534 INDEX TO AMERICAN BOTANICAL LITERATURE 
Van Hook, J.-M. Indiana fungi—III. Proc. Indiana Acad. Sci. 
IQIS5: 141-148. 1916. 
Van Pelt, W. Black mold of onions. Ohio Agr. Exp. Sta. Monthly 
Bull. 2: 152-156. My 1917.” [IIlust.] 
“A new fungous disease causing serious damage in storage houses. 
Waggoner, H. D. The viability of radish seeds (Raphanus sativus L.) 
as affected by high temperatures and water content. Am. Jour. 
Nat. 4: 299-313. f. 1. 31 My 1917. . 
Waller, A.E. Xenia and other influences following fertilization. Ohio 
Jour. Sci. 17: 273-284. Je 1917 
Weimer, J. L.. The origin and Nevers! of the os produced by 
two cedar rust fungi. Am. Jour. Bot. 4: 241-251. pl. 12-16 +f. 7. 
Ap 1917. 
Weir, J.R. Montana forest tree fungi—I. Polyporaceae.. Mycologia 
9: 129-137. pl. 6. 9 Je 1917. 
Weir, J. R. Note on Xylaria bolymorpha and X. digitata. Phyto 
pathology 7:. 223, 224: 2 Je 1917. 
: Weir, J.R. Sparassis radicata, an undescribed fungus on the roots of 
‘conifers. Phytopathology 7: 166-177. f. I-5. 2 Je 1917 
Weir, J. R., & Hubert, E..E; -Receit cultures of forest tree rusts. 
Phytopathology 7: 106-1009. Ap 1917. 
Wiegand, K. M. A new species of Eragrostis of the Old World and 
North America. Rhodora 19: 93-96. 5 Je 1917. 
Eragrostis peregrina sp. nov 
Wilson, O. T.. A plant eimbraie for demonstrating osmosis. Science 
II. 45: 388, 389. 20 Ap 1917. 
Wolf, F. A., & Cromwell, R. O. Xylaria rootrot of enue Jour. Agr. 
Research 9: 269-276. pl. 3 + j.'i-2. BEMY 1 
Zeller, S. M. Studies in the physiology of the ah Physical 
properties of wood in relation to decay induced by Lenzites saepiaria 
Fries. Ann. Missouri Bot. Gard. 4: 93-164. pl. o-13 +f. r+ 
charts I-11. Ap 1917. 
Zimmermann, C. Contribuigao para o estudio das diatomaceas dos 
estados unidos do Brazil. _Broteria 12: 5-i2. Ap 36i4-82: 60-71. 
1 D 1915; 14: 85-103. 1 Au 1916; 14: 130-157. 1 D 1916. 
