LEGUMINOSAE (PULSE FAMILY) 243 
leaves; the corolla, a little 
less than a half-inch long, 
yellowish white with narrow 
standard exceeding the wings 
and blunt keel. Pods about 
a half-inch long, two- to six- 
seeded, brown, bur-like, bris- 
tling all over with short, hooked 
prickles, making fast to almost 
anything at a touch and widely 
distributed by animal trans- 
portation. (Fig. 173.) 
Means of control 
Prevent seed development 
and distribution by repeated 
cutting, beginning as soon as 
the first flowers wither. In 
order to kill the perennial 
rootstocks, the land requires 
Fie. 173. — Wild Liquorice (Glycyrrhiza 
lepidota). xX 4. 
to be kept under very thorough cultivation for three successive 
years, giving the weed “no chance to see daylight” throughout 
each growing season. Increased returns from the crops will repay 
extra tillage. 
HOARY TICK-TREFOIL 
Desmodium canéscens, DC. 
(Meibomia canéscens, Ktze.) 
Other English names: Seed Ticks, Wool Ticks. 
Native. Perennial. Propagates by seeds. 
Time of bloom: June to September. 
Seed-time: August to November. 
Range: New England and Ontario to Minnesota and Nebraska, 
southward to Florida, Louisiana, and Texas. 
Habitat: Rich, moist soil; borders of fields and woods, roadsides, 
and waste places. 
To the wool-grower this is one of the most vexatious weeds 
that grow, for its “ticks” are glutinous as well as brist]ly-hooked, 
