28 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



POLYGALACEAE 



SeCURIDACA DIVERSIFOLIA (L.) Blake 



Bahia Honda, March 28, Elmore H17 ; clay soil in forest clearing at 

 50 feet elevation, flowers purple. 



Distribution: Tamaulipas and Jalisco to Ecuador, and the West 

 Indies. 



EUPHORBIACEAE 



ACALYPHA DIVERSIFOLIA Jacq. 



Barro Colorado Island, May 1, Elmore X7. 



Distribution : Central America and South America. 



Croizat, who determined the collection, states that the identity cannot 

 be certain since female flowers are lacking. 

 Euphorbia GLOMERiFERA (Millsp.) Wh. 



Caledonia Harbor, Mt. Vernon, April 3, Elmore L25 ; in shade of dry 

 open forest. 



Distribution : General in the American tropics. 

 Euphorbia hirta typica Wh. 



Frijoles, Canal Zone, May 1, Elmore Y7 ; along railroad. 



Distribution : General in the American tropics. 

 Manihot esculenta Crantz 



Caledonia Harbor, Mt. Vernon, April 3, Elmore L20; clay soil of dry, 

 open forest at 5 feet elevation. 



Distribution: Native of Brazil, cultivated in moist tropical regions 

 and sometimes escapes locally. 



ANACARDIACEAE 

 Mangifer indica L. 



Bahia Honda, March 28, Elmore H13 ; a single tree observed on an 

 exposed slope of the forest. The specimen was in flower. 



Distribution : Native of Asia but widely cultivated in tropical America 

 where it has escaped locally, as in the present case. 

 Spondias purpurea L. 



Bahia Honda, March 28, Elmore H47 ; shaded in moist clay soil. 



Distribution: Widely distributed in the American tropics and sub- 

 tropics. In Mexico it is generally known as "ciruelo" and the plum-like 

 fruits are used for making preserves. It flowers and fruits in the spring 

 dry season. 



