THE PLANT WORLD 



INDEX TO CONTENTS OF VOLUME FIFTEEN, 1912 



Africa, Work on Vegetation of; Note 224 



Altamaha Grit Region in December. R. M. Harper 241 



Ancestors of the Persimmon. E. W. Berry 15 



Andrews, E. F. Practical Course in Botany; Note 72 



Applied Biology. M. A. and A. N. Bigelow; Review 67 



Babcock, S. M. Metabolic Water; Review 221 



Bergen and Caldwell. Practical Botany; Review 192 



Berry, E. W. Notes on the Geological History of the Walnuts and 



Hickories 225 



Berry, E. W. Notes on the Present Status of Paleobotany 169 



Berry, E. W. Some Ancestors of the Persimmon 15 



Bigelow, M. A. and A. N. Applied Biology; Review 67 



Blakeslee, A. F. Trees in Winter; Note 144 



Blumer, J. C. Notes on the Phytogeography of the Arizona Desert 183 



Bower, F. 0. The Quest of Phyletic Lines 97 



Bowman, I. Forest Physiography; Note 71 



Britton, N. L. Florida Hammocks; Note 95 



Brown, W. H. The Relation of Evaporation to the Water Content 



of the Soil at the Time of Wilting 121 



California, Jepson's Flora of; Review. 219 



Campbell, D. H. The Eusporangiatae ; Review 140 



Cannon, W. A. Root Habits of Desert Plants; Review 44 



Cereal Rusts. F. J. Pritchard; Review 192 



Chemical Phenomena in Life. F. Czapek; Review 164 



Choate, H. A. The Origin and Development of the Binomial 



System of Nomenclature 257 



Choosing a Problem for Research in Plant Physiology. B. E. 



Livingston 73 



Cockayne, L. Some Noteworthy New Zealand Ferns 49 



Cold Air Drainage. F. Shreve 110 



Conard, H. S. Plant Press; Note 275 



Conard, H. S. The Kellerman Plant Press 135 



Cooper, W. S. The Ecological Succession of Mosses on Isle Royale 197 



Cork, Granulated, for Germinations; Note ... 194 



Cowles, H. C. Phytogeographical Excursion; Notes 46, 252 



Czapek, F. Chemical Phenomena in Life; Review 164 



Dachnowski, A. The Successions of Vegetation in Ohio Lakes and 



Peat Deposits 25 



Digestion of Starch in Germinating Peas. W. R. Jones 176 



Dissertations in 1912; Note 302 



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