FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 37 



142. Triphasia trifoliata, DC. (v. Sweet Lime). 



Fl. April-June. ISraturalized in thickets and near dwellings. Com- 

 mon in all the islands. 



[Cultivated species: Murray a exotica^ L. (v. Cyprian), and Coolda 

 'punctata, Ketz.] 



OXALIDACEIii:. 



143. Oxalis Martiana, Zucc. 



Fl. ]May-Aug. jSTaturalized in gardens on all the islands. 



144. O. corniculata, L. /?) microphylla, Poir. 



Fl, all the year round. Gregarious in fields. — St. Croix ( Auually) j 

 St. Thomas. 



ZYGOPHYI^tACE^. 



145. Tiibulus cistoides, L. 



Fl. all the year round. Along roads and in open spots, gregarious. — 

 St. Croix (in the easternmost part of the island only). 



146. T. maxinius, L. (v. Centipee-root, Longlo). 



Fl. all the year round. Stamens alternately of equal length. The 

 whole plant is used in baths against boils. A very common weed along 

 roads and in wafete places. — All islands. 



147. Guajacum olEcinale, L. (v. Lignum vitte, Pockenliolt). 



Fl. March-April. Common in former times, but now nearly exter- 

 minated. On the seashore and in forests, rare. — All islands. 



BUTACE^. 



148. Pilocarpus racemosus, Valil. 



Fl. Feb.-March. Leaves undivided, 3-foliate or impari-pinnate in 

 the same specimen (as stated in Hook. & Benth. Genera, 1, 299, and Fl. 

 Brasil. fasc. Go). Inflorescence terminal and axillary. A low tree. In 

 forests, rare. — St. Jan (Kingshill, 1000') ; Vieques (Eavn in Hb. Havn.). 

 (Specimen from Montserrat in Hb. Havn. also named P. laurifoliusj 

 Vahl.) 



149. Tobinia punctata, Gr. 



Fl. Sept. Leaves often pinnate. Dots on the leaves pellucid. In 

 thickets, not uncommon. — St. Croix. 



150. T. spiuosa, Desv. 



Fl. May-June. Leaflets prickly on the principal nerves on both sides, 

 bearing 2 stipular j)rickles at the base. Carpids 3 (2-1) globose, with a 

 short beak, black, verrucose, 3'" long. Seeds black, shining. Rare in 

 forests.— St. Thomas (Flag Hill, GOO'). 



