INDEX TO AMERICAN BOTANICAL LITERATURE 
1923 
The aim of this Index is to include all current botanical literature written by 
Americans, published in America, or based upon American material; the word 
America being used in the broadest sense. 
Reviews, and papers that relate exclusively to forestry, Mo horti- 
ctriture, rita ie produrts. of vegetable origin, or ls boratory methods 
bacteriology 
An occasional pa 40 is made i in favor of some paper appearing in an Ameri- 
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 
kindness will be appreciated. 
This Index is reprinted monthly on cards, =e furnished in this form to 
subscribers at the rate of three cents for each card. Selections of cards are 
not permitted; each subscriber must take all ane published during the term 
of his subscription. Correspondence relating to the card issue should be 
addressed to the Treasurer of the Torrey Botanical Club. 
Allen, C. E. The potentialities of a cell. Am. Jour. Bot. 10: 
387-398. 28 Jl 1923. 
Allen, W. E. Observations on surface distribution of marine 
diatoms of Lower California in 1921. Proc. California 
Acad. Sci. IV 12: 437-442. 21 Au 1923. 
Ames, O. Calanthe vestita Regnieri. Addisonia 8: 25, 26. pl. 
200.: 22 Atul 1923: 
Ames, O. Sarcopodium Lyonii. Addisonia 8: 17, 18. pl. 265. 
Arbuckle, H. B. & Thies, O. J. Variation of protein content of 
corn—II. Jour. E. Mitchell Sci. Soc. 39: 56-62. Au 
1923. 
Ashe, W. W. The common names of some trees. Jour. E. 
Mitchell Sci. Soc. 39: 89-91. Au 1923. 
Ashe, W. W. Notes on shrubs of the southeastern states. 
Jour. E. Mitchell Sci. Soc. 39: 110, 111. Au 1923. 
Includes two new species of Robinia from North Carolina and Tennessee 
113 
