68 INDEX TO AMERICAN BOTANICAL LITERATURE 
Vaupel, F. Die Gattung Epiphyllum und ihre Verwandten. Monats. 
Kakteenk. 23: 114-118. 15 Au 1913. 
Vaupel, F. Cereus Dybowskit Rol.-Goss. Monats. Kakteenk. 23: 155, 
156. 15 O 1913. 
Vaupel, F. Die Gattung Borzicactus Riccob. Monats. Kakteenk. 23: 
163; 162. 35. 1913: 
Visher, S. S. Plants of the South Dakota sand hills. Am. Bot. 19: 
g1-94. Au 1913. 
Vries, H. de. Gruppenweise Artbildung unter spezieller Beriicksichti- 
gung der Gattung O6cnothera. i-vi + 1-305. pl. 1-18 +f. I-121I. 
Berlin, 1913. 
Warren, L. E. Some observations on the pollen of poison sumach. 
Am. Jour. Phar. 85: 545-549. D 1913. 
Watts, F., and others. Report of the Agricultural Department, Do- 
minica 1912-1913: I-47. f. I-6. 1913. 
Includes certain notes on fungus diseases. 
Weatherby, C. A. Some new combinations required by the inter- 
national rules. Proc. Am. Acad. Arts and Sci. 49: 492. O 1913. 
Weatherby, C.A. Wayside ferns of the Dolomites. Am. Fern Jour. 3: 
4-9. 32 Mr 197%. 
Weidlich, E. Mamillaria echinoidea Quehl und Mam. glanduligera 
Dietrich. Monats. Kakteenk. 23: 146, 147. 15 O 1913. [Illust.] 
Weingart, W. Cereus Linkii Rol.-Goss. Monats. Kakteenk. 23: 
167-169. 15 N 1913. 
Weingart, W. Cereus trigonus Haw. var. guatemalensis Eichlam. 
Monats. Kakteenk. 23: 155. 15 O 1913. [Illust.] 
Weir, J. R. An epidemic of needle diseases in Idaho and western 
Montana. Phytopathology 3: 252, 253. Au 1913. 
-Wernham, H. F. New Rubiaceae from tropical America—III. Jour. 
Bot. 51: 320-324. N 1913 
Includes Portlandia pacha P. uliginosa, Alseis Gardneri, Cosmibuena 
gorgonensis, C. gardenioides, Chiococca erubescens, C. pulcherrima, C. capitata, and 
C. pachyphylla, som nov. 
Wieland, G. R. The Liassic flora of the Mixteca Alta of Mexico,— 
its composition, age, and source. Am. Jour. Sci. IV. 36: 251-281. 
Jad 2. Tots: 
Winslow, E. J. Ferns of northern Berkshire County, Massachusetts. 
Am. Fern Jour..3:.13-16. 22 Mr 1913. 
Winslow, E. J. Double sori in Athyrium. Am. Fern Jour. 3: 88-92. 
i i,m S 1934. 
