NO. 6 GENTRY : LAND PLANTS 5 



San Nicolaas, April 8, Elmore N6; in dry hot rocky semi-desert. 

 Distribution: Widely distributed in the tropics of the New World, 

 also in western Africa. 



CACTACEAE 



Cactus intortus Miller ? 



Vicinity of San Nicolaas, April 8-9, Elmore Nil. 



The material is too fragmentary for certain identification. 

 Opuntia Tuna (L.) Mill. 



San Nicolaas, April 8-9, Elmore NIO; in dry hot boulders at 25 feet 

 elevation. 



Distribution: Widely distributed in the West Indies, type from 

 Jamaica. 



The small joints and long porrect spines appear to reflect the arid en- 

 vironment. It agrees with Brit. & Rose's description of the species, (Carn. 

 Inst. Publ. 248, 1 : 114) except for the petals which are tipped with a 

 small bristle. 



ASCLEPIADACEAE 



Calotropis procera (Ait.) R. Br. 



Vicinity of San Nicolaas, April 8, Elmore Nl ; on coralline rock. 



Distribution : West Indies. 



Elmore reports that they form large shrubs or small trees 3 to 30 feet 

 high ; flowers white and purple. 



BORAGINACEAE 



MeSSERSCHMIDIA GNAPHALODES (L.) Jtn. 

 Tournefortia gnaphalodes R. Br. Prod. 496. 1810. 



Vicinity of San Nicolaas, April 9, Elmore N4; in sand of the upper 

 beach; flowers white. 



Distribution : Florida and the West Indies. 



SCROPHULARIACEAE 



SCOPARIA DULCIS L. 



Vicinity of San Nicolaas, April 9, Elmore N3. 

 Distribution: Widely distributed in tropical America. 



