128 NOTES AND COMMENT 



Among the papers which will appear in succeeding issues of The 

 Plant World may be mentioned the following: Sunlight and its Measure- 

 ment, by Howard E. Pulling; The Solution and Fixation Accompanying 

 Swelling and Drying of Biocolloids and Plant Tissues, by D. T. Mac- 

 Dougal and H. A. Spoehr; Effect of Fertilization on the Seed of Jeffrey 

 Pine, by E. N. Munns; Water Content and Temperature as Factors 

 influencing Diastase formation in the Barley Grain, by W. E. Pickler; 

 The Role of Temperature in the Determination of the Transpiring 

 Power of Leaves by Hygrometric Paper, by Edith B. Shreve; Native 

 Vegetation as a Criterion of Site, by C. F. Korstian: and The Evidence 

 for a Growth-Inhibiting Substance in the Pear Tree, by H. S. Reed 

 and F. F. Halma. 



