86 URTICACEAE (NETTLE FAMILY) 
perianth but have six to eight stamens and a one-celled ovary, 
sunk in the fleshy rachis of the spike and having three or four 
spreading stigmas; each flower is subtended by a minute white 
bract. The whole plant has a very pungent, spicy odor. Fruit a 
berry or capsule, with three to four carpels each containing six to 
ten very small rounded seeds. (Fig. 46.) 
Means of control 
Drainage; followed by intensive hoe-cultivation, alternated 
with heavy seeding to grass or clover. 
HEMP 
Cénnabis sativa, L. 
Introduced. Annual. Propagates by seeds. 
Time of bloom: July to September. 
Seed-time: August to November. 
Range: New Brunswick to On- 
tarioand Minnesota, southward 
to’ North Carolina, Tennessee, 
and Kansas. 
Habitat: Barnyards, waste 
places. 
Seeds of hemp are often an 
impurity of other seeds, notably 
of oats, particularly if grown in 
the hemp-raising districts of the 
country. The writer first saw 
the plant flourishing finely in a 
vacant lot behind a city livery 
stable. (Fig. 47.) 
Stem three to ten feet in height, 
rather stout, erect and holding 
its branches nearly upright, the 
inner bark fibrous and extremely 
tough and strong, the whole 
plant rough-hairy and strong- 
scented. Leaves compound, with 
Fie. 47.— Hemp (Cannabis sativa). 
xh five to seven very slender leaflets, 
