(395) 
Croton ae Vahl. 
tal cliffs and sandy shores: Porto Rico, Culebra, St. Thomas, St. Croix. 
Gan eee L. 
Rocky hilltops and pasture lands: Porto Rico, Culebra, Culebrita, St. Thomas, 
Croj 
t. Croix. 
Croton discolor Willd 
rocky thickets: Porto Rico, St. Thomas, St. Croix. 
Croton lobatus L. 
Waste places: Porto Rico, St. Thomas, St. Croix. 
Argythamnia candicans Sw. 
Thickets: Porto Rico, Culebra, St. Thomas, St. Cro 
Ricinella Ricinella (L.) Britton. (Adelia Ricinella Li Ricinella pedunculosa 
Muell. Ar 
Dry hillsides and among pone Porto Rico, Culebra, St. Thomas, St. Croix. 
Acalypha lahat Muell. A 
ickets ae slopes: ce Rico, St. Croix. 
Tragia volubilis 
Thickets: ae Rico, Culebra, St. Thomas, St. Croix. 
Ricinus communis 
Thickets: Porto Ric, St. Thomas, St. Croix. 
Jatropha gossypifolia L 
Roadsides and felies Porto Rico, St. Thomas, St. Croix. 
Jatropha multifida L 
oadsides: Porto Rico, St. Thomas, St. Croix. 
Hippomane Mancinella L. 
Stony beaches: Porto Rico, Culebra, St. Thomas, St. Croix. 
Gymnanthes lucida Sw. 
Porto Rico, Culebra, St. Thomas, St. Croix. 
Chamaesyce buxifolia (Lam.) Small. 
Coastal sands: Porto Rico, St. Thomas, St. Croix. 
Chamaesyce hirta (L.) Millsp 
Roadsides: Porto Rico, Cae: St. Thomas, St. Croix. 
Chamaesyce brasiliensis (Lam.) Small 
San ces: Porto Rico. 
Chamaesyce ites (Ait.) Smal 
an es: Porto Rico, Cueits, St. Thomas, St. Croix. 
eet ecaae pe (Aubl.) Bri 
Coastal sands: Porto Rico, one ra, St. Thomas, St. C 
eee Vablii (Willd.) P. Wilsoe> (Hushoia Yablii Willd.) 
Cliffs: Porto Rico 
eee ae (Sims) Millsp. 
hilltops: Porto Rico, ei St. Thomas, St. Croix. 
as eeropht (L.) Kl. & Gar 
Waste places: Porto Rico, St. Thomas St. Croix. 
Pedilanthus tithymaloides (L.) Poi 
Coastal cliffs: Porto ae one 
Pedilanthus angustifolius P 
Thickets: Porto Rico, Cie St. Thomas. 
