FLORA. OF ST. CROIX AND THE VIRGIN ISLANDS. 83 



VERBElVACEiE. 



651. Piiva echinata, Jnes. 



Fl. all the year roimd. Corolla expanded, till 10 A. M. A common 

 weed along roads and in gardens. — All islands. 



652. Bouchea Gbrenbergii, Cham. 



n. Dec-May. Gregarious along roads and in dry localities, com- 

 mon. — St. Croix ; St. Thomas. 



653. Stachytarpha jamaicensis, V. (v. Vervain). 



Fl. all the year round. Flower expanded till noon. Pollen 3-4- 

 branched, stellate. LeaA^es used against fever. Very common along 

 roads and ditches. — iVll islands. 



654. S. strigosa, Valil. 



St. Thomas (Ehrenb. sec. DC. Prodr. xi, 564 ; Oris. Fl. p. 494). 



655. Lippia ix>difIora, Rich. 



Fl. all the year round. Gregarious in moist localities, not uncom- 

 mon. — St. Croix (La Eeine, Fair Plain). 



656. Lantana Camara, L. (v. Sage). 



Fl. all the year round. Berry considered to be poisonous. On dry 

 hills, very common. — All islands. 



657. L. polyacantha, Sthaucr (DC. Prodr. xi, 597) (Z. scahrida, Ait.). 



Fl. all the year round. In dry localities, here and there. — St. Croix 

 (St. George) ; St. Thomas (Solberg). 



658. L. involucrata, L. 



Fl. all the year round. Corolla and berry violet. In thickets, com- 

 mon, especiaily on limestone. — All islands. 



659. L. reticulata, Per.s. 



V\. all the year round. On limestone, rare. — St. Croix, in stony ground 

 (King's HiU). 



660. Citharexylum quadrangulare, Jacq. (v. Firldlewood, Snsanna). 



Fl. July-Sept. In forests, not uncommon. — St. Croix j St. Thomas. 



661. C. cinereum, L. (v. Sn.sanna). 



Fl. July-Dec. Leaves of both these species becoming red in Feb., and 

 droi)ping oft" at the same time that the new ones make their appear- 

 ance. On young radical shoots the leaves are linear and deeply serrate. 

 The wood is quite useless, even for firewood. In dry thickets and for- 

 ests, common, often gregarious. — All islands. 



