Abstract

Break in West Indian Flora Between Saint Croix and Saint Thomas

Apart from weeds of various origin and occurrence, the West Indian flora is an intricate blending of plants identical with or closely related to those of South America on the one hand and of North America on the other hand, with a relatively small proportion of true endemism of types. The chain of islands has been held for a “province” of the Tropical American floral region, correlated with the tropical Mexican province of North America and the subequatorial Andine and cisequatorial Savanna provinces of South America and contiguous Central America.

The flora of Trinidad and other islands close to the South American coast is essentially a South American flora except for obvious introductions. The flora of the Bahamas may be said to have contributed characteristic elements to subtropical Florida, rather than to be a temperate North American flora, and it appears to be largely of Cuban derivation.

A number of . . .

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