594 INDEX TO AMERICAN BOTANICAL LITERATURE 
Gallée, O. Lichens from northeast Greenland (N. of 76° N. Lat.) 
collected by the ‘‘ Danmark-expedition’’ 1906-08. Meddelelser om 
Gronland 43: 183-191. I9QI0. 
Gallte, O. Saxifragaceae 2. The biological leaf-anatomy of arctic 
species of Saxifraga. Meddelelser om Grénland 36: 239-294. f. 
I-29. 1910. 
Gleason, H. A. The relation of forest distribution and prairie fires in 
the middle West. Torreya 13: 173-181. Au 1913. 
Gow, J. E. Observations on the morphology of the aroids. Bot. 
Gaz. 56: 127-142. f. I-47. 14 Au 1913. 
Hamet, R. Sedum Carnegiei, a new species of the family Crassuiaceae 
from the herbarium of the Carnegie Museum. Ann. Carnegie Mus. 
8: 418-420. Mr 1913. 
Harper, R. M. A botanical cross-section of northern Mississippi, with 
notes on the influence of soil on vegetation. Bull. Torrey Club 40: 
377-399. pl. 21, 22. Au 1913. 
Harris, J. A. Note on the alpine dwarfing of Polygonum Bistorta. 
Torreya 13: 182-184. f. 7. Au 1913. 
Harris, J. A. On the-relationship between the number of ovules 
formed and the capacity of the ovary for maturing its ovules into 
seeds. Bull. Torrey Club 40: 447-455. f. 1, 2. Au 1913. 
Hassler, E. Apocynaceae. [In Ex herbario Hassleriano: Novitates 
paraguarienses XVIII.] Repert. Sp. Nov.12: 257-264. 20J11913- 
Includes Aspidiosperma Rojasii and A. Quirandy Hassler, spp. nov. and several 
new varieties of the latter species. 
Hassler, E. Malvaceae. [In Ex herbario Hassleriano: Novitates para- 
guarienses XVIII.] Repert. Sp. Nov. 12: 264-269. 20 Jl 1913- 
Includes Malvastrum guaraniticum, Sida rupicola, and S. margaritensis spp- OV: 
Hassler, E. Oecnotheraceae—II. [In Ex herbario Hassleriano: Novi- 
tates paraguarienses XVIII.] Repert. Sp. Nov. 12: 269-278. 2° 
Ji 1913. 
Includes 54 new varieties, forms, or subspecies. 
Hayden, A. An ecological study of a prairie province in central Iowa. 
Proc. Iowa Acad. Sci. 18: 55, 56. 1911. 
An abstract. 
Heald, F. D., & Studhalter, B.A: Preliminary note on birds as 
carriers of the chestnut blight fungus. Science II. 38: 278- 280. 
22 Au 1913. 
Hesselbo, A. Mosses from northeast Greenland (N. of 76° N- Lat.) 
