100 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



TYPHACCJE. 



826. Typha angustifolia, L., var. domingensis, Pers. 



Fl. Sept.-March. Used for making mats. In rivulets and around 

 lagoons, not uncommon. St. Croix; St. Jan. 



PANDANACEJE. 



[Cultivated in gardens occurs Pandanus odoratissimus, L. fil. (v. 



Screw Pine).] 



PAL-M^E. 



827. Thrinax argentea, Lodd. (v. Teyer-tree). 



Fl. May-June. Stem KK-20 7 high. Leaves used for making ropes, 

 thatching roofs, and other domestic purposes. On the northern slope of 

 the hills in forests and tickets. St. Croix (very rare, only one specimen 

 seen, near Belle vue Mill) ; Virgin Islands (common). 



828. Oreodoxa regia, Kth. (v. Mountain Cabbage). 



Fl. April- Aug. The young leaf-bud used as cabbage. Berries eaten 

 by hogs. In forests and along roads, common. All islands. 



829. Cocoa nucifera, L. (v. Cocoa-nut Tree). 



Fl. Feb.-March. Leaves used for thatching roofs. The ripe fruit, 

 although occurring in abundance, is scarcely used, and of no economical 

 importance. Naturalized along the seashore and along roads. All 



islands. 



COIflMEl.YNACE.E. 



830. Tradescantia geniculata, Jacq. /3) effusa, Mart. 



Fl. March. Seeds bluish, verruculose. Vieques (near Campo Asilo). 



831. T. zebrina, Hortul. (v. "Wandering Jew). 



Fl. May. Naturalized in gardens. St. Croix 5 St. Thomas. 



832. T. discolor, Sw. 



Fl. April-Aug. Stamens often by retrograde metamorphosis trans- 

 formed into petals. Naturalized in waste places and near dwellings. 

 All islands. 



833. Callisia repens, L. 



Fl. Jan.-March. Gregarious in shady places, not uncommon. All 

 islands. 



834. C. umbellulata, Lam. 



Fl. Jan. Seeds white with a red spot. Flowers monandrous. Among 

 rocks in shady places, rare. St. Thomas (Signal Hill, 1200'). 



835. Commelyna cayennensis, Rich. (French Grass). 



Fl. all the year round. Flower expanded till A. M. One of the 

 sterile stamens always abortive. In moist localities, common. All 

 islands. 



