72 BROOKLYN BOTANIC GARDEN MEMOIRS 



Passiflora rubra L. Woods and thickets, St. Thomas; St. Jan; 

 St. Croix (according to Eggers). 



Passiflora laurifolia L. Forests and thickets, St. Thomas; 

 St Jan; St. Croix. Perhaps not indigenous; much planted. 



Passiflora incarnata L., recorded from St. Croix by West, must 

 be an error in determination. 



Passiflora quadrangularis L. Planted for its fruit. 



Passiflora maliformis L. Planted for its fruit. 



CARICACEAE 



Carica Papaya L. Spontaneous after cultivation, St. Thomas; 

 St. Croix. Much planted. 



BEGONIACEAE 



Several kinds of Begonias are grown as garden flowers. 

 Begonia humilis Ait., attributed to St. Thomas by A, de Candolle 

 as collected by Finlay, was really from Trinidad. 



CACTACEAE 



Hylocereus trigonus (Haw.) Safford. [Ceretis trigonus Haw., 

 C. triangularis of West and of Eggers.] On trees and rocks in forests 

 and valleys, St. Thomas; St. Jan. 



Hylocereus undatus (Haw.) Britton & Rose. [Cereus undatus 

 Haw.; Cereus triangularis of authors.] Persistent after cultivation, 

 St. Thomas; St. Croix. 



Selenicereus grandiflorus (L.) Britton & Rose. [Cereus 

 grandiflorus L.] Persistent after cultivation, St. Thomas; St. Croix. 



Selenicereus pteranthus (Link & Otto) Britton & Rose. 

 [Cereus nycticalis Link.] Recorded by Millspaugh as naturalized on 

 stone walls of a neglected garden at B^ssin, St. Croix. 



Cephalocereus Royeni (L.) Britton & Rose. [Cactus Royeni L.; 

 C. peruvianus of West ; Cereus floccosus Otto ; Pilocereus Fouchianus 

 Weber; Cereus armatus Otto.] Dry rocky hillsides, St. Thomas; 

 St. Jan; St. Croix. 



Cephalocereus nobilis (Haw.) Britton & Rose. [Cereus nohilis 

 Haw.; Cereus strictus DC] Persistent after cultivation, St. Thomas. 



Acanthocereus pentagonus (L.) Britton & Rose. [Cactus 

 pentagonus L.] Persistent after planting, St. Thomas; St. Croix. 



Cactus intortus Mill. [C. Melocactus of West; Melocactus 

 communis of Eggers; M. atrosanguineus Link & Otto.] Coastal hills 

 and clifTs, St. Thomas; St. Jan; St. Croix. 



Coryphantha nivosa (Link) Britton. [Mamillaria nivosa Link.] 



