46 
contains about 13 per cent of crude protein. To make the best hay, it must be 
cut when in full bloom; cut later, there is some danger in feeding it, especially 
to horses, on account of the bristly hairy bracts of the inflorescence, which form 
hair balls in the stomach. A number of such cases, resulting in considerable 
loss, have been reported during the past seasons. E 
Trifolium involucratum. 3 
An annual 1 or 2 feet high, with leafy, branching stems, terminating in from 1 to 3 
West 
purplish heads. It has a wide range throughout the West. 
lium medium. Cow grass; Cow clover; Large American clover; Mammoth 
clover; Large clover; Fall clover; Saplin or sapling clover; Pea-vine clover; 
E 
— 
N [s DS 
3 
Y UR " 
Y 
\ 
SD 
We 
x 
QS 
d 
D 
S 
N 
A 
AN 
4 Y 
FA 
Fig. 49. — Trifoli gacephal FIG. 50.—Red clover (Trifolium pratense). 
Meadow clover; Sand clover; Zigzag clover; Clover trefoil; Medium clover; 
Early clover; Wavy-stemmed clover; Zigzag hare clover; Red perennial meadow 
clover; Soiling clover; Perennial red clover. 
A rank-growing perennial with zigzag stems, oblong, entire, spotless leaflets, and 
stalked heads of purple flowers. Itis better adapted to wet meadows or marshy 
lands than is the ordinary clover, and in such places makes a very rank and 
rapid growth. It has about the same feeding value as red clover, and is well 
adapted to soiling purposes. Ten pounds of seed should be sown per acre. 
Trifolium megacephalum. (Fig. 49.) 
This wild clover grows in the mountains from Montana to California. It is distin- 
guished from red clover, which it somewhat resembles, in having unbranched 
stems about a foot high, and wedge-shaped five to seven parted leaves which 
nearly all arise from the base of the stalks. The terminal flower head is about 
1j inches long. It is one of the best native pasture plants of that region. 
