Index to Recent Literature 665 



Webber, H. J. Xenia, or the immediate Effect of Pollen, in Maize. 



■ 



1-4. 12 S. 1900. 



(Div. Veg. Phys. and Path.) 



Webster, H. Naucoria Christina*. Rhodora, 2 : 127-130. 21 Je, 

 1900. 



Wetzstein, A. Range Extension of Iris hexagona. Plant World, 3 : 

 92. Je. 1900. 



Wetzstein, A. The velvet Dogbane in Ohio. Plant World, 3: 

 40, 41. Mr. 1900. 



Wheeler, W. A. A Contribution to the Knowledge of the Flora of 



Southeastern Minnesota. Minn. Bot. Stud. 2: 353-416. pi. 21-27. 

 15 Au. 1900. 



The plates contain 14 photogravures of Minnesota vegetation. 



Wiegand, K. M. /uncus tenuis Willd. and some of its North Ameri- 

 can Allies. Bull. Torr. Club, 27: 511-527. 26 O. 1900. 



J. interior, J. Arizonicus, J. Arizonicus curtiflorus, J. brachyphyllus, J. tenuis 

 anthelatus, and J. Dudleyi, new species and varieties. J. occidentalis nom. nov. 



Williams, R. S. Another Note on Buxbaumia. Bull. Torr. Club, 

 2 7 • 539- 2 6 O. 1900. 



Winkler, H. Ueber Polaritat, Regeneration, und Heteromorphose 

 bei Bropsis. Jahrb. wiss. Bot. 35 : 449-469. f. 1-3. 1900. 





