44.4, MR. R. ALLEN ROLFE ON THE GENUS VANILLA. 
Endemic Species of Vanilla. 
Central America. Pfaviana, planifolia. 
West Indies .. -» pheantha, claviculata, barbellata, 
Eggersti, Poitet. 
Braziland Guiana .. ovata, organensis, acuta, parvifolia, 
palmarum, Hostmanni, Gardnert, 
Vellozit, carinata, bicolor, appen- 
diculata, Chamissonis. 
Colombia os -» Methonica,  Sprucei, columbiana, 
ensifolia. 
Peru and Ecuador .. hamata, Ruiziana, odorata. 
West tropical Africa. . africana, acuminata, cucullata, ra- 
mosa, ovalifolia, grandtfolia. 
East tropical Africa. . Roscheri. 
Mascarene Islands .. madagascariensis, Phalenopsis, Hum- 
blotii. 
Ceylon and S. India... Moonti, Wightiana, Walkeric. 
Burma. . - -- Parishit. 
Malaya .- -- Grifithii, albida, borneensis, palem- 
banica, aphylla. 
Philippine Islands ., philippinensis, calopogon. 
Distributed Species of Vanilla. 
West Indies, Brazil, and Guiana. . . .. Wrighti. 
Central America, West Indies, Brazil, and 
Guiana .. ..  tnodora. 
ee ee 
Central America, Brazil, Guiana, and Columbia Pompona. 
Economic Uses. 
The fruit of Vanilla planifolia is the true Vanilla of 
commerce, which is said to have been first brought to Europe 
as a perfume about the year 1510. For some time it was also 
used in medicine, but soon passed entirely into the hands of the 
confectioners, by whom it is very largely used for flavouring 
purposes. At first collected only in Mexico and Guatemala, 
where it is indigenous, it has also been cultivated there for 
nearly a century, and some time later it was introduced into 
other tropical countries, where, however, artificial fertilization 
