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VARIETIES OF POD HAIR 



The first is a typical stinging bristle from the Velvet x China hybrid. The second and third are 

 typical fine downy hair= from the Lyon and China beans, re'spectively. The fourth is a long, 

 coarse downy hair from the Yokohama bean. The fifth is a hair of long tomentum frorn 

 the Velvet bean. The sixth is one of the longest hairs of the fine tomentum on the 

 smooth, black pods found in the second generation hybrids. Scale in tenths and hundredths 

 of a millimeter. (Fig. 15.) 



357 



