FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 81 



628. Crossandra infundibuliformis, Nees. 



n. ]Marcli-Jnne. Naturalized in gardens. — St. Croix. 



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



p. 1071; riuiii. Icon. ed. Bunn. t. 75, as Gcrardia). a) glabrous, /3) pilose. 



Fl. Dec-May, cleistogamous. Normal flowers Jime-Aiig. 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') ; ,5) St. Jan (Baas Gut). 



630. Anthacanthus spinosus, Nces. 



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 liortense, Nees, Justicia bicolor, 

 Andr., Thimhergia alata, Boj., Th. fragrcms, Eoxb., and Sesamuin orien- 

 tale, L. (v. Benye).] 



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



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

 roads and in waste x)laces, 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. Naturalized in dry localities, gregarious. — All 

 islands. 



Bull. Nat. IVIus. No. 13 G 



