INDEX TO AMERICAN BOTANICAL LITERATURE 
(1912) 
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 pte used in the broadest sense. 
eviews, and papers that relate exclusively to forestry, agriculture, horticulture, 
cies products of vegetable origin, or laboratory methods are not included, an 
no attempt is made to index the literature of bacteriology. An occasional exception is 
Reprint 
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 bn dex 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 
ere 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, W. A. Occurrence of Euphorbia lorifolia and tapping experi- 
ments. Hawaii Agr. Exp. Sta. Bull. 37: 14-16. 8 Au 1912. 
Andrews, A.L. Notes on North American Sphagnum, III. Bryologist 
15: 63-66. Jl 1912; 70-74. S 1912. 
Bachmann, F. M. A new type of spermogonium and fertilization in 
Collema. Ann. Bot. 26: 747-760. pl. 69. Jl 1912. 
Bailey, I. W. The evolutionary history of the foliar ray in the wood of 
the dicotyledons: and its phylogenetic significance. Ann. Bot. 26: 
647-661. pl. 62, 63. Jl 1912. 
Bailey, W. W. Some interesting April flowers. Am, Bot. 18: 66-69. 
Au 1912. 
Baker, C. F., & Essig, E. O. Host index to California Coccidae. 
Monthly Bull. State Com. Hort. California 1: 740-763. S 1912. 
Barbour, J. H. Sacred plants of India. Proc. & Trans. Nova Scotian 
Inst. Sci. 13: xxviii—xlii. 26 Au 1912. 
Blake, S. F. Sisymbrium officinale in three states. Rhodora 14: 190- 
Bédeker, F. Reisebeobachtungen, -erfahrungen und -betrachtungen. 
Monats. Kakteenk. 22: 137-143. 15S 1912. 
Britton, E.G. Wild plants needing protection. 4. ‘Wild columbine” 
(Aquilegia canadensis L.). Jour. N. Y. Bot. Gard. 13: 123, 124. 
pl. 98 Au1gi2; 5. ‘“Bird’s-foot violet” (Viola pedata L.). Jour. 
N. Y. Bot. Gard. 13: 135, 136. pl. 99. S 1912. 
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