INDEX TO AMERICAN BOTANICAL LITERATURE 
1915 
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 Amer- 
ica gocie?: used in the broadest sense. 
ws, and papers that relate exclusively to forestry, agriculture, pele gia 
ratory methods are not i nd 
Revi 
diewiaitabed products of vegetable origin, or la 
casional ads is 
no attempt 1 is made to index the literature of bacteriology. An oc 
made in favor of some paper appearing in an American periodical which is devot 
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 
‘0 errors or omissions, their kindness will be appreciated, 
This Index is reprinted monthly on cards, and furnished in this form to subscribers 
Selections of cards are not permitted ; each 
at the rate of one cent for each card, 
Corre- 
subscriber must take all cards published tua the term of his subscription, 
ndence relating to the card issue should be addressed to the Treasurer of the Torrey 
Botanical Club, 
Arthur, J. C., & Fromme, F. D. New species of grass rusts. Torreya 
15: 260-265. 30 D 1915. 
Includes 7 new species 'in Uromyces (2), Puccinia (4), and Uredo (1). 
Baird, M. M. Anatomy of Platanus occidentalis. Kansas Univ. Sci. 
Bull. 9: 281-290. pl. 65-76. S 1915. 
Bartlett, H. H. Mass mutation in Oenothera pratincola. Bot. Gaz. 
60: 425-456. f. 1-15. 16 D 1915. 
Belling, J. Inheritance of length of pod in certain crosses. Jour. Agr. 
Research 5: 405-420. pl. go. 6 D 1915. 
Bot. 
Bergen, J. Y. Dwarfing effect of trees upon neighboring plants. 
Gaz. 60: 491, 492. 16 D 1915. 
Bergen, J. Y. Weed growth and unusual rainfall. 
227. N IgI5. 
Rhodora 17: 224- 
Bérgeson, F. The marine algae of the Danish West Indies—2. Rho- 
dophyceae. Dansk. Bot. Arkiv. 3: 1-80. f. 1-86. 1915. 
Boerker, R. H. Some notes on forest ecology and its problems. Proc. 
Soc. Am. Foresters 10: 405-422. O 1915. 
Fruit-bud 
Bradford, F. C. The pollination of pomaceous fruits. IT. 
113 
