238 EXPERIMENT STATION RECORD. 



27, pi. 1). — A progress report on forest administration in Britisli India, includ- 

 ing a financial statement for the year 1912-13. Data relative to forest areas, 

 working plans, protection, forest surveys, yields in major and minor forest 

 products, revenues, expenditures, etc., are appended in tabular form. 



[Report of the] forestry section, W. 11. Rutteb {Ann. Rpt. Bot., Forestry, 

 and .Set. Dcpt. Uganda, lOl^. PP- 7-13). — A brief progress report of forest opera- 

 tions in the Uganda Protectorate for the year ended March 31, 1914. 



Annual report of subdepartment of forests, S. A. Wood (RptH. Finance, 

 Admin., ami 0(mdition Sudan, 1913, "vol. 2, pp. 1G5-189). — A progress report on 

 the administration, management, and exploitation of the forests of the Sudan, 

 including a financial statement for the year 1913. 



Forest products of Canada, 1913. — Poles and cross-ties, R. G. Lewis and 

 W. G. H. BoYCE (Dept. Int. Canada, Forestry Branch Bui. ^1 (1914), pp. 16, 

 figs. 2). — ^A statistical account of the poles and cross-ties purchased in Canada 

 during the calendar year 1913. In addition to the number and value, the poles 

 and cross-ties are listed with respect to kinds of wood and chief uses, with 

 comparative data for 1912. 



Report of the fifteenth convention of the Canadian Forestry Association, 

 held at Winnipeg, Manitoba, July 7—9, 1913 {Rpt. Canad. Forestry Assoc, 

 15 {1913), pp. 118, pis. Jf, figs. 19). — This report includes the addresses and 

 papers covering various phases of forestry as presented at the convention. 



DISEASES OF PLANTS. 



Plant pathology, R. E. Smith {California Sta. Rpt. 19U, pp. 1.39-U2).— 

 The author gives an outline report of investigations in progress, dividing them 

 into physiological plant diseases and those due to definite organisms. 



Among the first class are mentioned studies on the internal brown streak 

 of the potato, the little leaf of the cherry and other trees, exanthema or die- 

 back of the olive and other trees, and curly top of the sugar beet. Of the dis- 

 eases due to definitely known organisms, descriptions are given of the rot 

 caused by Armillaria mellea, walnut blight, bean rust, pear canker, asparagus 

 diseases, and wood decay of orchard trees, with suggestions for their pre- 

 vention. 



[Investigations of plant diseases], H. J. Webber {California Sta. Rpt. 1914, 

 pp. 67-72). — ^A report is given outlining work in plant diseases at the Citrus 

 Substation. Among the investigations in progress are studies of the infectious- 

 ness of the crown gall organism, lemon decay fungi, black pit of lemons, gum 

 diseases of citrus and other fruit trees, a new disease of English walnut trees, 

 mottling of citrus trees, fruit spots and stains, and nematode diseases. 



Diseases of cultivated plants in Westphalia and their control, A. Spieckeb- 

 MANN {Vcroffcntl. Landw. Kammer Pror. WcstfaJcn. No. 17 [1914], PP- 56, 

 figs. 17). — This is an indexed report for the years 1910, 1911, and 1912, includ- 

 ing a discussion of outbreaks, symptoms, causes, results, and treatments of 

 diseases affecting various grains, tubers, roots, forage and garden plants, fruit 

 trees with their products, etc., and giving also a tabulation of rainfall at eight 

 stations during each month of the three years. 



Report on the diseases observed at the phytopathological laboratory of 

 the National Museum of Rio Janeiro, A. Maublanc {Intcniat. Inst. Agr. 

 [Rome], Mo. Bui. Agr. Intel, and Plant Diseases, 4 {1913). Xo. 6. pp. 858-861; 

 ais. in Bot. Centbh, 123 {1913), No. 26, p. 672).— The author lists, with brief 

 discussion, some of the more important and widely extended fungi parasitic on 

 sugar cane, cotton, grapes, rice, wheat, etc., as reported from the southern States 

 of Brazil since the founding of the phytopathological laboratory in 1910. 



