INDEX TO AMERICAN BOTANICAL LITERATURE 
1924 
This Index is reprinted monthly on cards, and furnished in this form to 
subscribers at the rate of three cents for each card. Selections of cards are 
not permitted; each subscriber must take all cards published during the term 
of his subscription. Correspondence relating to the card issue should be 
addressed to Dr. Fred J. Seaver, N. Y. Botanical Garden, Bronx Park, N. Y. 
City. 
Albrecht, W. A. Inoculation for legumes. Missouri Agr. Exp. 
Sta. Circular 121: 1-12. f. 1-5. My 1924. 
Ames, O. An enumeration of the orchids of the United States 
and Canada. i-viii, 1-120. Boston, 1924. 
Arthur, J.C. Newcombinations. Torreya 24:52. 25 Je 1924 
Ball, C. R. py coieante of es and a new variety in Salix. 
Rhodor : 135-144. 20 Jl nein 
Including ti Rou Overt ae n. va 
Barrett, O. W. Impresiones de mi viaje a Dominica. Revista 
Agr. Puerto Rico 12: 327-330. My 1924. 
Including notes on plants. 
Beals, A.T. Howl find Ephemera. Bryologist 27: 46-49. f. 1-2. 
“My” 2 Jl 1924. 
Berry, E. W. A fossil Celtis from Colombia. Torreya 24: 
44-46. f. 1-2... 25 Je 1924. 
Including Celtis bolivarensis n. sp. 
Berry, E. W. Ophioglossum hastatiforme Ckl. not an Ophioglos- 
sum. Torreya 24: 49-50. 25 Je 1924. 
Berry, J. B. Western forest trees. A guide to the identification 
of trees and woods to accompany farm woodlands. A 
handbook for students, teachers, farmers and woodsmen. 
i-xi, 1-212. f. 1-96. New York. 1924. 
Brink, R. A. The physiology of pollen—III. Growth in vitro and 
in vivo. Am. Jour. Bot. 11: 351-364. f. 1-4 + pl. 19-20. 
28 Je 1924; IV. Chemotropism; effects on growth of 
grouping grains; formation and function of callose plugs; 
summary and conclusions. Ibid. 416-436. “Jl” 14 Au 
1924. 
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