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) (BuelUaf, Sw. Fl. lud. Occ. 



p. 1071 ; Plum. Icon. ed. Burm. t. 75, as Gcrardia). a) glabrous, ^3) pilose. 



Fl. Dec.-May, cleistogamous. Kormal 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, 

 7UO'-000') ', fl) 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, Gria. 



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

 St. Croix, in stony ground. 



632. A. micrcphyllus, Ns. 



Fl. ]\Iay-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. Katurahzed along ditches and rivulets. — St. 

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



[Cultivated species: Graptophylhun hortense, ISTees, Justicia bicolor, 

 Aiidr., Thunhergia alata, Boj., Th. fragrans, Eoxb., and Sesamum orien- 

 tale, L. (v. Benye).] 



GESNERIACE^. - 



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



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

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



LABIATE. 



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. ISTaturalized in dry localities, gregarious. — All 

 islands. 



Bull. :N'at. I\Ius. No. 13 6 



