FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 81 



628. Crossandra infundibuliformis, Nees. 



Fl. March-June. Naturalized in gardens. St. Croix. 



629. Stenandrium rupestre, Ns. (DC. Prodr. xi, 283) (Rwllia ?, Sw. Fl. Ind. Occ. 



p. 1071 ; Plum. Icon. ed. Biirm. t. 75, as Gerardia). c) glabrous, /?) pilose. 



Fl. Dec-May, cleistogamous. Normal flowers June-Aug. Corolla 

 expanded till 9 A. M. Rhizome perennial; roots fusiform, tuberous. 

 Gregarious on the ground in forests, rare. a) St. Thomas (Flag Hill, 

 700'-900') ; fi) St. Jan (Baas Gut). 



630. Anthacanthus spinosus, Nees. 



Fl. all the year round. Flowers heterostylous. On rocks and in for- 

 ests, common, especially in St. Croix. All islands. 



631. A. jamaicensis, Gris. 



Fl. June-July. Corolla-lobes glandular inside. On limestone, rare. 

 St. Croix, in stony ground. 



632. A. microphyllus, Ns. 



Fl. May-Aug. In forests, here and there. All islands. 



633. Dicliptera adsurgens, Juss. 



Fl. Jan.-Feb., cleistogamous; normal, March-April. In thickets 

 and near ditches. St. Croix (common) ; St. Jan (less common). 



634. Thunbergia volubilis, Pers. 



Fl. all the year round. Naturalized along ditches and rivulets. St. 

 Croix (Caledonia, Mt. Stewart); St. Thomas (Tutu). 



[Cultivated species: Graptophyllum Jwrtense, Nees, Justicia bicolot? y 

 Andr., Thunbergia alata, Boj., Th.fragra?is, Boxb., and Sesamum orien- 

 tale, L. (v. Benye).] 



GESNERIACEiE. 



635. Martynia diandra, Glox. (v. Cocks). 



Fl. Sept.-Dec. Three rudimentary filaments; l'-3' high. Along 

 roads and in waste places, not uncommon. St. Croix ; St. Thomas. 



EABSAT^). 



636. Ocimum Basilicum, L. 



Fl. May-Aug. Naturalized in gardens. All islands. 



637. O. micranthum, "W. (v. Passia Balsam). 



Fl. Aug.-Nov. Corolla expanded during the morning. Used against 

 coughs. Along ditches and in pastures, gregarious. All islands. 



638. Coleus amboinicus, L. (v. East India Thyme). 



Fl. April-May. Naturalized in dry localities, gregarious. All 

 islands. 



Bull. Nat. Mus. No. 13 6 



