218 INDEX TO -AMERICAN BOTANICAL LITERATURE 
Weir, J.R. Notes on the altitudinal range of forest fungi. Mycologia 
10: 4-14. 14 F 1918. 
Weir, J.R. A short review of the general characteristics and cytological 
phenomena of the Uredineae, with notes on a variation in the 
promycelium of Coleosborium pulsatillae (Str.). New Phytol. 11: 
129-139. Ap 1912. 
Weir, J. R. Some problems in conservation with reference to forest 
hygiene. The Timberman. So Sk SOT 
Treats of wood-destroying fungi. 
Weir, J.R., & Hubert, E.E. Cronartium coleosporioides on Pedicularis 
groenlandica. Phytopathology 8: 63. 25 F 1918. 
Weir, J. R., & Hubert, E.E. A note on Hyalopsorae. Phytopathology 
&: 47,38. 24 Ja 1918. 
Weir, J. R., & Hubert, E. E. Notes on the overwintering of forest 
tree rusts. Phytopathology 8: 55-59. ' 25 F 1918. 
Wherry, E. T. Observations on the habitat of certain ferns. Am. 
Fern Jour. 7: 110-112. 23 F 1918. 
White, O. E. Studies of inheritance in Piswm—II. The present 
state of knowledge of heredity and variation in peas. Proc. Am. 
Philos. Soc. 56: 487-588. 8 D 1917. 
Wolf, F. A., & Foster, A. C. Bacterial leaf spot of tobacco. Science 
II. 46: 361, 362. 12019 
Wolf, F. A., & Stanford, E. E. A Macrophoma disease of figs. ,. Phyto- 
pathology 8: 24-27. f. 1, 2. 24 Ja 1918. 
Woodward, K. W. Tree growth and climate in the United States. 
Jour. Forestry 15: 521-531. My 1917. 
Wright, C. H. Orthrosanthus chimboracensis. Curt. Bot. Mag. IV. 
Wuist, E. D. Apogamy in Phegopteris a cage a Fée, Osmunda 
cinnamomea L., and O. Claytoniana L. . Gaz. 64: 435-437. 
16 N 1917. 
Wylie, R. B. Cleistogamy in Heteranthera dubia. Bull. Lab. Nat. 
Hist. State Univ. Iowa 7!: 48-58. pl. rr. 1917. : 
Zimmerman, H. E. How Brazil nuts grow. Am. Bot. 23: 88, 89. 
Au 1917. [Illust.] : 
Zimmerman, H.E. A novel Hiniper tree. Am. Bot. 23: 130. N 1917. 
[Ilust.] 
Zinn, J., & Surface, F. M. Studies on oat breeding —V. The F, and 
_ F2 generations on a cross between a naked and a hulled oat. Jour. 
on Research 10: 293-312. pl. 39-47. 6 Au 1917. 
