IFOEESTRY. 741 



ervfition of nut-bearing forests, top-working, trees suital)le f(»r top-working, 

 how to top-work7 top-working the hickory with the pecan, planting, cultivation, 

 bearing age, present prices of the nuts, marketing pecans, the selection of 

 varieties, " papershell " pecans, and varieties. 



Included in the discussion of varieties are lists of varieties which have 

 proved most promising in different sections of the pecan region, together with 

 descriptions of the more important varieties taken largely from Bulletin 251 

 of the Bureau of Plant Industry, previously noted (E. S. R., 27, p. 645). 



Intensive cultivation of ornamental plants, M. Gajon {Estac. Agr. Cent. 

 [Mexico] Bol. 9-12 {1914), pp. 102, figs. 41). — A popular treatise with special 

 reference to Mexican conditions. Descriptive notes are given on flowering 

 and other ornamental plants suitable for culture in pots or in gardens. 



Climbing' plants, W. Watson (Lottdon and Edinhurgh: T. C. & E. C. Jack 

 [IDWl. pp. X+132, pis. 24)- — A popular treatise on climbing ornamental plants, 

 discussing the various classes of climbers, their adaptation, and specific cultural 

 requirements. 



The dafEodil yearbook, 1915 (London: Roy. Hort. Soc, 1915, pp. VII +135, 

 pis. 33). — A compendium of articles by various authorities, dealing with dif- 

 ferent phases of daffodil culture, new varieties, breeding work, adaptation of 

 daffodils for various situations and purposes, dates of flowering of different 

 varieties, reports of shows, and other information. A bibliography on daffodils 

 is appended. 



The amateur orchid cultivators' g'uide book, H. A. Bukberry (Liverpool: 

 Blake <& Mackenzie, Ltd., 1915, 4. ed., pp. VIII +182, pis. 9, figs. 24).— A text- 

 book and guide to the study of orchids and their culture. 



In addition to cultural directions for orchids in general, information is 

 given relative to specific requirements of various classes of orchids, together 

 with lists of varieties that may be grown in cool, intermediate, and warm 

 greenhouses. The present edition of the work embodies the results of re- 

 cent experiences in orchid culture, and includes a new chapter on the culture 

 of Odontoglossum crispum. Instructions for the treatment of orchids through- 

 out the year are presented in tabular form and a number of questions and 

 answers relating to orchids are included. 



The home grounds, E. G. Davis and R. W. Curtis (New York Cornell Sta. 

 Bui. 361 (1915), pp. 293-435, figs. 61).— In part 1 of this bulletin the first-named 

 author discusses some elemental principles and furnishes concrete directions 

 dealing with the arrangement of the home grounds. Consideration is given to 

 the house, roads, and walks, and other surroundings; grading and planting; 

 improving the outlook ; nature and character of plantings ; selection of trees ; 

 the use of shrubs ; and flower gardens. In part 2 the last-named author has 

 pi'epared lists of plant materials to be used in selecting the proper trees, shrubs, 

 and smaller growths suitable for home grounds. The lists are prepared with 

 due reference to various types of planting; different soil, light, and moisture 

 conditions ; and for securing different effects with reference to color of foliage, 

 fruit, flower, etc. 



A historical sketch of the Royal Botanic Gardens, Peradeniya, H. P. Mac- 

 MiLLAN (Trop. Agr. [Ceylon], 46 (1916), No. 1, pp. 4-9, pis. 4). — A brief resumg 

 of the development of the Royal Botanic Gardens since their location in Pera- 

 deniya in 1821. 



FORESTRY. 



Woodlot conditions in Broome County, New York, F. B. Moody and J. 

 Bentley, Jr. (Netv York Cornell Sta. Bui. 366 (1915), pp. 227-24Jf, figs. 6).— 

 This bulletin embraces the results of a survey of woodlot conditions conducted 



