8 
Colorado Experiment Station 
Plate No. 5.—Seedlings of four months’ growth under similar condi¬ 
tions, showing contrast in stooling habits. The crowns on 1 the left, Spanish 
alfalfa, typical of our common alfalfa, upright crowns without protected 
buds. The crowns on the right, two Grimm’s alfalfa crowns, same age, typ¬ 
ical of the hardy type having the underground shoots. 
It has been observed that a marked difference exists between the 
type of the crown, or the stooling habits, of the hardy and non-hardy 
strains. Plate No. 2 illustrates this contrast in the crowns of two 
four-year-old plants taken from the nursery, each representing a 
typical crown of the two types of plants. The distinction between 
