BLAKE): REVISION OF MAHOGANIES 



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and is also cultivated in botanic gardens at Trinidad, Buitenzorg, 

 and Calcutta. Swietenia cirrhata is known in the wild condition 

 from Sinaloa, Michoacan, Oaxaca, and El Salvador, and has been 

 introduced into cultivation in the Botanic Garden at Victoria 

 in Camerun. Swietenia humilis is known as a wild species from 

 the coast of Guerrero, Oaxaca, and northwestern Guatemala. 

 The distribution of these species, so far as it is now definitely 

 known, is shown on the accompanying map. It remains to deter- 

 mine the identity of the mahoganies growing between Honduras 

 and Colombia, and also that of the mahogany recorded from Peru 

 as 5-. mahagoni in DeCandolle's monograph, at a time when only 

 two species of the genus were known from America. 



I. — Map showing range of the species of Swietenia. i, S. humilis; 2, S. cirrhata; 

 3, 5. macrophylla; 4, S. candollei; 5, 5. mahagoni. 



(Note. — The southernmost locality shown on the map in the ranje of No. i, S. 

 humilis, belongs properly to No. 2, 5. cirrhata.) 



As is well known, the name mahogany is applied in the trade 

 not only to the wood furnished by various species of Swietenia 

 but also to similar woods derived from a considerable number of 

 other trees, in some cases belonging to widely separated families. 

 In fact, the bulk of the "mahogany" annually brought to market 



