Xo. 5S5] 



INHERITANCE OF HABIT 



549 



Black Valentine— Lai-,., medium, fairly ,. n vt. ...-rasional .Irooping brand 



Blue Pod— Medium, erect, no runners or spreading branches. 

 Bountiful— Large, medium, fairly erect when young, but drooping when J 



ture, no runners or decided spreading branches. 

 Burpee Kidney— Large, no runners, but usually drooping with fruit-la. 



branches and spreading when mature. 

 Burpee White Wax — Large, sometimes with drooping branches, but no i 



Challenge Black Wax— Very small, erect, no runners or spreading brand 

 Curries— Medium, erect, no runners or spreading branches. 



Early Refugee— Medium, very erect, no runners or spreading branches. 



spreading 

 I branches. 



no runners or decided spreading 



R. A. Emerson in his experiments on heredity of plant 

 habit in bonus found three main character pairs con- 

 cerned, namely, length of plant axis, developed in vari- 

 ous degrees; twining habit or circumnutation developed 

 in various degrees or not at all ; and lastly, the position of 

 pods, axial or terminal. His data involve chiefly the 

 latter character pair, which is inherited in a 3:1 propor- 



