INDEX TO AMERICAN BOTANICAL LITERATURE 
(1909-1912) 
manufactured products of vegetable origin, or laboratory methods are not included, and 
no attempt is made to index the literature of bacteriology. An occasional exception is 
made in favor of some paper appearing in an American periodical which is devoted 
e 
some important particular. If users of the Index will call the attention of the editor 
'o 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 relating to the card issue should be addressed to the Treasurer of the Torrey 
tanical Club, 
Arthur, J. C. Aecidiaceae (continuatio). N. Am. Fl. 7: 161-187) 
211-268. 15 Ap 1912. 
The part on Gymnos porangium, pp. 188-211, contributed by F. D. Kern. 
: J. H. Honorary members of the Torrey Club. Torreya 12: 
99,91. 17 Ap 1912. 
ett, J. T. Development and sexuality of some species of Olpidiopsis 
(Cornu) Fischer. Ann. Bot. 26: 209-238. pl. 23-26. Ja 1912. 
Berry, E, W. Some ancestors of the persimmon. Plant World 15: 
1S-21.f. 1-7. Ja 1912. 
Bliss, M. C, A contribution to the life-history of Viola. Ann. Bot. 26: 
135-163. bl. 17-19. Ja 1912. 
etd, E. Violet hybrids between species of the palmata group. 
Bull. Torrey Club 39: 85-97. pl. 5-7. 18 Ap 1912. 
; L. J., & Shantz, H. L. The relative wilting coefficient for 
different plants. Bot. Gaz. 53: 229-235. 15 Mr 1912. 
Ooks, C., & Black,C.A. Apple fruit spot and quince blotch. Phyto- 
Pathology 4: 63-72. pl. 4,5. Ap 1912. 
Bunzel, H. H. The measurement of the oxidase content of plant 
ees. U. S. Dept. Agr. Plant Ind. Bull. 238: 5-40. pl. 1, 2 +f. 
79. 9 Mr orp, 
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