INDEX TO AMERICAN BOTANICAL LITERATURE 
1910-1920 
The aim of this Index is to include all current botanical literature written by 
Americans, et in Ppsigiates or based upon American material ; the word Amer. 
ica being used in the broadest se 
Review aga papers that oats exclusively to forestry, agriculture, 
Ba ea products re vegetable origin, or la borato ory methods, are not i ed, an 
no attempt is made to index the literature of bacteri . An occ aide See is 
made in favor of some paper appearing in an Am n periodical which is devoted 
wholly to botany, Reprints are not tasthdad ilar they differ from the original in 
Some important eanties ular. If users of the Index will call the attention of the editor 
to errors or omissions, their mb ipesn will be Pe 
This Indexis reprinted monthly on cards, and furnished in this form to sub- 
scibers at the rate of 3 cents et each card. Selection of cardsis not permitted; 
each subsciber 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. 
Atanasoff, D. Fusarium-blight (scab) of wheat and other cereals. 
Jour. Agr. Research 20: 1-32. pl. 1-4. + f. I-2. 1 O 1920. 
Barker, E. E. La arboleda de las carreteras. Revista Agric. Puerto 
Rico 5: 41-46. O 1920. 
Benoist, R. Contribution a l'étude de la flore de la Guyane rea ee 
Bull. Mus. Nat. Hist. Natur. 1920: 351-357. 1920. 
Includes 2 new species of Casearia. 
Berry, E. W. The ancestors of the sequoias. Sci. Am. Monthly 2: 
207, 208. N 1920. 
Bisby, G. R., & Tolaas, A. G. Potato diseases in Minnesota. Univ. 
Minnesota Agr. Exp. Sta. Bull. 190: 1-44. f. 1-28. Je 1920. 
Bitting, K.G. The effect of certain agents on the development of some 
moulds (Penicillium expansum, Alternaria Solani, and Oidium 
lactis). pp. 1-176. pl. 1-62. Washington. N 1920. 
Blaringhem, L. Sur les collections de plantes vivantes de I’Arnold 
Arboretum (Université d’Harvard, prés Boston, Etats-Unis). 
Bull. Soc. Bot. France 66: 403-405. 7 My 1920. 
Boyce, J. S. The dry-rot of incense cedar. U.S. Dept. Agr. Bull. 
871: 1-58. pl. 1-3 +f. I-3. 10 N 1920. 
Boynton, K. R. Ceratostigma ati aa Addisonia 5: 45, 46. 
pl. 183. 3058 1920. 
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