366 INDEX TO AMERICAN BOTANICAL LITERATURE 
Berry, E.W. The Mayence basin, a chapter of geologic history. 
Sci. Mo. 16: 113-129. f. 1-7. F 1923 
Blake, S. F. Two new genera related to Narvalina. Jour. 
Washington Acad. Sci. 13: 102-107. 19 Mr 1923. 
Eriocentrodea and Cyathomone, genera of Carduaceae from Ecuador and 
Peru. 
Brandes, E. W. Mechanics of inoculation with sugar-cane 
mosaic by insect vectors. Jour. Agr. Research 23: 279-284. 
oy, 2. 27 Ja 1923: 
Britton, N. L. Studies of West Indian plants. Bull. Torrey 
Club 50: 35-56. 7 F 1923. 
Includes 69 new species in many families. 
Brown, E. D. W. Apogamy in Phegopteris polypodioides. 
Bull. Rorrey Club 50: 17-34. f. 1-20. 7 F 1923. ° 
Brown, N. A. Bacterial leafspot of Geranium in the United 
States. Jour. Agr. Research 23: 361-372. 3 F 1923. 
Bryan, O. C. Effect of acid soils on nodule-forming bacteria. 
Soil Sci. 15: 37-40. Jh 1923 
Bryan, O. C. Effect of reaction on growth, nodule formation, _ 
and calcium content of alfalfa, alsike clover and red clover- 
Soil Sci. 15: 23-30. pl. 1-3. Ja 1923. 
Burkholder, W. H. Bean disease in New York. Cornell 
Extens. Bull. 58: 3-25. f. 1-13. F 1923. 
Campbell, D. H. Australasian botanical notes I. Queensland 
and New South Wales. Am. Jour. Bot. 10: 38-56. f. I-3- 
3 F 1923. 
Chardon, C. E., & Veve, R. A. The transmission of sugar-cane 
mosaic by Aphis Maidis under field conditions in Porto 
Rico. Phytopathology 13: 24-29. Ja 1923. 
Cook, M. T. The origin and structure of plant galls. Science 
Il. 57: 6-14. 5 Ja 1913 
Dickson, F., & Fisher, W. R. A method of photographing 
spore discharge from apothecia. Phytopathology 13: 30~ 
a2. f 7, 2. Ja 3024. 
