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air. It yields good forage while young, but should not be fed after 

 the flowers appear. The seeds contain a bitter alkaloid. After 

 this has been removed by soaking or boiling, the seeds are some- 

 times used as food. 



Lupiniis hirsiitus (Blue lupine). The blue lupine is an annual, 

 much resembling L. albns in value and habit of growth. Its only 

 use is for turning under as a green manure. 



Ltipinus Inlcns (Yellow lupine ; scented yellow lupine). This 

 annual species is the one most generally used in middle Europe to 

 improve sandy soil, as the best of all yet tested. It is satisfactory 



Fig. 17. Lupine (Lupiniis nibus). 



even on sand dunes along the coast. Like the other lupines, it can 

 be fed green, or as hay. The seeds of this species are very fatten- 

 ing when used as an addition to hay, and arc in this respect quite 

 equal to oil cake, while the foliage is said to be not inferior to that 

 of clover, and more bulky. Ninety pounds of seed are required per 

 acre. It should be sown in spring as soon as the ground is, warm. 

 It attains maturity very rapidly. Lupines, unlike most other 



