iv Contents 



327 



343 



367 



Kirkwood, Joseph Edward. The pollen-tube in some of the Cucur- 



bitaceae (with plates 16 and 17)- 



Cushman, Joseph Augustine. New England desmids of the sub- 

 family Saccodermae --------- 



Spalding, Volney Morgan. Absorption of atmospheric moisture by 



desert shrubs -- 



Reed, Howard Sprague, and Smoot, sadore. The mechanism of 



seed-dispersal in Polygonum virginianum (with seven figures) - 377 

 Gleason, Henry Allan. The pedunculate species of Trillium - 387 

 Arthur, Joseph Charles, and Kern, Frank Dunn. North Ameri- 

 can species of Peridermium .__-._-- 403 



Mackenzie, Kenneth Kent. Notes on Carex, I - - - - 439 



Abrams, Le Roy. Two new southwestern species of Pentstemon - 445 

 Eaton, Alvah Augustus. Pteridophytes observed during three ex- 



cursions into southern Florida 



- 455 



Mathewson, Chester Arthur. The behavior of the pollen tube in 



Houstonia coerulea (with three figures) -•-'-'■• 487 



House, Homer Doliver. Studies in the North American Convolvu- 



laceae, II. The genus Operculina - - - . - 495 



Arthur, Joseph Charles. New species of Uredineae, V - - 513 



Harper, Roland McMillan. Notes on the distribution of some 



Alabama plants 



5 2 3 



Piper, Charles Vancouver. Notes on Calochortus - -...,- 537 



Dowell, Philip. North American species of Calceolaria (with plates 



18-22) 



547 



Wilson, Guy West. The identity of Mucor Mucedo - - 557 



1 



Wooton, Elmer Ottis. Southwestern localities visited by Charles 



Wright --------- - - 



Howard, Burton James. Tannin cells of persimmons (with eight 

 figures) .-*- - - -.- 



Foslie, Mikal, and Howe, Marshall Avery. Two new coralline 



561 



567 



algae from Culebra, Porto Rico (with plates 23-26 and two figures) 577 

 Underwood, Lucien Marcus. American ferns, VII (with sixteen 



figures) - - 591 



Cushman, Joseph Augustine. Some desmids from Newfoundland - 607 



* 





I 



Index to American botanical literature (1901-1903) - - - 207 

 Index to American botanical literature (1905) - 59, 263, 447 



Index to American botanical literature (1906) 



125, 319, 353, 397, 505, 541, 581, 617 





