f 



19161 HORTICULTURE. 345 



oil, or about 12.86 lbs. of pure thymol, per acre from first-year plantings may 

 be regarded as a fair crop. The estimated returns based on the work done 

 thus far show that a profit of about $16 per acre may be expected as an average 

 for a 5-year period. Hence, it is concluded that the production of thymol might 

 be profitable when grown in connection with other oil-yielding plants for which 

 a distilling apparatus is required. 



Beautiful gardens in America, Louise Shelton {New York: Charles Scrib- 

 ner's Sons, 1915, pp. X17-f [87], pis. 135).— Ku illustrated work in which are 

 shown types of American gardens, covering all sections of the country. The 

 aim has been to show those gardens which represent the development of the 

 owner's ideal rather than imitations of foreign types of formal gardens. 



Every woman's flower g'arden, Mary Hampden {New York: Duffleld d Co., 

 1915, pp. JX-\-353, pis. 5, figs. 83). — A popular treatise on ornamental gardening 

 with suggestions relative to garden design and plants for different types of 

 gardens. 



Notes on new plants and plants not well known, W. Hunt {Ann. Rpt. Hort. 

 Socs. Ont., 10 {1915), pp. 51-64, fiffs. 2). — This comprises a brief review of some 

 of the newer or less-known plants that have been tested in the flower borders 

 and grounds of the Ontario Agricultural College during the past five years. 

 Special attention is given to those that have proved to be most adapted for 

 the amateur's garden. 



Popular hardy perennials, T. "VV. Sanders {London: W. H. t€ L. Collingridge, 

 [1916], pp. [6]+410, pis. 17, figs. 2^2).— This work deals with popular hardy 

 perennials relative to their cultivation in beds, borders, the wild and woodland 

 garden, and by the water side. The propagation of hardy perennials is also 

 discussed, and descriptions given of the most attractive, useful, and easily 

 grown genera, species, and varieties. 



Breeding' Nephrolepis ferns, S. Boshnakian {.Jour. Heredity, 7 {1916), No. 

 5, pp. 225-236. figs. 8). — An account of the Nephrolepis ferns with reference to 

 the development of different types of sports and methods of propagating and 

 disseminating them. 



The history, development, and propagation of the lilac, J. Dunbar {Ann. 

 Rpt. Hort. Socs. Ont., 10 {1915), pp. 75-81).— An address before the Horti- 

 cultural Societies of Ontario, 1915, in which the author discusses the history of 

 the lilac and the development of the present improved types. A selection is 

 given of the most distinct varieties of lilacs. 



Preliminary experiments in poppy breeding, R. Ranninger {Ztschr. Pflan^ 

 zenziiclit., 4 {1916), No. 1, pp. 45-64). — The results are given of some breeding 

 and selection experiments with poppies, conducted in 1914 and 1915. 



The American rose annual, edited by J. H. McFarland {Harrishurg, Pa.: 

 American Rose Society, 1916, pp. 153, pis. 10, figs. 7). — This is the fir.st of a 

 series of annuals to be published by the American Rose Society. It discusses 

 the aims and purposes of the society and contains articles dealing with 

 varieties, the adaptation of the rose to extended uses, rose breeding, the literature 

 of the rose, the enemies of the rose, rose gardens in different parts of the 

 United States, the value of local rose organizations, cut flower rose growing, 

 and the work of the American Rose Society. A partial list is given of American 

 hybridized roses, with parentage and date of introduction so far as ascer- 

 tainable. 



The best hardy conifers, E. H. Wilson {Gard. Mag. [N. Y.], 22 {1915), No. 

 5, pp. 145-150, figs. 18). — Descriptive notes are given on a large number of hardy 

 conifers adapted for ornamental planting. 



