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. [Cereus 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 Bassin, St. Croix. 
CEPHALOCEREUS RoyEnI (L.) Britton & Rose. [Cactus Royent L.; 
C. peruvianus of West; Cereus floccosus Otto; Pilocereus Fouchianus 
Weber; Cereus armatus Otto.] Dry rocky hillsides, St. Thomas; 
St. 120% ot. Croix. os 
CEPHALOCEREUS NOBILIs (Haw.) Britton & Rose. [Cereus nobilis 
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 cliffs, St. Thomas; St. Jan; St. Croix. 
CORYPHANTHA NIVOSA (Link) Britton. [Mamillaria nivosa Link.] 
