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Catalpa (About half-a-dozen species)
About half-a-dozen species are embraced in this genus; they are found in China, Japan, North America, and the West Indies. To the species described on pp. 278-9, Vol. I., the following variety should now be added: B. bignonioides foliis-argenteis (silvery-leaved). l. silvery variegated. 1887. Garden variety. A variety with purplish leaves has originated in the United States.