CHAPTER XXXII

THE WEST COAST OF SOUTH AMERICA

The littoral floras of the West Coast of South America.—The Convolvulus

soldanella zone of Southern Chile.—The plantless or desert zone of

Northern Chile.—The Sesuvium zone of Peru.—The Mangrove zone of

Ecuador and Colombia.—The two varieties of Rhizophora mangle, the

“mangle chico” and the “mangle grande.”—The floating vegetable drift

of the Guayaquil River.—The Humboldt current and the climate of the

West Coast of South America.—The advance northward of the arid

climatic conditions of the Peruvian sea-border.—The retreat of the

mangroves.—Evidence of ancient coral reefs on the coast of Peru.—The

shore plants and stranded seed-drift of the Panama Isthmus.—Summary.

_Pages_ 474-501

Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 2 Plant-Dispersal · 第 32 / 47 章