Korstian, C. F. Indicator Significance of Vegetation for Forest 



Sites 267 



Laboratory Manual of Soil Biology. A. L. Whiting; Review.. . . . 159 



Lawson, A. A. Work on Psilotum and Tmesipteris; Note 339 



Life Histories of Kelps. C. Sauvageau; Review 190 



Livingston, B. E. Quarter Century of Growth in Plant Physi- 

 ology 1 



Lloyd, F. E. Critical Temperatures' for Phytolacca 121 



Local Floras: Note • 133 



MacDougal, D. T. Beginnings and Physical Basis of Parasitism. 238 

 McLean, F. T. Climatic Conditions as Related to Plant Growth; 



Review 158 



Medullary Rays. E. C. Jeffrey et ah; Review 338 



Megasporophylls of Conifers. H. C. Aase; Review 263 



Moon, P. F. Book of Forestry; Review 262 



Mosses of New York. A. J. Grout; Review 298 



Murphy, L. S. Seeding Habits of Spruce as a Factor in Com- 

 petition 87 



National Forest Receipts; Note 364 



Natural History of Costa Rica. A. S. and P. P. Calvert; Review 395 



Naturalists Directory; Note 134 



Navel Orange ; Note 65 



New Zealand Forests; Note 65 



Nichols, G. E. Interpretation and Application of Terms in Classi- 

 fication of Plant Communities 305, 341 



Node of Angiosperms. E. W. Sinnott; Review 300 



North Carolina Trees. W. C. Coker; Note 66 



Observations on a New Type of Artificial Osmotic Cell. J. Rosett 37 

 Osterhout, W. J. V. Tolerance of Fresh Water by Marine Plant's; 



Review 130 



Parishj S. B. Enumeration of the Plants of the San Bernardino 



Mountains 163, 208, 245 



Pentose Sugars in Plant Metabolism. H. A. Spoehr 365 



Peruvain i\ndes. Isaiah Bo^\anan; Review 129 



Physical Control of Vegetation in Rain-Forest and Desert Moun- 

 tains. Forrest Shreve 135 



Physiographic map of United States; Note 162 



Pine-Barrens of New Jersey. J. W. Harshberger; Review 91 



Pines of the Rocky Mountain Region. G. B. Sudworth; Note 364 

 Plant Associations of Western Pennsylvania. J. E. Cribbs. . . 97, 142 



Plant World; Note 301 



Prize in Soil Physics; Note 132 



Prothallia of Lycopodium. C. J. Chamberlam; Review 225 



Pulling, H. E. Work of 340 



Quarter Century of GrO'Wth in Plant Physiology. B. E. Livings- 

 ton 1 



Rate of Growth of Prosopis in relation to Soil Temperature. W. 



A.Cannon ...320 



Recknagel, A. B. Working Plans for Forest Organization; Review 299 

 Redwoods, Rainfall, and Fog. W. S. Cooper 179 



t 



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