The trees and shrubs alone belonging to the Nettle family number 1000 or more, most of which are tropical. The herbaceous representatives of this family in West Virginia are mostly unimportant weeds, but the 3 genera and 4 species of trees have considerable commercial value and are attractive ornamentally.

Ulmus, (pp. 117, 119).—There are about 15 known species of Elms of which 6 are native in North America and 3 in West Virginia. The English Elm (Ulmus campestris, L.) is planted for ornamental purposes. The Cork Elm (Ulmus racemosa, Thomas) is reported from Summers, Monroe, and Randolph counties.

Celtis, (page 121).—There are about 60 species of Hackberries, 9 being natives of North America and 2 natives of West Virginia. Besides the species herein described Celtis pumila, Pursh, a shrubby variety, grows at Harpers Ferry and other stations in the eastern part of the State.

Morus, (page 123).—About 10 species of Mulberries are known, of which 3 are native to North America and 1 to West Virginia. The White Mulberry (Morus alba, L.) a native of Asia, introduced to furnish food for silk worms, has become established in many sections.

The Osage Orange (Maclura pomifera, (Raf.) Sch.), a member of this family found native in the southwestern states, has been introduced into many sections where it is planted for hedges.

Paper Mulberry (Broussonetia papyrifera, Vent.), a Japanese species, is reported from Jefferson, Berkeley, Kanawha, and other counties. The Common Fig Tree (Ficus Carica, L.) is occasionally found in the eastern part of the State where it has been planted.