MEDICAGO FALCATA, A YELLOW-FLOWERED ALFALFA. 2a 
able; the racemes are inclined to be compact; stems of medium length, 
inclined to be long; leaves not especially abundant. This type of plant is 
common in S. P. I. No. 24452 and is illustrated in figures 10 and 11. 
Group 3.—Ascending.—Plants of this group have medium broad crowns, with 
an average diameter less than those in group 2. Habit of growth, ascend- 
ing. No striking characteristics are found generally in their flower or seed 
habits. Stems rather coarse, inclined to be crooked, and not especially 
abundant; leaves usually not abundant. This type is found quite commonly 
in S. P. I. Nos: 20718, 20719, 24455, 28070, and 28071 and is well illus- 
trated in figures 12, 138, and 14. 
Fic. 10.—Individual plant of Medicago falcata, S. P. I. No. 24452, a broad-crowned plant 
with long procumbent to decumbent stems, representing Group II. 
Group 4.—Suberect.—Plants of this group have medium to small crowns and 
are ascending to erect in habit of growth. They are not characterized by 
special flower types, but in general produce seed sparingly. The stems 
are stiff and the leaves approach those of Medicago sativa in shape, but 
are Smaller and more abundantly produced. This type-of plant is found 
in 8S. P. I. Nos. 20718, 20719, 24455, 28070, and 28071, but not abundantly. 
It is well illustrated in figures 15 and 16. 
There are many forms that do not fit perfectly into the above 
groups but fall in the zones between the groups, since they have com- 
binations of characters that are not consistent with this classifica- 
tion. However, the four groups described, if interpreted liberally, 
can be made to cover a large majority of the forms of the species so 
