70 FLORA OF ST. CKOIX AND THE VIRGIN ISLANDS. 



501. E. barbata, Desv. 



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



[Cultivated species : Allamanda cathartim, L., aud Tabernwr)wntana 

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



ASCLEPIADACE^. 



502. Metastelma parviflorum, E. Br. 

 St. Tliomas (Duchass). 



503. M. Schlechtendalii, Decs. {M. albifloriun, Oris.). 



n. all the year roimd. In dry thickets, very confmon. — 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 Iijecacuana). 



n. all the year round. Eoot 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, K. Br. (v. Silk Cattuu). 



Fl. all the year round. ]!^aturalized 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, K. Br. (v. Wax-flower) and Ste- 

 phanoiis Jloribunda, A. Brongn.] 



CONVOLVUr.ACE.i:. 



510. Ipomaea bona-nox, L. 



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



511. I. Tuba, Don. 



Fl, aU the year round. On shnibs near the coast, uncommon. — All 

 islands. 



