45 



should be dug in autumn after the upper part of the plant has been 

 killed by frosts, as at that time they contain the most sugar. It 

 grows best in loams containing a high percentage of potash. 



Hipprjcrepis comosa (Horse-shoe vetch). This perennial fodder 

 plant is quite widely cultivated in middle and southern Europe and 

 northern Africa. It grows best on stony ground, especially on soils 

 containing lime. It furnishes an early and very nutritious, though 

 scant, forage, and is worthy of a trial on stony soils in the warmer 

 portions of the United States. 



ig- J 3- Wild vetch (Hosackia piirshiana]. 



Hof manse ggia. Leguminous shrubs or herbaceous perennials 

 native of Texas and Xc\v Mrxico, especially along the Rio Grande 

 and its tributaries. The fnlhge is eaten by stock. Small, sweet 

 tubers are produced by certain species, which in years of famine 

 are eaten by the Mexicans and Indians. 



Hosackia glabra (Deerweed). This low bush of weedy herb 

 grows on the mesas, and in the mountains and desert regions of 

 southern California. It grows two or three feet high on the driest 



