An enumeration of the Orchidaceae of Central America, British Honduras and Panama

In the region covered there are some 1335 spp. and 41 vars. Of these, 361 are found also in Mexico; 105 are in the West Indies and 195 are recorded as well for South America. A handful of spp. extend their range into the U. S., and 2 or 3 are found in Africa. Of the countries here considered, Guatemala has 511 recorded taxa, in 86 genera; British Honduras, 97, in 38 genera; El Salvador, 100, in 41 genera; Honduras, 332, in 73 genera; Nicaragua, 139, in 45 genera; Costa Rica, 907, in 108 genera; and Panama, 474, in 88 genera. Brief accounts are given of 13 orchid specialists who have worked with the region, and a brief "Special bibliography" is included. The annotated list includes the origin reference in each case, with list of countries where the sp. occurs, and some-times comment on synonymy, or brief descriptive comments. Sobralia. wercklei (Fregea w. Schltr.) and Stelis. obliquipetala (Physosiphon obliquipetalus A. and S.) are included.