\^\RIOUS FOOD-PLANTS 



51 



.:f^^ 



Fig. 40. — Lima Bean (Pha.'ieulu^ lu/talu.^. Pulse Famil.N'. Lega)fu?iosa) . 

 Plant of a twining variety in flower and fruit x I'a. ( Vilmorin.) — The 

 plant is an annual closely resembling the Kidne\' Bean except that 

 the iiowers are greenish white and the pods are broad, flattened, and 

 curved like a scimitar. 



large amount of indigestible material (cellulose) in propor- 

 tion to the proteid and other nutritive constituents. From 

 this it follows that not only are earth-vegetables more bulky 

 to store than grains and pulse (and, moreover, cannot or- 

 dinarily be kept longer than a few months) but in order to 



