Order XVIII.—Ampelideæ: Woody vine; few genera.
Vitis (grape): Zone from 21° N. latitude to 48°. British Isles and Portugal, east to Persia. Middle Atlantic States to California. Cultivated in Australia.
Order XIX.—Sapindaceæ: Trees and shrubs; seventy-three genera.
Acer (maple): Tree. Not south of 38° N. latitude, except in high mountains in northern United States and southern British America.
Order XX.—Anacardeaceæ: Trees and shrubs; forty-six genera.
Anacardium (cashew nut): Tropics of Asia and America, Jamaica.
Rhus (sumach): North America, Canada to Gulf States; Arkansas, Levant, and western Europe, Syria. Cultivated in Sicily, Italy, Turkey, Spain, Portugal.
Order XXI.—Leguminosæ: Herbs, shrubs, trees; four hundred genera.
Acacia (gum arabic): Shrubs and small trees. Tropical and sub-tropical, but widely distributed. Australia, Africa, Asia, America.
Arachis (peanut): Sub-tropical. Southern United States, southern and central Virginia, the Carolinas and Tennessee.