On the Himalaya, and on the isolated mountain ranges of the peninsula of India, on the heights of Ceylon, and on the volcanic cones of Java, many plants occur either identically the same or representing each other, and at the same time representing plants of Europe not found in the intervening hot lowlands.
Himalaian eta Indiako penintsulako mendilerro isolatuetan, Ceylango goialdeetan eta Javako sumendi konikoetan, landare asko ageri dira, edo berberak direnak edo elkar errepresentatzen dutenak, eta, aldi berean, baita Europako landareak errepresentatzen dituztenak ere, bitarteko beterri beroetan aurkitzen ez direnak.