VI 



CONTENTS 



[volume XXXIV 



Studies in the fertilization of Phycomycetes. Sderospora 



A 4 



gra^imicola (Sacc.) Schroet. Contributions from the 

 Hull Botanical Laboratory. XLII (with plate xvii) - 



Notes on Sassafras ------._ 



F, L, Stevens 420 

 E. W. Berry 426 



Briefer Articles 



Polyembryony in Ginkgo (with four figures) 



A root rot of apple trees caused by Thelephora Galac- 

 Una Fr. -:--_.-. 



Stipa Hassei not a good species (with one figure) 



The trichome structures of Erodium cicularium (with 

 fourteen figures) ------- 



Two fern monstrosities (with five figures) - ' - 



Suggestions on the classification of seeds - 



The sensitive plant as a weed in the tropics (with one 

 figure) --------- 



A new western Camassia - - . - . 



A new Hepatic from the eastern United States (with 

 plate xii) -------- 



A date-leaf boat (with three figures) - - - - 

 A variable larkspur - --..-. 



Mel T. Cook 64 



H. von Schrenk 65 

 E, N, Wilcox 66 



Francis Ram ale y 1 40 



E. B. Cope land 142 



Conway MacMillan 224 



Z>. G, Fa ire hi Id 228 

 /. 31. Greenman 307 



A. IV. Evans 372 



D. G. Fairchild 45 1 



T, D, A. Cocker ell 453 



Open Letters 



Webb's ''Study of Spiraea" 



Current Literature 



Alfred Rehder 246 



67. 145,231, 309, 376, 455 



For titles see index under author's name and Reviews. 

 Papers noticed in " Notes for Students" are indexed 

 under author's name and subjects. 



News 



79, 157, 247, 319,3^8, 467 



DATES OF PUBLICATION. 



No- 1, July 16; No. 2, August 21 ; No. 3, September 25 ; No. 4, October 24 ; No 

 5, November 20; No. 6, December 22. 



ERRATA 



P. 41, line 6 from below, for genera read families. 

 P. 77, line 12, for diem read idem. 



P- 133. Pig- 3. legends for Nupha read Nuphar. 



P. 156, line ij for Intercellular read Intracellular, 



P. 156, line I from below, for 487 read 187. 



p. 171, line 12 from below, for has read is. 



P. 175, line 2, for Tschapolwitsch read Tschaplowitz 



