62 
BULLETIN 1498, U. S. DEPARTMENT OF AGRICULTURE 
years was the leading wheat in the Pacific Coast States, but gradually 
is giving way to better varieties which have been introduced. 
Fig. 79.— Distribution of Pacific Bluestem 
wheat in 1919. Estimated area, 1,363,400 
acres 
Fig. 80.— Distribution of Pacific Bluestem 
wheat in 1924. Estimated area, 371,434 
acres 
DICKLOW 
The relative importance of Dicklow wheat did not change much 
between 1919 and 1924, as is shown in Figures 81 and 82. Previous to 
1919 it had enjoyed a rather rapid expansion. In southern Idaho, 
Fig. 81. — Distribution of Dick- 
low wheat in 1919. Esti- 
mated area, 164,600 acres 
Fig. 82.— Distribution of Dick- 
iow wheat in 1924. Esti- 
mated area, 115,947 acres 
where Dicklow wheat is grown principally, the variety is being super- 
seded by Federation. 
The distribution of Sonora wheat in 1919 and in 1924 is shown 
in Figures 83 and 84. About 88,000 acres of Sonora wheat were grown 
in 1924, chiefly in California and Arizona. In general, this variety 
has been on the decline since the introduction of wheats of higher 
quality, but in Arizona the acreage of Sonora actually increased be- 
tween 1919 and 1924. The Sonora variety has remained popular in 
the hot interior valleys of California and Arizona, 
