiana and southern Tennessee, which 

 in their general characteristics appeared to be hybrids between the walnut 

 and hickory. Experiments are being conducted with material from these trees. 



Rhododendrons and azaleas, W, Watson (London and Edinburgh [1911], 

 pp. XI+116, pis. 8). — This popular work deals with the cultural requirements 

 of rhododendrons, giving information relative to various species, varieties, 

 and hybrids. 



Commercial rose culture, E. Holmes (New York, 1911, pp. 165, pi. 1, figs. 

 62). — A practical guide to the modern methods of growing roses under glass 

 and outdoors for market purposes. 



The perpetual flowering carnations, M. Calvino (Estac. Agr. Cent. [Mexico] 

 Bol. 62, 1911, pp. 28, pis. 26). — A popular treatise on the culture of green- 

 house carnations. 



The bulb book, J. Weathers (London, 1911 pp. XV-\-471, figs. 342). — ^A 

 treatise on bulbous and tuberous plants for the open air, stove, and greenhouse, 

 containing particulars as to descriptions, culture, propagation, etc., of plants 

 from all parts of the world having bulbs, corms, tubers, or rhizomes, with the 

 exception of orchids. 



Introductory considerations deal with the general cultural treatment under 

 glass and out-of-doors, together with a classification of bulbous and tuberous 

 plants. The greater part of the work is devoted to descriptions of the genei'a 

 and species, arranged in alphabetical order with specific cultural notes. 



What England can teach us about gardening, .W. Miller (Garden City, 

 N. Y., 1911, pp. XVIII +359, pis. 111).— This popular work, the chief purpose 

 of which is to inspire people to make more and better gardens, comprises a com- 

 parative study of gardening in England and America. Consideration is given 

 to the various types of gardening, such as landscape, formal, wild, water, rock, 

 peat, and rose gardening. The author shows how large sums of money are 

 wasted in this country on unsuitable European material and in attempting 

 effects that never can be imitated. He aims also to show how the best English 

 effects can be produced in spirit at least by using long-lived plants from 

 America and the Far East (Japan, China, and Korea). 



