280 MALVACEAE (MALLOW FAMILY) 
Stem erect, smooth or nearly so, and 
one to three feet tall. Leaves one to 
four inches in length, oblong to lance- 
shape, irregularly toothed, and narrowed 
quite abruptly, to the slender petioles, 
which are about half as long as the 
blades; stipules conspicuous, narrowly 
lance-shape to linear, and longer than 
the petioles. Flowers axillary, growing 
singly or in small clusters, yellow, about 
an inch broad, with five unequal petals 
and a strongly ridged, five-lobed calyx. 
Carpels several to ten, arranged about a 
central axis, netted and wrinkled and 
with two incurving beaks at the top. 
(Fig. 196.) 
Means of control 
Prevent seed development. In culti- 
vated ground tillage should be continued 
Fie. 196.— Paroquet Bur longer than usual, in order to hinder the 
(Bidornemiahe 6% maturing of a late crop of seeds. In 
other places the weed should be frequently and closely cut 
throughout the growing season. 
COMMON MALLOW 
Médilva rotundifolia, L. 
Other English names: Dwarf Mallow, Running Mallow, Round 
Dock, Cheeses, Shirt-button Plant, Maul. 
Introduced. Biennial or perennial. Propagated by seeds. 
Time of bloom: May to October. 
Seed-time: June to November. 
Range: Throughout North America except the extreme North. 
Habitat: Cultivated ground; waste places. 
The deep, branching roots of this plant seem to spread nearly 
as far beneath the soil as its creeping stems spread above it; the 
latter are six inches to nearly two feet long, round, smooth, branched 
