BRITTON: FLORA OF THE VIRGIN ISLANDS 83 
IPOMOEA CATHARTICA Poir. [Convolvulus acuminatus Vahl; Ipo- 
moea acuminata R. & S., not R. & P.; Pharbitis cathartica Choisy; 
P. acuminata Choisy.] Woods and thickets, St. Thomas; St. Jan; 
St. Croix. 
IPOMOEA ASARIFOLIA (Desr.) R. & 8 - [Convolvulus asarifolius 
Desr.] Danish Islands (according to GHiscbach): 
IPOMOEA PES-CAPRAE (L.) Roth. [Convolvulus Pes-caprae L.; 
C. brasiliensis L.; C. maritimus Lam.] Coastal sands, St. Thomas; 
St: Jan; St. teste. 
IPOMOEA STOLONIFERA (Cyr.) Poir. [Convolvulus littoralis L.; 
C. arenarius Vahl; Ipomoea littoralis Boiss.; Convolvulus stoloniferus 
Cyr.; Ipomoea acetosaefolia R. & S.] Coastal sands, St. Croix (ac- 
cording to West). 
IPOMOEA HEPTAPHYLLA (Rottl. & Willd.) Voigt. [Convolvulus 
heptaphyllus Rottl. & Willd.; Ipomoea pulchella Griseb., not Roth.] 
St. Thomas (according to Urban). 
IPOMOEA CARNEA Jacq. St. Croix (according to West). 
IPOMOEA TRILOBA L. [Convolvulus Sloanei Spreng.; I. parviflora 
Vahl; I. triloba eustachiana of Eggers; I. triloba quinqueloba Kuntze.] 
Fields, banks and thickets, St. Thomas; St. Jan; St. Croix. 
IPOMOEA TILIACEA (Willd.) Choisy. [Convolvulus tiliaceus Willd.; 
C. fastigiatus Roxb.; I. fastigiata Sweet; I. Batatus fastigiata Katee | 
Thickets and hillsides, St. Thomas; St. Jan; St. Croix. 
IpomorA BataTas (L.) Lam. ([Convolvulus Batatas L.; Ipomoea 
pandurata cuspidata Kuntze.] Persistent after cultivation, St. 
Thomas; St. Jan; St. Croix. Much planted for food. 
IPOMOEA TRICOLOR Cay. [J. violacea Grisebach, and of Eggers 
and Millspaugh.] Woods and thickets, St. Thomas; St. Jan; St.: 
Croix. 
IPOMOEA PURPUREA (L.) Lam. ([Convolvulus purpureus L.] St. 
Croix (according to West). Planted for ornament. 
IPOMOEA LEARII Paxton. Planted for ornament. 
IpoMOEA PEs-TIGRIDISL. [Convolvulus Pes-tigridis L.] | St. Thom- 
as (according to Schlechtendal). 
IpoMOEA HorsFALLIAE W. Hook. Planted for ornament. 
IPOMOEA QUINQUEPARTITA (Vahl) R. & S. [Convolvulus quinque- 
partitus Vahl; C. ovalifolius West, not Vahl,] of St. Croix, is not further 
identified. 
IPOMOEA LEUCANTHA Jacq., a South American species, is recorded 
by Eggers from St. Thomas and St. Croix. 
OPERCULINA TRIQUETRA (Vahl) Hallier f. [Convolvulus triqueter 
Vahl; Ipomoea triquetra R. & S.] St. Thomas; St. Croix. 
OPERCULINA TUBEROSA (L.) Meissn. [Ipomoea tuberosa L.] 
Forests, St. Thomas; St. Croix (according to Eggers). 
