STARCH IN THE LEGUMINOS^ 257 



are found, which considerably exceed the average in size. None of the 

 grains polarize. The hilum is rather rare ; most frequently linear, 

 rarely branched. Striations invisible. Starch only slightly homo- 

 geneous. 



Voandzeia subterranea (Bambarra Ground-nut).— Seeds fairly rich 

 in starch. The grains are rather uniform both in shape and size. 

 Polarization is general. The hilum is ver\' variable, rarely linear, 

 very frequently branched and formed by a network of branching 

 lines. Striations very fine, scarcely visible save in a few rare grains. 

 Starch fairly homogeneous. 



