33 
(Cook’s) Aspects of kinetic evolution. Torreya'7: 147- 
152. 19 Jl 1907. (Revie 
The breathing of nea Jour. N. Y. Bot. Gard. 8: 
143-156. Jl 1907. 
——— Radium may solve the world-old riddle. Discovery 1: 
81-83. Au 1go07. (Illust.) 
The absence of undergrowth in the hemlock forest. 
Jour. N. Y. Bot. Gard. 8: 237-240. O 1907. 
Two recent papers by O. F. Cook. Torreya 7: 204- 
205. 18 O 1907. (Review.) 
The self-pruning of trees. Jour. N. Y. Bot. Gard. 8: 
252-254. 
The tardy defoliation of the trees. Jour. N. Y. Bot. 
Gard. 8: 254. N 1907. 
The evaporating power of the air at the New York 
Botanical Garden. Jour. N. Y. Bot. Gard. 8: 269-274. D 
1907. 
Gies, W. J. On the effects of magnesium sulphate on the 
growth of seedlings. Science II. 26: 214-216. 16 Au 1907. 
Haynes, C. C. Ten Lophozias. Bryologist 10: 9-12. f/. 2, 
le) 
Two new species of Aytonia from Jamaica. Bull. Torrey 
Club 34: 57-60. 9 Ap 1907 
Hollick, A. The cretaceous flora of southern New York and 
New England. Monographs of the U. S. Geol. Survey No. 
50. p. 1-219. p/. z-¢o. Washington, Dec. 1906. 
A collection of fossil gums. Jour. N. Y. Bot. Gard. 8: 
163-165. Jl 1907. 
Description of a new tertiary fossil flower from Floris- 
sant, Colorado. Torreya 7: 182-184. 215 1907. 
House, H. D. New species of /pomoea from Mexico and Cen- 
tral America. Muhlenbergia 3 : 37-46. p/. 7-3. 28 Mr 1907. 
Studies in the North American Convolvulaceae — III. 
Calycobolus, Bonamia, and Stylisma. Bull. Torrey Club 34: 
143-149. 7 My 1907. 
New or noteworthy North American Convolvulaceae. 
Bot. Gaz. 43: 408-414. f. 7-4. 17 Je 1907 
