Alfalfa 
ii 
Plates Nos. 9 and 10.— Two adjacent Turkestan plants, May 3, 1909, two days after freeze of 18°. No. 1, dark green 
foliage, practically uninjured. No. 2. light green foliage, leaves and stems entirely frozen back. (Plate from Colo¬ 
rado bulletin, No. 154.) 
