Rock Cress
Arabis hirsuta. Mustard Family.
Erect; one to two feet high. Stem-leaves.--Oblong or lance-shaped; sometimes toothed; partly clasping by a somewhat heart-shaped base. Flowers.--Small; greenish white; clustered. Calyx.--Of four early-falling sepals. Corolla.--Of four petals. Stamens.--Six; two shorter than the others. Pistil.--One. Fruit.--A long, narrow, flattened pod.
During May and June in rocky places, especially northward, we find this flower in abundance.