142 Botanisches Centralblatt. 



Woodward, R. H. 1914:. Station for fruiting Euphorbia Cyparissias 

 [near New Haven, Ct.]. (Rhodora. XVI. p. 167—168.) 



XIX. Pflanzenchemie. 



Birckner, V. 1912. On a new glucolytic ferment of yeast. (Journ. 



amer. ehem. Soc. XXXIV. p. 1215—1228.) 

 Bourquelot, E., M. Bridel et A. Aubry. 1915. Recherehes sur la gluco- 



sidification de la glycerine par la glucosidase «. (C. R. Ac. Sc. 



Paris. CLXI. p. 41-43.) 

 Frankforter, G. B. 1914. The resins and their chemical relations to 



the terpenes. (Amer. Journ. Pharm. LXXXV. p. 53 — 62.) 

 Kanngiesser, F. 1913. Zur Frage der Schädlichkeit einiger Beeren. 



(Natw. Wschr. N. F. XII. p. 735—736. XIII. p. 512.) 

 Langenhan, H. A. 1914. The alkaloidal content of stramonium leaves. 



(Bull. Univ. Wisconsin. 1914. 738. p. 53—80.) [Referring to several 



species of Datura. — Trelease.] 

 Llyod, F. E. 1912. Tannin coUoid combinations in the persimmon. 



(John Hopkins Univ. Circ. 1912. p. 124.) 

 Llyod, F. E. 1912. The association of tannin with an emulsion col- 



loid in the acorn. (Quercus laurifolia). (John Hopkins Univ. Circ. 



1912. p. 125—128.) 

 Mc Intire, W. H. 1914. The decomposition of soil carbonates. (Science 



N. S. XXXIX. p. 361 — 362.) [Excessive amounts of magnesium 



carbonate were entirely decomposed when left in contact with 



fallow soils in pots protected from leaching. — W. H. Em ig 



(St. Louis).] 

 Miller, F. A. and J. W. Meader. 1912. The alkaloidal content of 



individual plants of Datura stramonium L. and Datura tatula L. 



(Amer. Journ. Pharm. LXXXIV. p. 446—449.) 

 Nestler, A. 1913. Die hautreizende Wirkung des roten Hartriegels 



und der Kornelkirsche. (Die Umschau. 1913. p. 860—861. 2 a7) 

 Power, F. B. 1912, Constituents of some cucurbitaceous plants. 



(Amer. Journ. Pharm. LXXXIV. p. 145—155.) 

 Power, F. B. 1913. The poisonous constituent of the bark of Robinia 



Pseudacacia. (Amer. Journ. Pharm. LXXXV. p. 339—344.) 

 Power, F. B. and A. H. Salway. 1912. Chemical examination of the 



bark of Erythrophloeum guineense. (Amer. Journ. Pharm. LXXXIV. 



p. 337-351. 2 f.) 

 Ulmansky. 1914. Untersuchungen über die Zusammensetzung und 



den Nährwert einiger Futterpflanzen. (Mitt. landw. Lehrkanz. k. k. 



Hochschule Bodenk. Wien. II. p. 467-486.) 

 Warren, L. E. 1912. A note on the poisonous properties of Partheno- 



cissus quinquefolia. (Amer. Journ. Pharm. LXXXIV. p. 51 — 53.) 

 Watson, G. N. 1913. The juice of the bluberry as indicator. (Amer. 



Journ. Pharm. LXXXV. p. 246-247.) 

 Welker, W. H. and J. Marshall. 1913. The precipitation of enz3'mes 



from their Solutions by moist aluminium h3'-droxide. (Journ. amer. 



ehem. Soc. XXXV. p. 822.) 



XX. Angewandte Botanik (technische, pharmaceutisuhe, Landwirt- 



schaftliche, gärtnerische) und Forstbotanik. 



Cf. V. Blakeslee; XIX. ulmansky. 



Anonymus. 1915. Material for plant breeders. (Journ. of Hereditv. 



VI. p. 46-47.) 

 Babcock, E. B. 1915. A new walnut. (Journ. of Heredity. VI. p. 



40—45. 4 f.) 



