446 INDEX TO AMERICAN BOTANICAL LITERATURE 
Transeau, E.N. Apparatus for the study of parative t I 
Bot. Gaz. 52: 54-60. f. 1-5. 17 Jl 1911. 
V(aupelj, F. Zu unserer Abbildung. Monats. Kakteenk. 21: 86. 15 
Je 1911. [Illust.] 
Photograph of Cereus Weberi Coult. and Opuntia streptacantha. 
Weingart, W. Cereus trigonus var. guatemalensis Eichlam. Monats. 
Kakteenk. 21: 53, 54. 15 Ap 1911; 21: 68-70. 15 My 1911. 
Wernham, H. F. A revision of the genus Hamelia. Jour. Bot. 49: 
200-216. °: 1)'4011; 
Includes descriptions of 7 new species. 
Wettstein, R. Handbuch der systematischen Botanik 1-424. pl. 
1+f. 1-291. Leipzig, 1910; 425-915. f. 292-600. Leipzig, 1911. 
Second edition. 
White, E. A. Second report on the Hymeniales of Connecticut. Con- 
necticut Geol. & Nat. Hist. Surv. 15: 1-70. pl. 1-28. 1910. 
Wiegand, K. M. Character in winter buds. Bull. Josselyn Bot. Soc. 
Maine 4:6. Ap 1911. 
Williams, E. F. Castanea pumila in eastern Massachusetts. Rhodora 
13:90. 1 My ror1. 
- Wilson, P. Notes on Rutaceae—V. Species characters in Ptelea and 
Taravalia. Bull. Torrey Club 38: 295-297. 6 Jl 1911. [Illust.] 
Winslow, E. J. Asplenium acrostichoides Sw. Am. Fern Jour. I: 
79-82. 3 My 1911. [Illust.] 
Winslow, E. J. Interesting plants found in Vermont in 1910. Ver- | 
mont Bot. Club Bull. 6: 11-13. Ap 1911. 
Woodburn, W. L. Spermatogenesis in certain Hepaticae. Ann. Bot. 
25: 299-313. pl. 25. Ap 1911. 
Woronichin, N. Physalosporina, eine neue Gattung der Pyrenomy- 
ceten. Ann. Myc. 9: 217-225. Je 1911. 
Wullschleger, W. A. Dehydrating with alcohol. Bot. Gaz. 52: 63-66. 
f. I-4. 17 Ji rot. 
