26 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



30. Casearia sylvestris, Sw. 



Fl. Jaa.-Feb. and May-July. Seed covered by a red arillus. Com- 

 mon in forests and thickets. All islands. 



31. C. parvifolia, W. a) and (S) microcarpa, Egg. 



Fl. March-July. Flowers odorous. Stamens alternately of equal 

 length. Not uncommon in forests. A low tree. a) "Virgin Islands; 

 /S) fruit small, 2'" diani., St. Croix. 



32. C. ramiflora, Vahl. a). 



Fl. Jan.-Feb. and July-Aug. Pedicel articulate below the middle. 

 Arillus fibrous. Common in forests. All islands. 



33. Samyda glabrata, Sw. 



Fl. June. Eare, in thickets on highest hill-tops. St. Thomas (Crown, 

 1400'). 



34. S. serrulata, L. 



Fl. Feb.-May. Flowers odorous, precocious. Pedicels articulated at 

 the middle. Leaves of young radical shoots linear. Common in thick- 

 ets. All islands. 



TIOLACEiE. 



35. Ionidium strictum, Vent. 



Fl. all the year round. Flower matutine. Eather uncommon in fis- 

 sures of rocks in thickets. St. Croix ; Water Island. 



TAMAUICACE^. 



36. Tamarix indica, Willd. (v. Cypress). 



Fl. Sept.-Oct. Naturalized in gardens. St. Croix ; St. Thomas. 



POLYGALACEiE. 



37. Polygala anguatifolia, HB. Ktli. 



Fl. Dec.-Feb. In the shade of dense thickets. Eare. St. Thomas 

 (CowelPs Hill). 



38. Securidaca Brownei, Gr. (S. sccmdens of West). 



Fl. Feb.-April. Naturalized around Christiansted, v. Eohr. St. 

 Croix. 



39. S. erecta, L. 



St. Thomas (DC. Prodr. i, 341; Gris. Fl. p. 30). 



40. Krameria Ixlna, L. 



Fl. July. The three narrow petals, resembling abortive stamens, are 

 bent forward and cover the anthers. The two lateral oi.es are fleshy, 



