Xll. 
Wernham, H. P.— continued 
II.—The Archichlamydeae and their Page. 
Pliylogenetic Relations to 
the Sympetalae ... ... 109 
III. —The Pentacyclidae ... ... 145 
IV. —Tetracyclidae. 
Parti: Contort® ... ... 217 
V. —Tetracyclidae. 
Part II : Tubiflorae ... ... 293 
West, G. S. and Hood, Olive E. The Structure of the 
Cell-Wall and the Apical 
Growth in the Genus Trente- 
pohlia (6 figs in the text) ... 241 
CORRIGENDA. 
p. 208, line 15, for from read “ form.” 
p. 208, line 11 from bottom, for uredospores read “ aecidiospores.” 
