INDEX TO AMERICAN BOTANICAL LITERATURE 
1917-1919 
e aim of this Index is to include all current botanical literature written by 
Re published in a i or based upon American material ; the word Amer- 
ica bei ait in the broadest sense. 
Reviews, and pap hat relate exclusively to forestry, agriculture, horticulture, 
elniilace products vegetable origin, or laboratory methods are not included, and 
attempt is made to index the literature of  . An occasional exception is 
fae in favor of some paper earing in an American periodical which is devoted 
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 farnished i 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 relating to the card issue should be addressed to the Treasurer of the Torrey 
Botanical Club, 
Anderson, J. P. Annotated list of plants collected in Greeley and 
Wallace Counties, Kansas. Iowa Nat. 3: 26-44. Ap 1917. 
Arthur, J.C. Uredinales of Guatemala based on collections by E. W. D 
Holway—IV. Puccinia on Carduaceae, form-genera and index. 
Am. Jour. Bot. 5: 522-550. 9 
Includes new species in Puccinia (9), Uredo a) and Aecidium (tr). 
Ballard, W. R. Strawberry notes. Maryland Agr. Exp. Sta. Bull. 
211: 51-76. f. 1-3. Ja 1918. 
Barker, E. E. Heredity studies in the morning-glory (Jpomoea pur- 
purea [L.] Roth). Cornell Agr. Exp. Sta. Bull. 392: 1-38. pl. 1-3. 
Ji 1917. 
Barrus, M. F.° Varietal susceptibility of beans to strains of Colleto- 
trichum lindemuthianum (Sacc. & Magn.) B. & C. Phytopathology 
8: 589-614. pl. 1-5. D 1918. 
Berry, E. W. A Cretaceous Hymenaea ee Alabama. Am. Jour. 
Sci. 47: 65-68. Ja 1919. [Illust.] 
erry, E. W. The history of the linden and ash. Plant World 21: 
163-174. Jl 1918. 
Bicknell, E. P. Ilex verticillata. Addisonia 3: 71, 72. pl. rio. 30D 
1918. 
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