ILLUSTRATIONS 



Page. 

 Plate I. Plant of the wild soy bean, No. 22428, grown in greenhouse. . Frontispiece. 

 II. Fig. 1. — Plants of the mid soy bean from Soochow, China, No. 25138, 

 grown at the Arlington Experimental Farm, 1908. Fig. 2. — 

 Plants of the soy bean from Cawnpore, India, No. 24689 78 



III. Rows of soy beans grown in the variety tests at the Arlington Ex- 



perimental Farm i 78 



IV. Plants of seven varieties of soy beans, showing types of habit: No. 



17852, Meyer; No. 17852 B, Peking; No. 17263, Austin; No. 18259, 

 Pingsu; No. 22504, unnamed; No. 17278, HoUybrook; No. 17271, 



Haberlandt 78 



V. The same seven plants shown in Plate IV after hanging in a dry room 



for six months. All have shattered badly but No. 17852 B, Peking. 78 



VI. Pods of soy beans, showing the range in size and shape 78 



VII. Pods of soy beans: No. 19985 L, hairy and smooth pods from one het- 

 erozygote individual; No. 18258 C and No. 17278, smooth pods 

 from heterozygote plants; No. 22898 A, a variety with tumid pods; 



No. 19186 B, a variety with much-compressed pods 78 



VIII . Seeds of 36 varieties of soy beans, showing variation in size and form . 78 

 197 7 



