INDEX TO AMERICANSBOTANICAL LITERATURE 
(1904) 
he aim of this indes is to include all current botanical literature written by 
Americans, published in America, or based upon American material ; the word Amer- 
ica ad — in its broadest sense, 
s, and papers which relate exclusively to forestry, _ horticulture, 
sil products of vegetable origin, or laboratory methods are not included, and 
no attempt is made to index the literature of bacteriology. pie occasional 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 ac Index will call the attention of the editor 
to errors or omission their kindness will be appreciated. 
This Index is reprinted monthly on cards, and furnished in this form to subscribers, 
at the rate of one cent for each card. Selections of cards are not permitted ; each 
subscriber must take all cards published peers the term of his subscription, Corre- 
Spondence relating to the card-issue should be addressed to the Treasurer of the Torrey 
Botanical Club. 
Bennett, A. Notes on Potamogeton. Jour. Bot. 42: 69-77. 1 Mr 
Several references to American species. 
Bennett, M. E. Are roots aerotropic? Bot. Gaz. 37: 241-259. /. 
4-5. 16 Ap 1904. 
Britten, J. Banks’s Newfoundland plants. Jour. Bot. 42: 84-86. 
1 Mr 1904, 
Britten, J. Vaccinium vacillans. Jour. Bot. 42: 55. 1 F 1904. 
Cardot, J. Notes on some North American mosses. Bryologist, 7: 
39, 31. § Mr 1904. 
Claassen, E. On the occurrence of Fossombronia cristula in Ohio. 
Ohio Nat. 4: 58. 20 Ja 1904. 
Cockerell, T. D. A. Mutations and forms. Torreya, 4: 58, 59. 28 
Ap 1904. 
Collins, J. F. Some erroneous references. Bryologist, 7: 32, 33- 
5 Mr 1904. 
Cook, M. T. Galls and insects producing them, Ohio Nat. 4: 115- 
139. p/. 9-12. 5 Ap 1904 ;—Appendix I. Ohio Nat. 4: 140-147. 
Pl. 13-15. 5 Ap 1904. 
Coulter,S. M. An ecological comparison of some typical swamp 
areas. Ann. Rep. Missouri Bot. Gard. 15: 39-71. map. pl. 1-24. 
3° Ap 1904. 
305 
