110 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



937. A. tubispatha, Ker. (v. Snow-drop). 



Fl. April-Oct., especially after heavy rains. In fields and near dwell- 

 in gs, not uncommon. All islands. 



[Cultivated species: Allium fistulosum, L. (v. Ciboule), Polyanthes tiibe- 

 rosa, L. (v. Tuberose), and Crinum giganteum, Andr.J 



ASP AR AGIN AC E^E. 



938. Sanseviera guineensis, W. (Spec, ii, 159) (Bot. Mag. t. 1179) (v. Guana-tail). 



Fl. Nov.-Dec. Fibres of the leaves yield a good material for ropes. 

 Naturalized here and there on dry hills, gregarious. St. Croix (Frie- 

 densfeld); St. Thomas (around town). 



939. Smilax havanensis, Jacq. 



Not seen flowering. In forests, here and there. St. Croix (Cale- 

 donia, Wills Bay, Kohr's Minde). 



940. S. populnea, Kth. (Ennm. Plant, v, 192). 



Fl. June- July (<?). Unarmed. Leaves 4" -5" long, 3"-&" broad. In 

 forests, a high climber, rare. St. Thomas (Flag Hill, 900'). 



D10SCOREACE.E. 



941. Dioscorea pilosiuscula, Bert. 



Fl. Dec., but rarely. Older leaves purple beneath, broad white stripes 

 on the upper surface. Male inflorescence 3" long, pendulous. Axillar 

 bulbs large, often bifid, greyish-brown, generally producing leaves 

 whilst still in connection with the parent, dropping off later and form- 

 ing new plants. In shady forests, uncommon. St. Thomas (Signal Hill, 

 northern slope above St. Peter, 1000'). 



942. D. alata, L. (v. Yam), a), /?) vulgaris, Miq. 



Not seen flowering. Propagated by the rhizome. Naturalized and 

 cultivated in provision grounds. Rhizome affording a nutritive vegeta- 

 ble. All islands. 



943. D. altissima, Lain. (v. Yam). 



Not seen flowering. Stem cylindrical. Occurring in the same places 

 and used in the same way as the preceding. All islands. 



944. Rajania pleioneura, Gris. 



Fl. Dec. Iii forests, rare. St. Thomas (Flag Hill, 800'). 



