138 Botanisches Centralblatt. 



Smith, E. F. 1912. Etiology of crown galls on sugar beet. .Phvtopa- 



tholog}'. II. p. 270—272.) 

 Smith, E. F. 1914. Identity of the American and French mulberry 



blight. tPhytopathology. IV. p. 34). [Both ascribed to Bacterium 



Mori. — Trelease.] 

 Smith, E. F. 1912. Isolation of pathogenic potato bacteria: a question 



of priority. iPhytopathology. II. p. 213—214.^ 

 Smith, E. F. 1912. The staining of Bact. tamefaciens in tissue. [Phy- 



topathology. II. p. 127—128.) 

 Stevens, N. E. 1912. Polvstictus versicolor as a wound parasite of 



Catalpa. (Mycologia. IV. p. 263—270. 2 pl.) 

 Stevens, N. E. 1912. Wood rots of the hardy Catalpa. (Phvtopatho- 



logy. II. p. 114—119. 1 pl.) 

 Stewart, A. 1914. Notes on the anatomy of the punctalus gall. (Amer. 



Journ. Bot. I. p. 531—546. 2 pl.) 

 Taubenhaus, J. J. 1912. A further study of some Gloeosporiums and 



their relation to a sweet pea disease. (Phytopathology. IL p. 



153-160. ill.^ 

 Weif, J. R. 1912. A Botrytis on Conifers in the Northwest. (Phyto 



pathology. II. p. 215.) 

 Weir, J. R. 1913. An epidemic of needle diseases in Idaho and 



western Montana. Phytopatholog}'. III. p. 252 — 253.) 

 Weir, J. R. 1913. Destructive effects of Trametes Pini and Echino- 



dontium tinctorum. (Phytopatholog3^ III. p. 142.) 

 Wolf, F. A. 1913. An other host for Rhodochytrium. Phytopatho- 

 logy. III. p. 311. [Rhodochytrium spilanthidis on Ambrosia trifida 



in Alabama. — Trelease.] 

 Wolf, F. A. 1913. Internal aecia. (Mycologia. V. p. 303—304. 1 pl.). 



[Referring particularly to the aecia (in Lj'copus) of the sedge rust 



Puccinia angustata. — Trelease.] 

 Wolf, F. A. 1913. Melanose. (Phytopathology. III. p. 190—191.) 



Xiy. Bacteriolo^ie. 

 Cf. XIII. Hörne, Manns, Smith. 



Ambroz. 1915. Cytologische Beiträge zur Morphologie und Aetiologie 



der sog. Involutions- und Degenerationsformen bei Bakterien, 



sowie zur Frage der Teilung derselben. (Vestnik V. sjez. ces. pfir. 



1915. p. 351. Böhmisch.) 

 Bottomley, W. B. 1915. A bacterial test for plant food accessories 



(auximones). (Proc. r. Soc. London. B. LXXXIX. p. 102-108.) 

 Dvorak, S. 1915. Beitrag zum Studium der Reduktionsvorgänge, die 



durch Bakterien hervorgerufen sind. (Vestnik V. sjez. ces. prir. 



1915. p. 432. Böhmisch.; 

 Fester, M. L. 1913. A comparative study of the metabolism of Pneu- 



mococcus, Streptococcus, Bacillus lactis erythrogenes and Bacillus 



anthracoides. fjourn. amer. chem Soc. XXXV. p. 916 — 919.) 

 Foasek, A. 1913. Ueber die Rolle der Streptotricheen im Boden. 



(Mitt. landw. Lehrkanz. k. k. Hochschule Bodenk. Wien. I. p. 



217—244.: 

 Fred, E. B. A. 1911 12. A phvsiological studv of the legume bacteria. 



rRep. Va. agr. Exp. Stat. 1911/12. p. 145-173.) 

 Gainey, P. L. 1914. Real and apparent nitrifying powers. (Science. 



N. S. XXXIX. p. 35-37.) 

 Kellerman, K. F. and L. T. Leonard. 1913. The prevalence of Bacillus 



radicicola in soil. (Science. N. S. XXXVIII. p. 95-98.) 



