28 



a succession of them through the months of July and 

 August. 



It has a bulbous root, containing a good deal of 

 flour, which may be easily extracted, to be used as 

 •tarch or as flour. The root itself is good food for 

 cattle. This plant, though totally neglected by us, is 

 cultivated in China, and supplies whole districts with 

 food. 



