Plate 36 



Fig. I. YCt 2-i-b. Branch section of Citrus maxima, cut November 26, 1940. 

 Portion of xylem for 1939-1940. Extreme multiplicity in an irrigated dicot 

 grown at Yuma, Ariz. Twelve or more gls for i to 2 years. 



Fig. 2. YCt 2-3-a. Branch section of Citiiis maxima, cut November 26, 1940. 

 Xylem of 1939-1940. Multiplicity in a dicot ; complex lensing ; probable effect 

 of irrigation. Six to twelve gls for 4 tip flushes for 2 years. 



