Harvey, B. T. Dissemination of Virginia Creeper Seeds 217 



Hitchcock, A. S. Text-Book of Grasses; Review 257 



Holman, R. M. Useful Drawing Camera 313 



Howe, C. D. and White, J. H. Trent Forest Survey; Review. . . . 174 

 Humphrey, H. B. and Weaver, J. E. Natural Reforestation in 



the Mountains of Idaho 31 



Improved Non-Absorbing Porous Cup Atmometer 7 



Inorganic Plant Poisons and Stimulants. W. E. Brenchley; 



Review 203 



Internal Temperatures of Desert Plants. H. H. W. Pearson; 



Review 258 



Investigation of Causes of Autonomic Movements in Succulent 



Plants. E. B. Shreve 297 331 



Jepson, W. L. Flora of California; Review 127 



Klebs, G. Periodicity in Trees; Review 19 



Limiting Factors and Plant Growth. A. M. Smith; Review 201 



Livingston, B. E. Atmometry and the Porous Cup Atmometer 



21, 51, 95, 143 



Lloyd, F. E. Abscission; Review 91 



Long, E. R. Acid Accumulation and Destruction in Large Succu- 

 lents 261 



MacDougal, D. T., et al. The Salton Sea; Reviews 14, 16 



Manometer Method of Determining the Capillary Pull of Soils. 



W. A. Cannon 11 



Manual of Weeds. A. E. Georgia; Review 48 



Marine Algae of Peru; Note 20 



Methods in Physiology of Nutrition. V. Grafe; Review 124 



Montane Rain-Forest. F. Shreve; Review 168 



Naming of Plant Communities; Note 176 



Natural Reforestation in the Mountains of Idaho. H. B. Hum- 

 phrey and J. E. Weaver 31 



Natural Regions of North America ; Note 93 



Observations in the Colorado Desert. S. B. Parish 75 



Origin of the Galapagos Islands. A. Stewart 192 



Parish. S. B. Observations in the Colorado Desert 75 



Paulsen, O. Desert Vegetation of America 155 



Pearson, G. A. Forest Climatology; Review 150 



Pearson, H. H. W. Internal Temperatures of Desert Plants; 



Review 258 



Periodicity in Trees. G. Klebs; Review 19 



Phototropism of Urediniospore Germ-Tubes. F. D. Fromme; 



Review 172 



Plant Breeding. L. H. Bailey; Review 170 



Presentation of Scientific Papers; Note 204 



Prize Offers; Notes 128, 319 



Read, A. D. Flora of the Tusayan National Forest 112 



Relation between Floras of Subantarctic America and New Zealand. 



C. Skottsberg 129 



Relative Score Method of Comparison of Plant Condition. E. E. 



Free 249 



4 



