8 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



COMPOSITAE 

 GuNDLACHiA CORYMBOSA (Urban) Brit. 



Fort Nassau, Schottegat Bay, Willemstad, April 23, Elmore fVll; 

 in dry, sandy, coralline soil. 



Distribution : Curagao, the type locality, and vicinity. 



ISOCARPHA OPPOSITIIFOLIA (L.) R. Br. 



Fort Nassau, Schottegat Bay, Willemstad, April 23, Elmore WIO; 

 shaded in sandy, coralline soil. Flowers white. 



Distribution : Widely dispersed in the American tropics from Texas to 

 South America and the West Indies. 



TORTUGA ISLAND, VENEZUELA 

 GRAMINEAE 

 Sporobolus pyramidatus (Lam.) Hitchc. 



Tortuga Island, April 13, Elmore P6; on dry, flat, coralline rock. 

 Distribution : South America. 



AIZOACEAE 

 Sesuvium portulacastrum L. 



Tortuga Island, April 14-15, Elmore PIO. 



Distribution : Littoral, nearly throughout tropical America. 



SIMAROUBACEAE 

 Castela Nicholsoni Hook. 



Tortuga Island, April 14-15, Elmore P7. A few shrubs observed on 

 dry rocky sandy level of the coralline atoll. 



Distribution: West Indies, Antigua, St. Croix, Cubagua, and 

 Tortuga; the type from Antigua. 



ANACARDIACEAE 

 Spondias purpurea L. 



Tortuga Island, April 13, Elmore P6; dry sandy soil of coralline atoll. 



Distribution: Widely distributed in well-drained soils from Mexico 

 to South America and the West Indies. 



MALVACEAE 



GOSSYPIUM BARBADENSE L. ? 



Tortuga Island, April 13, Elmore P3; on coralline rocks. 



Distribution : Many forms of this common cotton are cultivated in the 

 warmer parts of the world. It has escaped cultivation in many places and 

 the collection, which cannot be identified certainly because of insufficient 

 material, is probably one of the local insular forms. 



