NO. 2 GENTRY : LAND PLANTS 189 



Littoral of the tropics and subtropics in North and South America 

 and in western Africa. 



The inflorescence is very young, indicating the start of the flowering 

 period for the Oaxaca population. 



Plumbaginaceae 



Plumbago scandens L., Sp. PI. ed. 2, 215. 1762. 



Chacagua Bay, Oaxaca, March 21, Elmore D6, sandy soil in the 

 shade of dry hot forest, 10 feet elevation. 



Widely distributed in the tierra caliente of tropical America from 

 Tamaulipas and Sonora south along both coasts. 



ASCLEPIADACEAE 

 ASCLEPIAS CURASSAVICA L., Sp. PI. 215. 1753. 

 Tenacatita Bay, Jalisco, May 8, Elmore 1A19. 

 Widely distributed in tropical and subtropical America from south- 

 ern Sonora and central Baja California southward. 



FuNASTRUM Clausum (Jacq.) Schlechter, Rep. Sp. Nov. Fedde 

 13:283. 1914. 



Tenacatita Bay, Jalisco, May 8, Elmore 1A23, climbing on shrubs 

 on stream bank around pools of a dry stream, flowers white. 



Widely known through tropical and subtropical America and nearly 

 throughout Mexico. 



CONVOLVULACEAE 



Ipomoea pes-caprae (L.) Roth., Nov. Sp. PL 109. 1821. 



Chacagua Bay, Oaxaca, March 21, Elmore D23, among and on the 

 small sand dunes of the beach. 



Along the beaches of the tropics and subtropics of both hemispheres ; 

 type from India. 



Hydrophyllaceae 



WiGANDiA CARACASANA HBK., Nov. Gen. & Sp. 3:127. 1819. 



Tenacatita Bay, Jalisco, May 8, Elmore 1A15, sandy rocky alluvium 

 on dry stream bank at 10 feet elevation, flowers blue. 



From northern Sinaloa, Mexico south through Central America to 

 northern South America. 



BORAGINACEAE 



CoRDiA Seleriana Fern., Proc. Am. Acad. Sci. 36:498. 1901. 

 Tenacatita Bay, Jalisco, May 8, Elmore 1A4, in dry open forest at 

 15 feet elevation, flowers white. 



Southwestern Mexico from Jalisco to Oaxaca ; type from Huilotepec, 



