CONTENTS 



Page 



Occurrence of Quercetin in Emerson's Brown- Husked Type of 

 Maize. Charles E. Sando and H. H. Bartleit i 



Biological Analysis of the Seed of the Georgia Velvet Bean, Stilzo- 

 lobium deeringianum. BarnETT Sure and J. W. Read (15 text 

 figures) 5 



Effect of Soil Temperature upon the Development of Nodules on 

 the Roots of Certain Legumes. FrEd reuel, Jones and W. B. 

 TiSDALE (4 text figures; 3 plates) 17 



Influence of the Period of Transplanting Western White Pine Seed- 

 lings upon Their Behavior in Nursery and Plantation. E. C. 

 Rogers (7 text figures) 33 



A Dryrot Canker of Sugar Beets. B. L. Richards (6 plates) .... 47 



Comparative Vigor of Fj Wheat Crosses and Their Parents. Fred 



Griffee 53 



Temperature and Humidity Studies of Some Fusaria Rots of the 

 Irish Potato. R. W. Goss (2 plates) 65 



Blackleg Potato Tuber-Rot under Irrigation. M. Shapovalov and 



H. A. Edson (6 plates) 81 



Microscopic Study of Bacteria in Cheese. G. J. HucKER (i plate) . 93 



Further Studies on Relation of Sulphates to Plant Growth and 



Composition. Harry G. Mii^l,er loi 



Soybean Mosaic. Max W. Gardner and James B. Kendrick (2 



plates) HI 



Influence of the Plane of Nutrition on the Maintenance Require- 

 ment of Cattle. F. B. Mumford, A. G. Hogan, and W. D. 

 Salmon 115 



Turnip Mosaic. Max W. Gardner and James B. Kendrick 



(i plate) 123 



Hydrocyanic Acid in Sudan Grass. C. O. Swanson 125 



Nutrient Requirements of Growing Chicks: Nutritive Deficiencies 

 of Corn. F. E. Mussehl, J. W. Calvin, D. L. HalberslEben 

 and R. M. SandsuEdt (ii text figures) 139 



Aecial Stage of the Orange Leafrust of Wheat, Puccinia triticina 



Eriks. H. S. Jackson and E. B. Mains (i plate) 151 



A Transmissible Mosaic Disease of Chinese Cabbage, Mustard, 

 and Turnip. E. S. SchulTz (4 plates) 173 



Flora of Corn Meal. Charles Thom and Edwin LeFevre 179 



, Hopkins Host-Selection Principle as Related to Certain Ceramby- 



u. cid Beatles. F. C. Craighead 189 



in 



