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, subse horti- 
culture, a products of veretabe origin, or la ory methods 
the literature a oe 
An occasional pestis is mare i in favor ati some paper appearing in an Ameri 
can periodical which is devoted wholly to botany. Reprints are not canta 
unless they differ from the original in some important particular. If users 
of the Index will call sed attention of the editor to errors or omissions, their 
kindness will be appreciated. 
This Index is anaad greeter on cards, and furnished in this form to 
subscribers at the rate of three cents ‘or each card. Selections of cards are 
not permitted; each subscriber must take all cards published during the term 
of his subscription. Correspondence relating to the card issue should be 
addressed to the Treasurer of the Torrey Botanical Club. 
are not included, a x 
Allen, W. E. Some tide-water collections of marine diatoms 
taken at half-hour intervals near San Diego, California. 
Univ. Calif. Publ. Zool. 22: 413-416. f. r. Je 1923. 
- Andrews, A. L. Natural versus artificial classification of the 
Bryophytes. Bryologist 26: 25-29. 16 Je 192 
Baker, E. G. Heliocarpus americanus L. Jour. Bot. 61: 177. 
Je 1923. 
Barnette, R. M., & Shive, J. W. The influence of solution 
volume upon plant growth in relation to reaction change 
and iron availability in culture solutions. Soil Sci. 15: 
413-425. f. 1-3. My 1923. 
Bartholomew, L. K., & Jones, E. S. Relation of certain soil 
factors to the infection of oats by loose smut. Jour. Agr. 
Research 24: 569-576. f. 1, 2. 19 My 1923. 
Baxter,D.V. White pine blister rust in Michigan. Phytopatho- 
logy 13: 285, 286. 7 Je 1923. 
Benedict, R. C. The mosquito fern (Azolla). Am. Fern Jour. 
13: 48-52. pl. 2. 11 My 1923. 
29 
