166 Botanisches Centralblatt. 



Barss, H. P. 1913. Mushroom rot of tree and small fruits. (Oregon 



agr. Exp. Stat. Biennial Crop. Pest & Hort. Rep. I. p. 226—233. 



ill.) [Referring to Armillaria mellea. — Trelease.] 

 Bayer, E. 1915. Hälky nasich ovocnych Stromu. Prehledny klic kjich 



urceni. [Die Gallen unserer Obstbäume. Ein übersichtlicher Schlüs- 

 sel zu deren Bestimmung]. (Jahrber. II. tschech. Staatsgymn. Brunn. 



XIV. p. 3—10. Tschechisch.) 

 Brown, N. A. 1915. A bacterial disease of lettuce. (Journ. agr. Res. 



IV. p. 475—478.) 

 Bryan, M. K. 1915. A Nasturtium wilt caused by Bacterium solana- 



cearum. (Journ. agr. Res. IV. p. 451—457. 4 pl.) 

 Doidge, E. M. 1915. A bacterial disease of the mango. Bacillus man- 



giferae, n. sp. (Ann. appl. Biol. IL p. 1—43. 14 pl.) 

 Gassner, G. 1915. Die Getreideroste und ihr Auftreten im subtro- 

 pischen östlichen Südamerika. (Cbl. Bakt. 2. XLIV. p. 305-381.) 

 Hedgcock, G. G. and W. H. Long. 1915. A disease of pines caused 



by Cronartium pyriforme. (Bull. U. S. Dep. Agr. 1915. 247.) 

 Hesler, L. R. 1915. Apple cankers and their control. (Circ. Cornell 



Univ. agr. Exp. Stat. 1915. XXVIII. p. 17-28. ill.) 

 Hörne, A. S. 1915. The control of peach leaf curl. (Journ. r. hört. 



Soc. London. XLI. p. 110—114. 1 f.) 

 Jackson, H. S. 1915. A Pacific Coast rust attacking pear, quince, etc. 



(Oregon, agr. Exp. Stat. Biennial Crop, Pest & Hort. Rep. II. p. 



204—212. 3 f.) [Referring to Gymnosporangium Blasdaleanum and 



essentially a reprint of an article in Phytopathology. IV. p. 262— 269. 



Aug. 1914. — Trelease.] 

 Jackson, H. S. 1913. Apple tree anthracnose. (Oregon agr. Exp. Stat. 



Biennial Crop, Pest & Hort. Rep. I. p. 178—197. ill.) 

 Jackson, H. S. 1913. Diseases of drupaceous fruits. (Oregon agr. Exp. 



Stat. Biennial Crop, Pest & Hort. Rep. I. p. 248—259. ill.) [This and 



the preceding are comprehensive and largely illustrated from 



photographs. — Trelease.] 

 Jackson, H. S. 1913. Diseases of pomaceous fruits. (Oregon agr. Exp. 



Stat. Biennial Crop, Pest & Hort. Rep. I. p. 233-248. ill.) 

 Jackson, H. S. 1913. Diseases of small fruits. (Oregon agr. Exp. Stat. 



Biennial Crop, Pest & Hort. Rep. I. p. 261—270. ill.) 

 Jackson, H. S. 1913. Field crop diseases. (Oregon agr. Exp. Stat. 



Biennial Crop, Pest & Hort. Rep. I. p. 291-308. ill.) 

 Jackson, H. S. 1913. Fire blight of pear and apple. (Circ. Bull. Oregon 



agr. Exp. Stat. 1913. 7.) [Referring to Bacillus amylovorus. — 

 Trelease.] 

 Jackson, H. S. 1915. Notes, observations and minor investigations on 

 plant diseases. (Oregon agr. Exp. Stat. Biennial Crop, Pest & Hort. 



Rep. IL p. 261-283. ill.) 

 Lefroy, H. M. 1915. On keeping orchards clean. (Journ. r. hört. Soc. 



London. XLI. p. 28—39. 11 pL) 

 Massee, G. 1915. Some observations on the study of plant pathology. 



(Journ. econ. Biol. X. p. 29—48.) 

 Mosher, F. H. 1915. Food plants of the gipsy moth in America. (Bull. 



U. S. Dept. Agr. 1915. 250.) 

 Robinson, W. 1915. Black neck or wilt disease of asters. (Ann. appl. 



Bot. IL p. 125—136. 2 pl.) 

 Rose, D. H. 1915. Oxidation in healthy and diseased apple bark. (Bot. 



Gaz. LX. p. 55-65.) 

 Rutgers, A. A. L. 1915. Ziekten en plagender cultuurgewassen. (Med. 

 Lab. Plantenziekten. Batavia. 1915. 15. 45 pp.) 



