132 INDEX TO AMERICAN BOTANICAL LITERATURE 
Wiegand, K. M. Variations of Carex annectens. Rhodora 24: 
73, 74. 20 Je 1922. 
C. annectens var. xanthocarpa n,. comb. 
Wilson, C. L. Lignification of mature phloem in herbaceous 
types. Am. Jour. Bot. 9: 239-244. pl. 13. 21 Je 1922. 
. Wilson, E.H. Notes from Australasia—III. The Hobart Bot- 
anical Gardens. Jour. Arnold Arbor. 3: 51-55. Jl 1921. 
Wolf. F. A. Additional hosts for Bacterium solanacearum. 
Phytopathology 12: 98,99. 45 Ap 1922. 
Wolf, F. A. A leafspot disease of tobacco caused by Ph yllostici t 
mcotiana E. and E. Phytopathology 12: 99-101. 25 Ap 
1922. 
York, H. H., & Snell, W. H. Experiments in the infection of 
Pinus strobus with Cronartium ribicola. Phytopathology 
12: 148-150. 6 Je 1922. 
Young, W. J. Potato ovules with two embryo sacs. Am. 
Jour. Bot. 9: 213, 214. f. zr. 21 Je 1922. 
Yuncker, T. G. Additions and corrections to the list of Indiana 
mosses. Proc. Indiana Acad. Sci. 1921: 155, 156. 1922. 
Yuncker, T. G. Three new species of Cuscuta from Mexico. 
Bull. Torrey Club 49: 107-109. f. 1-3. 18 My 1922. 
Cuscuta dentatasquamata, C. cozumeliensis, C. durangana spp. nov. 
