INDEX TO AMERICAN BOTANICAL LITERATURE 
1913-1918 
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 being used in the broadest sense 
Reviews, and papers that ulate ee to forestry, agriculture, horticulture, 
manufartared products: of vegetable origin, or laboratory methods are not included, and 
Re n 
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, 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 during the term of his subscription. Corre- 
spondence arta to the card issue should be addressed to the Treasurer of the Torrey 
Botanical Clu 
Allen, C. E. The spermatogenesis of Polytrichum juniperinum. 
Ann. Bot. 31: 269-291. pl. 15, 16. Ap 1917. 
Allen, C. E., & Gilbert, E. M. Textbook of Botany. i-x + 1-459. 
f. 1-223. Chicago. 1917. [Illust.] 
Andrews, E. F. Agency of fire in propagation of longleaf pines. Bot. 
Gaz. 64: 497-508. f. 1-5. 18 D 1917. 
Arthur, J. C. Relationship of the genus Kuehneola. Bull. Torrey 
Club 44: 501-511. 20 N 1917. 
Includes Frommea gen. nov. and F. Polylepidis sp. nov so 
Babcock, D. C. Diseases of ornamental plants. “Ohio Agr. Exp. Sta. 
Month. Bull. 2: 323-328. O 1917. [Illust.] 
Barnhart, J. H. John Eatton Le Conte. Am. Mid. Nat. 5: 135-138. 
Beadle, C. Hedychium coronarium in Brazil. Kew Bull. Misc. Inf. 
1917: 104, 105. Au I917. 
Blake, S. F. Descriptions of new spermatophytes, chiefly from the 
collections of Prof. M. E. Peck in British Honduras. Contr. Gray 
Herb. Harvard Uniy. 52: 59-106. 5S 1917. 
Includes one new genus and 50 new species. 
Blake, S. F. New and noteworthy Compositae, chiefly Mexican. 
Contr. Gray Herb. Harvard Univ. 52: 16-59. S 1917. 
One new genus and nineteen new species are described. 
