The Pulse family embraces over 400 genera with about 7,350 species of trees, shrubs, and herbs. Out of this number 100 genera with about 1,400 species are found in North America, and about 25 genera with 65 species are recorded for West Virginia. Only 3 genera with 3 species in this State can be classified as trees.

Gleditsia, (page 161).—About 11 species belonging to this genus are distributed throughout the temperate regions of Asia and eastern North America, 3 of which are native to the south-central and eastern parts of the United States. One is found in West Virginia.

Cercis, (page 163).—This genus includes 7 species of small trees and shrubs distributed in parts of Europe, Asia and North America, 3 of which are found in the United States and one in West Virginia. The genus is of little commercial importance.

Robinia, (page 165).—- This is an American genus containing 7 species, 4 of which are shrubs, one tree species being found in West Virginia. Locusts have been introduced into Europe where they are widely planted. The Rose Acacia (Robinia hispida, L.) is occasionally planted for ornamental purposes.

The Kentucky Coffee tree (Gymnocladus dioica, (L.) Koch.) has been planted in many sections of the State, and is reported by Millspaugh as native in Randolph and Webster counties.