84 ALIfAI<FA 



possible alike. Ten roots, five of which are shown in 

 Figs. 12, 13, 14, were taken from each of three fields, 

 and a comparative study made of them is best illus- 

 trated in tabular form: 



, Figures , 



12. 13. 14. 



Average thickness of tap-root, inches . 9-16 8-16 5-16 

 Average number of root branches to each 



tap-root 5-4 5-i 4-2 



Average number of stalks to each branch 7 7 4 

 Average number of forage-raising stalks 



to each tap-root 37.8 35.7 16.8 



KILLS THE CUTWORMS, TOO 



" In our field-camp in the summer of 1899 another 

 proposition came before us — viz., the presence of cut- 

 worms in the alfalfa. It is known to many who raised 

 alfalfa that season that there was a little, dark-green, 

 striped worm which did considerable damage in soirie 

 alfalfa fields. This worm likewise spends the winter 

 in chrysalis form, beneath the surface of the ground, 

 and the disk-harrow will destroy it if applied in the 

 early spring, after the frost has left the ground. 



ALFALFA HONBY 



" In the condudl of these investigations the study 

 of alfalfa as a honey plant and the adlion of bees 

 thereon have come in for a share of our attention. 

 Apiaries existing under various conditions in the 

 alfalfa region have been visited, and correspondence 

 carried on with leading apiarists from all parts of the 

 state. 



' ' The alfalfa blossom is so construAed that it is 

 impossible for it to fertilize itself; the pollen cannot 

 fall upon the point of fertilization, but must be carried 



