650 Index to American botanical literature 



Sumstine, D. R. Four interesting species of moulds. Mycologia i : 



218. II S 1909. 

 Taylor, N. Native trees of the Hudson River valley. Bull. N. Y. 



Bot. Card. 7 : 90-147. //. /jz-zfO. 27 Au 1909. 



Transeau, E. N. The relation of the climatic factors to vegetation. 



[Present problems in plant ecology. V.] Am. Nat. 43 : 487-493. 



Au 1909. 

 Transeau, E. N. The point of view in vegetation problems involving 



climate. Plant World 12: 102-104. My 1909. 



Vaupel, F. Die Vermehrung durch Blattstecklinge bei Sansevieria- 

 und y^raer-arten, Monats. Kakteenk. 19: 107-109. 15 Jl 1909. 



Visher, S, S. Additions to the flora of the Black Hills of South 

 Dakota. Torreya 9: 186-188. 27 S 1909, 



Wadmond, S. C» The lost stamen in turtle-head. Am. Bot. 15 : 71, 



72. [O] 1909. 



Weatherby, C. A. A color form of Potentilla pumila. Rhodora II : 



^52, 153- 9 ^^ 19^9- 

 Westgate, J. M. Another explanation of the hardiness of Grimm al- 

 falfa. Science II. 30 : 184-186, 6 Au 1909. 



Williamson, C, S. Notes on the flora of central and southern Dela- 

 ware. Torreya 9: 160-166. 3 Au 1909. 



Wilson, P. Report on the botanical exploration of the islands of the 

 Salt Key Bank, Bahamas. Jour. N. Y. Bot. Gard. 10: 173-176. 

 /. 2g. Au 1909. 



Wolff, H. Species novae generis Eryn^ii Americae centralis et austra- 

 lis. -Repert. Nov. Spec. 7: 274-279. 20 S 1909. 



Woodburn, W. L. Notes on the native seedless persimmon. Proc. 

 Indiana Acad. Sci. 1908 : 99-101, 1909. 



F- 



Wooton, E. 0. A new name. — Pentstemon AfeUalf€i\N ooion & Stand- 

 ley. Torreya 9 : 145. i Jl 1909. 



Wooton, E. 0., & Standley, P. C, A new Lathyrus from New Mexico, 

 Muhlenbergia $: 87. 7 Jl 1909. 



York, H, H, The anatomy and some of the biological aspects of the 

 ** American mistletoe/' Phoradendron flavescens (Pursh) Nutt. Bull. 

 Univ. Texas, Scientific Series 13: 1-31. //. 1-13^ 15 Mr 1909. 



