58 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



362. Opuntia curassavica, Mill. (v. Sucljers). 



Fl. all the year round. Berry purple, f" long, clavate. Gregarious 

 in dry localities, >v1hc1i are often rendered impenetrable by its presence. « 

 Very common. — All islands. 



363. O. Tuna, Mill. (v. Prickly Pear). 



M. all the year round. Berry ovate, crimson, edible. Seeds small, 

 black. Used for fencing i)urposes. In dry localities, very common. — 

 All islands. 



364. O. horiida, Salm. (v. Bull-suckers). 



n. aU the year round. Flower reddish -yellow. In dry localities, com- 

 mon. — St. Croix ; St. Thomas. 



365. O. spinosissinia, Mill. 



Fl. all the year round. Spines white, 5-8 in each cluster, deciduous 

 on the stem. Flower f" diimeter. Plant reaching 20'-25' high. In dry 

 thickets, common. — All islands. 



366. O. tuberculata. Haw. (v. Frencli Prickly P(?ar). 



Fl. the W'holc year. Flow^er small, yellow. Branches used for poul- 

 tices. Plant 10'-15' high. Naturalized and planted near dwellings. — 

 St. Croix; St. Thomas. 



367. O. ccccinellifeia, Mill. 



Fl. all the year round. Plant 15'-20' high. On limestone, uncom- 

 mon. — St. Croix 5 St. Thomas. 



368. O. catocantlia, Hort. Bcrol. 

 St. Thomas (Pf. 1. c. p. 16G). 



369. Peireskia aculeata, Mill. (v. Surinam Gooseberry). 



Fl. July. Fruit acidulous, edible. Naturalized and cultivated. — St. 

 Croix; St. Thomas.. 



370. P. Bleo, HB. K. 



Fl. all the year round. Sejials accrescent on the fruit. Naturalized 

 and cultivated in gardens. — St. Croix ; St. Thomas. 



[Cultivated species: Cereus peruvianus, Tabem.; C. monoclonos, DC; 

 G. repandus, Haw., and C. Phyllanthus, DC] 



371. Bryopiiyllum calycinum, Salisb. (v. Wonderful Leaf). 



Fl. Jan.-March. — ^Naturalized in dry localities, common, gregarious. — 

 All islands. 



