INDEX TO AMERICAN BOTANICAL LITERATURE 
1911-1919 
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 p ages that relate exclusively to forestry, agriculture, wetniy a 
rarreneniar products of vegetable origin, or laboratory methods are not included, an 
no attempt is made to index the literature of bacteriology. An occasional naan is 
made in favor of some paper appearing in an American periodical which is devoted 
some important particular. If users of the Index will call the attention of the edi 
to errors or omissions, their kindness will be a iated. 
This Index is reprinted monthly on cards, and saleuets in this form to subscribers 
at the rate of one cent for each card, Selections of cards are not permitied ; each 
subscriber must take all cards published during the term of his subscription, Corre- 
pondence relating to the card issue should be addressed to the Treasurer of the Torrey 
iestisa Club. 
Allen, E. R. Some conditions affecting the growth and activities of 
Azotobacter chroococcum. Ann. Missouri Bot. Gard. 6:1-44. pl. 1 
J. te -¥ 4910. 
Allen, E. R., & Davisson, B. S. An all-glass nitrogen apparatus. 
Ann. Missouri Bot. Gard. 6: 45-48. pl. 2. F 1919. 
Alway, F. J., McDole, G. R., & Trumbull, R. S. Relation of mini- 
mum moisture content of subsoil of prairies to hygroscopic coeff- 
cient. Bot. Gaz. 67: 185-207. 18 Mr 1919. 
Apolinar Maria, Hno. El eucalipto (Eucalyptus globosus Lab.) Bol. 
Soc. Cien. Nat. La Salle 6:68-74. Je 1917; 85-87. Jl 1917; 107- 
112. Au. 1917: 126-128. S 1917; 139-142. O 1917; 150-152. N 
1917; 6: 13-20. Ap 1918. 
Armell, H. W. Die Moose der Vega-Expedition. Ark. Bot. 115°: 
I-1IT. 33918, 
Arthur, J. C., & Bisby, G. R. An annotated translation of the part of 
Schweinitz’s two papers giving the rusts of North America. | Proc. 
Am. Philos. Soc. 57: 173-292. 1918. 
Atkinson, G. F. Relationships within the Rhodosporeae. Bot. Gaz. 
67: 266, 267. 18 Mr 1919. 
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