TABLE OF CONTENTS. 
Notes on Carex, XVIII (with plate 1) L. H. Bailey. 
A new Californian liverwort (with plate 11) 
Douglas H. Campbell. 
Further criticism of Mr. Nash’s ‘‘New or noteworthy 
American grasses” : ; < ‘ , ; 
Notes on Sporobolus. F. Lamson-Scribner. 
The validity of Mr. Nash’s changes 7. G. Smith. 
Some comments on Kerner and Oliver’s ‘‘Natural His- 
tory of Plants” Conway MacMillan. 
_ Noteworthy Paes and physiological researches 
i 6, 159, 229, 290, 
Researches on transpiration and aes 
A, F. Woods. 
On the twisting of the grain of pine LZ. S. Cheney. 
The mechanics of curvature D. T. MacDougal. 
Selection of organic food by plants Rodney H. True. 
On the prevailing ombrophilous character of the fol- 
iage of tropical plants ; . Theo. Holm. 
The embryo-sac of Taraxacum Chas. Chamberlain. 
Correlation effects following mechanical hindrance 
of growth j ‘ R. H. True. 
[i 
