FLORA OF ST. CROIX AND THR VIRGIN ISLANDS. 57 



352. P. fcetida, L. (v. Lovo in tlio mist). 



n. Sept.-Jau. Protandrous. On fences and near ditclies, common. — 

 St. Croix ; St. Thomas. 



[Cultivated species: P. quadrangularis, L. (v. Grenadilla), the berry of 

 which is edible.j 



353. Turnera iilmifolia, L. 



Fl. Marcli-Oct. In waste phices, common. — All islands. 



354. T. parviflora, Benth. 



Fl. Sept.-Dec. and Jan.-May. Leaves always cglandular; calyx not 

 tomentose. Gregarious on rocky seashores, rare. — St. Thomas (Co well's 

 Hill) ; Buck Island, near St. Thomas. 



CACTACEiE. 



355. Mamillaria nivosa, Link (Pfeifter Enum. Cact. 1837, p. 11) (If. iortolcnsia, 



Hort. BeroL). 

 Fl. all the year round. Flower i)ale yellow; berry clavate, purple. 

 Seeds brt)wnish. On rocks near the seashore. — Buck Island and Flat 

 Gays, near St. Thomas ; Tortola (Pf.). 



356. Melocactus communis, DC. (v. Pope's Head). 



Fl. all the year round. Berry clavate, jnirple, |" long. Seeds black, 

 verrucose. Up to four feet high. On dry hills and rocks, especially 

 near the shore. — All islands. 



357. M. atrosanguineus, Ilort. Berol. 

 St. Thomas (Ff. 1. c. p. 44). 



358. Cereus floccosus, Ilort. Borol. (v. Dildo). 



Fl. Oct.-Jul}-. Berry depressed globose, dark ci-imson, lA" diam. 

 Pulp red; seeds small, black. On dry hills in thickets, common. — All 

 islands. 



359. C. armatus, Otto. 



St. Thomas (Pf 1. c. p. 81). 



360. C. triangularis, Haw. (v. Cliigger-apple). 



Fl. July. Berry large, crimson, edible, o" long, oval. On trees and 

 rocks in forests, not uncommon. — All islands. 



361. C grandiflorus. Haw. (v. Nightbloomiug Cereus). 



Fl. May-July. Naturalized in gardens and near dwc"ings. — St. Croix ; 

 St. Thomas. 



