Fig. 98. — Partridge-Pea (Cassia Chamaechrista). Photographed by Lovell.
pollinated by insects visiting them for pollen, they all retain the power of self-fertilization. The species consist of herbs, shrubs, and, in tropical regions, of trees, with evenly pinnate leaves and yellow or white flowers. There are 5 species in the northeastern states, and 25 species in the southeastern states, a part of the species being common in both areas.