Interior of the U.S. Botanic Gardens.

The U.S. Capitol and Botanic Gardens.

Conservatory at Washington, D.C.

West Front of U.S. Capitol and Botanic Gardens.

Botanical Gardens, Washington, D.C.

Interior of the U.S. Botanic Gardens.

Botanic Gardens, Washington, D.C.

U.S. Conservatory, Botanical Garden - Washington.

Government Conservatory, Washington, D.C.

Agricultural Depot.

Bird's Eye view, Agriculture, Smithsonian, and Capitol.

Metropolitan and Suburban Architecture, Scenery, &c., Washington, D.C.

The Agriculture Department.

Agriculture Dept., Washington

Green House, Agriculture Department.

Conservatory, U.S. Agriculture Department, Washington.

Washington.

President's House, Conversatory Room.

Conservatory, President's House.

President's Conservatory, Washington, D.C., Conservatorio del Presidente, Washington, D.C., E.U. de A.

View of cactuses.

Yate's Castle -- Green House, Syracuse, N.Y.

Woman looking at flowers.

Floral Gallery, Long Branch, N.J.

Saranac Cucumber Conservatory, Littleton, N.H.

Front view of the Garden, St. Louis.

View of main Conservatory with employees working.

Interior of Plant House.

Greenhouse in the distance.

Green House in Shaw's Garden, St. Louis, Mo.