Order IX.—Malvaceæ: Herbs, shrubs.

Gossypium (cotton): Tropical and sub-tropical. East Indies, China, Asiatic Islands, Greece, islands in eastern Mediterranean, Asia Minor, northern and western Africa, Australia, West Indies, southern United States, Venezuela, British Guiana, Brazil.

Order X.—Sterculeaceæ: Trees and shrubs.

Theobroma (cocoa): Tropical and sub-tropical. Brazil and north of Brazil, West Indies, Mexico. Cultivated in Philippine Islands, southern Europe, India.

Order XI.—Tiliaceæ: Trees and shrubs; 40 genera.

Corchorus (yellow jute): Southern belt of North Temperate Zone and Tropics. Cultivated in southern and western Asia, Grecian Archipelago, central and northern Africa.

Order XII.—Linaceæ: Shrubs and herbs; 94 genera.

Linum (flax): Herb. Widely distributed. Hindustan, southern Egypt, throughout Europe, southern and middle Russia, northeastern America.

Erythroxylon (coca): Shrub. Tropical and sub-tropical. Bolivia, Peru, Ecuador, Colombia, northern Brazil.

Order XIII.—Zygophyllaceæ: Trees, shrubs, herbs; seventeen genera.