Capsella Bursa-pastoris. - Family, Mustard. Leaves, mostly clustered at root, with a few arrow-shaped, scattered along the stem, all much and variously cut, sessile. Small, white flowers grow in long racemes, the triangular pods, called silicles, rapidly forming below. Pod, 2-valved, valves boat - shaped. 6 to 20 inches high. Common weeds.