FLORA OF ST. CKOIX A^^D THE VIRGIN ISLANDS. 71 



512. I. tuberosa, L. 



Fl. Feb.-March. In forests, rare. — St. Croix (Bugby Hole) ; St. 

 Thomas (Schl.). 



513. I. dissecta, Piirsli (v. Noyau Vine). 



Fl. Kov.-May. Corolla-tube purple inside. The whole i>lant has a 

 taste of prussic acid, and is used for the preparation of a liquor called 

 iSToyau. On fences and along- roads, common. — All islands. 



514. I. peiitapliylla, Jacq. 



Fl. Dec-March. In thickets and along ditches. — St. Croix; St. 

 Thomas. 



515. I. quinquefolia, Gris. 



Fl. Dec-Jan. Corolla expanded from 8 A. M. to 3 P. M. In pastures 



and low thickets, common. — St. Thomas. 



516. I. Batatas, Lam. (v. Sweet Potato), a), /3) leucorrhiza, and } ) porphyrorhiza. 



Fl. all the year round. Propagated by cuttings. A common vege- 

 table. Cultivated and natiu-alized everywhere. — All islands. 



517. I. fastigiata, Swt. a). 



Fl. Oct.- Jan. In thickets, not uncommon. — St. Thomas. 



518. I. violacea, L. (v. Grauni Vine). 



Fl. Dec.-Feb. Coralla exx)anded towards evening. In forests and 

 along rivulets, not uncommon. — AU islands. 



519. I. cariiea, Jacq. 



St. Croix (Wills Bay sec. West, p. 272). 



520. I. Jeucantha. Jacq. (leon.Rar. ii, t. 318). 



Fl. March-May. Capsule pilose; roots tuberous. On dry hiUs, not 

 uncommon — St. Jan (near Klein Kauelbay). 



521. L triloba, L. a) and /?) Eustachiana, Jacq. 



Fl. Sept.-iVIarch. Corolla expanded till 10 A. M. Both forms in moi^t 

 localities, not uncommon. — St. Croix; St. Thomas. 



522. I. umbellata, Mey. 



Fl. Jan.-March. Along rivulets and ditches, common. — AU islands. 



523. I. pes-caprae, Sw. (v. Bay Vine). 



Fl. all the year round. Corolla sometimes white. On sandy sea- 

 shores, very common. — All islands. 



