TWO TYPES OF PROLIFERATION IN ALFALFA. 11 
larging again to a diameter equal to or greater than any previously 
attained. The greatest length of any proliferating lateral root so 
Fic. 6.—Plant of Medicago falcata (S. P. I. No. 28071), showing new plants produced from 
proliferating roots. The character of growth in the diameter of these roots is typified 
in this illustration. Plants of considerable size are produced in this case without a 
definite root system of tbeir own. 
Fic. 7.—Shoots of alfalfa starting from proliferating roots. These shoots had their origin 
from 4 to 6 inches beneath the surface and when photographed were depending entirely 
on the proliferous root for support. 
- far found is a little over 4 feet, but indications are that their growth 
in length is limited largely by soil conditions—a loose, loamy soil 
[Cir. 115] 
