INDEX TO AMERICAN BOTANICAL LITERATURE 
1917-1921 
The aim of this Index is to include all current botanical literature written by 
Americans, published in Sacchi or based upon American material ; the word Amer- 
ica being used in the broadest sen 
Reviews, and papers that sae exclusively to forestry, oo horticulture, 
pont a products of vegetable origin, or laboratory meth not included, anc 
no attempt is made to index the literature se bacteriology. An Schad exception is 
made in favor of some paper appearing in an American periodical which is devoted 
wholly to botany. Reprints are not mentioned unless they differ from the original in 
some important particular. If users of the Index will call the attention of the editor 
to errors or omissions, their gal will be appreciated. 
This Index is reprinted monthly on cards, and furnished in this form to subscribers 
at the rate of two cents for each card, Selections of cards are not permitted ; each 
subscriber must take all cards published during the term of his subscription, Corre- 
ndence relating to the card issue should be addressed to the Treasurer of the Torrey 
Botanical Club 
Acqua, C. The dynamics of plant respiration. Sci. Am. Mo. 3: 
28-30. Ja 1921. ; 
Adams, C. C., Burns, G. P., Hankinson, T. L., Moore, B., & Taylor, N. 
Plants and animals of Mount Marcy, New York. Ecology 1: 
71-94. pl. 2+ f. I-14; 204-233. f. 15-20; 274-288. f. 21, 22. 1920. 
Adams, J. F. Darluca on Peridermium Peckit. Mycologia 12: 
309-315. pl. 21. 27 D 1920. 
Adams, J. F., & Russell, A. M. Rhizopus infection of corn on the 
germinator. Phytopathology 10: 535-543. f. 1-6. D 1920. 
Anthony, R. D. Asexual inheritance in the violet. New York Agr. 
Exp. Sta. Bull. 76: 3-55. Mr 1920. 
Ashe, W. W. Notes on the trees and shrubs of eastern North America. 
Bull. Torrey Club 47: 581, 582. 28 D 1920. 
Includes Azalea neglecta, sp. nov., from Carolina. 
Bailey, I. W. The cambium and its derivative tissues, II. Size 
variations of cambial initials in gymnosperms and angiosperms. 
Am. Jour. Bot. 7: 355-367. f. I-3- 7 D 1920. 
Bailey, I. W. Some relations between ants and fungi. Ecology 1: 
174-189. pl. 5-7. Jl 1920. 
Barbour, W. R. Argentine and Paraguay forest conditions. Jour. 
Forestry 18: 823-830. D 1920. 
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