30 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



STERCULIACEAE 

 Melochia lupulina Swartz 



Nature Trail at Camp No. 1 on Madden Dam Highway, April 1, 

 Elmore J8; on moist shaded stream bank in open forest. 



Distribution : Widespread in tropical America. 



A shrubby herb with accrescent calyces. The petals are white with a 

 yellow spot. 



OCHNACEAE 



OuRATiA Wrightii (Van Tiegh) Riley 



Bahia Honda, March 28, Elmore H44; shaded in moist sandy soil of 

 the upper beach. 



Distribution : Honduras to Panama. 



A shrub or tree up to 5 meters high. The fruits are attached to a fleshy 

 receptacle. Elmore reports the receptacle red, the fruits black. 



COCHLOSPERMACEAE 



Cochlospermum vitifolium (Willd.) Spreng. 



Bahia Honda, March 28, Elmore H16; moist clay soil in open forest. 



Distribution : From Mexico to South America, cultivated in the West 

 Indies. 



This is a widespread tree in the more arid deciduous tropical forests. 

 Its northern limit appears to be in southern Sonora on the Mexican west 

 coast. It is leafless at flowering time in the spring when its large yellow 

 blossoms enhance the light gray bark and make it altogether a striking 

 plant. The seeds bear an aril of glossy fibers similar to that of the kapok 

 trees of the genus Ceiba. 



PASSIFLORACEAE 

 Passiflora vitifolia HBK. 



Caledonia Harbor, Mt. Vernon, April 3, Elmore L15; shaded in 

 opening of dry forest, flowers red. 



Distribution : Nicaragua to Peru, cultivated in the West Indies ; type 

 from along the Magdalena River, near El Pefion, Colombia. 



CACTACEAE 

 Pereskia Bleo (HBK.) DC. 



Caledonia Harbor, Mt. Vernon, April 3, Elmore L34. 

 Distribution : Panama to Colombia. 



