108 BLACK MEDICK. 



ovate, smootli, yellowisli. This plant has such ^ 

 general resemblance to the proper trefoils or clovers, 

 that it is often mistaken for some of the smaller spe- 

 cies. The form and color of the seed pods afford a 

 ready mark of distinction. Root annual ; in some 

 situations, biennial. 



Way's Analysis. 



100 parts as taken green from the field June 6th. 



Water 76.80 



Albuminous or flesh forming principles 5.70 



Fatty matters. 94 



Heat producing principles, starch, sugar, gum, etc.. .. 7.73 



Woody,Pibre....r 6.33 



Mineral matter or Ash 2.51 



100.00 

 100 parts of the grass dried at 212"^ Fahr. 



Albuminous or flesh forming principles 24.60 



Fatty matters 4 .06 



Heat producing principles, starch, sugar, gum, etc. . . 33.31 



Woody Fibre 27.19 



Mineral matter or Ash 10.84 



100.00 



The common yellow clover, as this plant is gener- 

 ally termed in England, is too well known to require 

 a lengthy description of it. It has been cultivated in 

 mixture with red clover and rye grass for a great 

 length of time. Its seeds, which are produced in 

 much greater abundance, are, consequently, cheaper 

 than those of the other clovers. The seed of this 

 plant falls so readily that great loss ensues from 

 moving it, and in threshing the least stroke clears it. 

 This plant is adapted for light soils which have been 

 subsoiled, as the root penetrates to a considerable 



