Bur-Clover
Medicago Denticulata, Willd. Pea Family
Stems.—Prostrate or ascending. Leaves.—Trifoliolate. Leaflets.—Cuneate-obovate or obcordate; toothed above. Flowers.—Papilionaceous; small; yellow; two or three in a cluster. Stamens.—Nine
CREAM-COLORED WALL-FLOWER—Erysimum grandiflorum.
united, one free. Pods.—Coiled into two circles; armed with hooked prickles. Hab.—Common everywhere; introduced.
The bur-clover is a little European weed which has become very widespread and very much at home among us. It is an excellent forage-plant, and in late summer, when our cattle have eaten everything else, they feed upon the little burs, which are very nutritious in themselves. But these same little coiled burs, with their numerous firm hooks, work great damage to wool, imbedding themselves in it so firmly as to make it very difficult to remove them without seriously injuring its quality. These plants invade our lawns, where they become very troublesome.