624 



INDEX 



*Pasteurization and bottling of pas- 

 teurized milk. S. H. Ayers and 

 W. T. Johnson, Jr. 290. 

 *The preparation of dried cultures. 

 L. A. Rogers. 229. 



References. 377. 

 Biology. The physiology of the blue- 

 berry. F. V. CoviLLE. 66. 



Scolytoid Beetles. A. D. Hopkins. 

 66. 

 Botany. Acacia cornigera and its al- 

 lies. W. E. Safford. 356. 

 *Annona sericea and its allies. W. E. 

 Safford. 63. 



Atlanta meeting of the Botanical So- 

 ciety of America. R. H. True, 

 125. 



An attempt at revegetation on Ko- 

 diak Island. W. H. Evans. 125. 

 *Chemical analysis in distinguishing 

 Jeffrey pine. W. H. Lamb. 501. 



The economic plants of ancient Peru. 

 W. E. Safford. 590. 



The date palm in antiquity. P. 

 Popenoe. 590. 



The botanical garden of Rio de Ja- 

 neiro. P. H. DORSETT. 589. 



Andean origin of the cultivated po- 

 tato. W. F. Wight. 589. 



Chinese horticultural Brassica spe- 

 cies. D. N. Shoemaker. 85. 



Chinese wild rice. C. S. Scofield. 

 262. 



The common names of plant fibres. 

 L. H. Dewey. 384. 



Conspectus of North American firs. 

 W. H. Lamb. 607. 



Further evidence of mutation in 



Oenothera. H. H. Bartlett. 203. 



*Genus Annona with descriptions of 



new species. W. E. Safford. 



424. 



The genus Arthrocnemum in North 

 America. Paul C. Standley. 

 398. 



Greene, E. L. Celebration of his 

 , seventieth birthday. 35. 



*Indicator significance of vegetation 

 in Tooele Valley, Utah. T. H. 

 Kearney, L. J. Briggs, H. L. 

 Shantz, J. W. McLane and R. 

 L. Piemeisel. 228. 



The James River hybrid walnut. 

 P. Bisset. 85. 



Loose smut of rye. H. B. Hum- 

 phrey. 384. 



Meteorological observations for bo- 

 tanical purposes. R. Zon. 262. 

 *Mexican grasses in the U.S. National 

 Herbarium. A.S.Hitchcock. 118. 



A new hybrid. G. N. Collins and 



J. H. Kempton. 114. 

 *New plants of New Mexico. E. O. 

 WooTON and P. C. Standley. 



64. V 



Physiology of the rest period in the 

 potato tuber. C. O. Appleman. 

 384. 

 *Plants from the Mount Robson Re- 

 gion. P. C. Standley. 74. 



Pollen protection in the flowers of 

 Acacia and Annona. W. E. Saf- 

 ford. 203. 



Review of a paper by Trabut. A. S. 

 Hitchcock. 262. 



Seeds used for ornamental pui'poses 

 in the West Indies. J. N. Rose. 

 203. 



The wood-apple, Ftronia Limonia. 

 W. T. Swingle. 325. 



References. 147, 207, 293. 

 — See also: Plant pathology; plant 



physiology. 

 Chemical Technology. Alcohol and ag- 

 riculture in Germany. R.H.True. 

 233. 



Ammonia in illuminating gas. J. D. 

 Edwards. 316. 

 Chemistry. Artificial sperrylite. F. P. 

 Dewey. 168. 



Chemical investigations in tablet 

 medication. L. F. Kebler. 87. 



Chemistry of colloids. W. Ostwald. 

 234, 261. 



' Abstracts. 



