56 INDEX TO AMERICAN BOTANICAL LITERATURE 
Whetzel, H. H. Onion blight. Cornell Univ. Agric. Exp. Sta. Bull. 
218; 135-161. f. I-17. Ap 1904. 
Winkler, H. Betulaceae. Das Pflanzenreich 4°: 1-149. fl. 7,2 +/. 
z-28. 17 Je 1904. 
Winton, A. L. _The anatomy and microscopic identification of the 
fruits of darnel and chess. Rep. Conn. Agric, Exp. Sta. 1903: 
165-174. f. 1-8. [1904. ] 
Winton, A. L. The anatomy of certain oil seeds, with especial refer-° 
ence to the microscopic éxamination of cattle foods. Rep. Conn. 
Agric. Exp. Sta. 1903: 175-198. f. 9-26. [1904.] 
Wood, L. H. Report on the region between the Northern Pacific 
Railroad and the Missouri river. Its topography, climate, vegetation, 
irrigation possibilities and coal deposits. State Geol. Surv. No. 
Dak. Bienn. Rep. 3: 41-125. p/. 8-24 -+ map. 1904. 
Vegetation in the region, pages 80-87. 
Woods, A. F. Observations on the mosaic disease of tobacco. U. 5. 
Dept. Agric. Pl. Ind. Bull. 18: 1-24. pl. 1-6. 15 My 1902. 4 
Wooton, E. 0. Native ornamental plants of New Mexico. N. Mex. — 
Agric. Exp. Sta. Bull. 51: 1-40. 1904. [Illust. ] . 
