70 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



501. E. barbata, Desv. 



St. Croix; St. Thomas (DC. Prodr. viii, 453). 



[Cultivated species : Allamanda cathartica, L., and Tabern&montana 

 capemis, L. (v. Cape Jessamine).] 



ASCUEPIADACEJE. 



502. Metastelma parviflorum, R.>Bi~ 



St. Thomas (Duchass). 



503. M. Schlechtendalii, Decs. (M. albiflorum, Gris.). 



Fl. all the year round. In dryNthickets, very common. All islands. 

 (The specific distinction of Grisebach's species does not seem to be 

 sufficiently permanent to justify a separation into two.) 



504. Asclepias curassavica, L. (v. Wild Ipecacuana). 



Fl. all the year round. Boot used as an emetic. Along roads and 

 ditches, common. All islands. 



505. A. nivea, L. 



St. Thomas (Gris. Fl. 419). 



506. Sarcostemma Brownei, Mey. 



St. Thomas (West, p. 278, as Asclepias viminalis, Sw.). 



507. Calotropis procera, R. Br. (v. Silk Cattun). 



Fl. all the year round. Naturalized in dry localities, common, All 

 islands. 



508. Ibatia muricata, Gris. 



Fl. all the year round. In dry thickets, common. All islands. 



509. Fischeria scandens, DC. 



Fl. Aug. In forests, rare. St. Croix (Spring-gut). 

 [Cultivated species; Hoya carnosa, E. Br. (v. Wax-flower) and Ste- 

 plianotis floribunda, A. Brongn.] 



CONVOL.VUI.ACE.I:. 



510. Ipomaea bona-nox, L. 



Fl. Oct.-May. Naturalized in gardens. St. Croix ; St. Thomas. 



511. I. Tuba, Don. 



Fl. all the year round. On shrubs near the coast, uncommon. All 

 islands. 



