332 INDEX TO AMERICAN BOTANICAL LITERATURE 
Vries, H. de. Uber sesquiplex-Mutanten von Oenothera La- 
marckiana. Zeits. Bot. 15: 369-408. 1923. 
- Vries, H. de, & Boedijn, K. .On the distribution of mutant 
characters among the chromosomes of Oenothera Lamarcki- 
ana. Genetics 8: 233-238. f.1z. My 1923 
Waby, J. F. Chrysalidocarpus glaucescens Waby (Palmae-Are- 
ceae). Kew Bull. Misc. rt 1923:.376. 7 1923. 
New species from Trinidad. 
Wakefield, F. W. A biometric study of the conidia of Mac- 
rosporitum and Aliernaria. Pap. & Proc. Roy. Soc. Tas- 
mania 1922: 27-31. 1923. 
Walton, J. On the structure of a middle Cambrian Alga from 
British Columbia (Marpolia spissa Walcott). Proc. Cam- 
bridge Phil. Soc., Biol. Sci. 1: 59-62. 1.5 +f.7. Au 1923. 
Weir, J. R. Fomes roseus (A. & S.) Cke. and Trametes subrosea 
nom. nov. Rhodora 25: 214-220. 
Werdermann, E. Uber die Gattung Teratonema Syd. Ann. 
Mycol. 21: 336-339. 1923. 
Werkenthin, F.C. Description and key of the genus Cucurbita. 
Proc. lowa Acad. Sci. 29: 281-290. f. 1-3. 1922. 
Werkenthin, F.C. The founders of the art of plant breeding. 
Proc. lowa Acad. Sci. 29: 291-310. 1922. 
Whetzel, H. H. The Alternaria blight of potatoes in Bermuda. 
Phytopathology 13: 100-103. f. 1. 27 F 1923. 
Wilson, E. H. Travel tales of a plant collector—XII. The | 
tropics of the new world. Mexico’s gift of the gorgeous 
poinsettia—West Indian plants that make men dumb—a 
water flower from the Orinoco with leaves five feet by six. 
Gard. Mag. 38: 355-359. “F” Ja 1924. [lllust.] 
Wilson, B. D. The effect of plants on the concentration of 
drainage water from the Cornell lysimeters. Soil Sci. 16: 
427-432. 1) 1923. 
Wright, C. H. Pita and silk grass. Kew Bull. Misc. Inform. 
1923: 266, 267. 1923. 
