32 BULLETIN 336, U. S. DEPARTMENT OF AGRICULTURE. 
of grain and straw indicate that the proportion of grain to straw in 
rye is somewhat less than in wheat. The average weight per bushel 
has been about lh pounds below the standard, with little variation 
between individual varieties. 
LEADING VARIETIES. 
The number of distinct varieties of rye is quite small. A large 
number of the so-called varieties have no particular distinguishing 
characters. It has been found at Arlington Farm that the several 
distinct varieties are becoming harder to recognize from year to year, 
despite the precautions that are taken to prevent cross-pollination. 
Fig. i— Heads of f our varieties of winter rye grown at Arlington Farm: 1 . Giant Winter: 2, Virginia 
Winter; 3. Abruzzes; 4, Henry. 
It is believed that eventually it will become necessary to discontinue 
all but the one variety that possesses the most desirable characters 
and then improve this one isolated variety. The different varieties 
grown at Arlington Farm during the past four years are all of more 
or less promise. For this reason the origin and a brief mention of 
each are given in the following paragraphs. 
Giant Winter. — The Giant Winter rye, C. I. No. 30, was obtained 
from France through, the Office of Foreign Seed and Plant Introduc- 
tion in 1902. The three strains of this variety in Table IX are all 
from the same original stock. The California strain was obtained 
from that State in 1910, in order to compare it with the strain which 
had been grown continuously in the East since the importation of 
