Morphology of the Cycads. H. A. Dorety; Review 120 



Mountain riant Communities of Sandy Soil. Francis Ramaley. 315 



Munns, 1). N. Fi'fect of Fertilization on Seed of Jeffrey Pine 138 



Munill, W. A. Natural History; Note ' 57 



Native Vegetation as a Criterion of Site. C. F. Korstian 253 



New Botanical Text-book. J. N. Martin; Review 217 



New Economic Botany. M. T. Cook; Review 309 



Nichols, G. E. Vegetation of Cape Breton; Review 145 



Norton, Gertrude P. Shore Vegetation of Flathead Lake 355 



Nutrient Requirement of the Potato Plant. E. S. Johnston 331 



Our National Forests. R. H. D. Boerker; Review ' 92 



Pearson, G. A. Growth of Conifers; Review 24 



Pendleton, R. L. Utility of Soil Surveys; Review 272 



Penetration of Bean Cuticle. P. K. Dey; Review 250 



Pickler, W. E. Water Content and Temperature in Diastase For- 

 mation in Barley 221 



Physiological Problems of Photosynthesis. M. Henrioi; Review. 123 



Physiology of the Mangrove. H. H. M. Bowman; Review 140 



Plant Genetics. Coulter, J. M. and Coulter, M. C; Review 181 



Popenoe, W. Avocado; Note 184 



Preparation of Seed Potatoes. C. O. Appleman; Review 91 



Proliferation in Cacti. D. S. Johnson; Review 182 



Pulling, H. E. Sunlight and its Measurement 151, 187 



Rainfall and Plant Distribution in Australia. G. Taylor; Re- 

 view 19 



Ramaley, Francis. Dry Grasslands; Note 184 



Ramaley, Francis. Mountain Plant Communities of Sandy Soil. . 315 



Rankin, W. H. Diseases of Trees; Note 27 



Reed, H. S. V. M. Spalding 14 



Reed, H. S. and Halma, F. F. Evidence for a Growth-inhibiting 



Substance in the Pear Tree 239 



Relation of Irrigation to Humidity. E. A. McGregor 45 



Roberts, H. F. Improved Colorimeter for Color Inheritance 



Study ; 202 



Role of Temperature in the Determination of Transpiring Power 



by Hygrometric Paper. Edith B. Shreve 172 



Root Contraction. Margaret B. Church 339 



Root Tubercles. Ethel R. Spratt; Review 250 



Schreiner, O. and Skinner, J. J. Methods in Nutrition Experi- 

 ments ; Review 53 



Science of Plant Life. E. N. Transeau; Review 248 



Seward, A. C. Fossil Plants; Review 343 



Shore Vegetation of Flathead Lake. Gertrude P. Norton 355 



Shreve, Edith B. Role of Temperature in the Determination of 



Transpiring Power by Hygrometric Paper 172 



Shreve, Edith B. Thermo-Electric Method for Leaf Temperature 100 

 Shreve, Forrest. Comparison of the Vegetational Feature of 



Desert Mountains 291 



Shull, C. A. Correlation of Wind Flow and Temperature with 



Evaporation 21 



V 



