466 
bushel and a peck of seed. In Ohio it is the custom to turn the more weakly 
of the sheep into the fields of rye, whence they obtain an abundance of very 
succulent food, at a time when it is most needed by them, and before it can be 
obtained from the ordinary pasture grasses. 
Analysis of Rye. (Emmons’ Ag. of N. Y., Vol.2, pp. 120—123): 
Heads when 
in bloom. 
. OC 
> 2 p 
a -5 p 
O) « o 
►■4 
c 
a 
Top half of 
ripe straw. 
Bottom half 
of ripe straw. 
Leaves and 
sheaths, ripe. 
Ripe chaff. 
Ripe grain. 
Silica. 
61.800 
35.900 
70.700 
28.250 
71.650 
85.600 
3.450 
Goal... _ ..... 
4.000 
4.500 
Phosphates. 
17.100 
15.600 
14.850 
15.600 
14.250 
4.600 
55.450 
T , i m o . __ 
0.507 
2.849 
1.410 
Garhnnate of lime ___ 
5.132 
0.817 
1.664 
0.282 
Magnesia . 
a trace 
2.600 
0.300 
2.600 
0.500 
0.500 
0.400 
Potash . 
0.266 
21.672 
3.723 
28.402 
2.720 
3.922 
18.217 
Soda. 
none 
2.292 
1,324 
17.615 
3.333 
1.994 
8.931 
Chloride of sodium . 
12.600 
. . . . im m » 
1.716 
0.489 
1.184 
0.245 
0.709 
Sulphuric acid . 
4.296 
5.090 
0 343 
1.546 
0.100 
0.206 
4.724 
flurhnnif*. acid _ 
0.500 
a trace 
a . trace 
a trace 
niilnvirlfi of notassinm. 
1.586 
Organic acid. 
6.080 
2.400 
1.305 
4.500 
2.650 
1.150 
6.125 
Tjf^ss - ... 
2.900 
2.796 
.119 
1.712 
104.211 
103.535 
100.000 
100.412 
100.000 
100.000 
100.000 
TRIBE VIII. AVENE JE. 
Spikelets 2 to several, panicled, the terminal flower mostly imperfect; glumes 
and paleae thin and membranaceous or chartaceous; the lower paleae bearing 
t 
a twisted or bent awn on the back; stamens three; seales two. 
GENUS 39. AIRA. Linnceus. 
(Greek, air a, tlie herb darnel or taresj 
Spikelets two-flowered, in an open diffuse panicle; the flowers both perfect, 
(sometimes with a third imperfect), usually shorter than the membranaceous 
keeled, often lead-colored glumes, hairy at the base; lower palea three to five- 
served, awned on the back below the middle; stamens 3; grain oblong, smooth. 
105. Aira C^espitosa. Linnceus. 
Syn.—A. ambigua, Michx. A. aristulata, Torr. Deschampsia csespitosa, 
Beauv. Tufted hair-grass. 
