110 FLORA OF ST. CROIX AND THE VIRGIN ISLANDS. 



937. A. tubispatha, Kcr. (v. Snow-droii). 



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

 ings, not uncommon. — All islands. 



[Cultivated sijecies: Allium Jistulosum, L. (v. Ciboule), Polyanthes tube- 

 roscij L. (v. Tuberose), and Crinum gigantewnij Andr.J 



ASPARAOINACE^. 



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

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



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

 densfeld); St. Thomas (around town). 



SMII^ACE^. 



939. Smilax havanensis, Jacq. 



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

 donia, Wills Bay, Eohr's Minde). 



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



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

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



BIOSCOREACE^. 



941. Dioscorea pilosiuscula, Bert. 



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

 on the upper surface. INIale 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), ft) vulgaris, Miq. 



Not seen flowering. Propagated by the rhizome. Naturalized and 

 cultivated in i>rovisiou grounds. Ehizome atibrding a nutritive vegeta- 

 ble. — All islands. 



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



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

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



944. Rajania pleioneura, Gris. 



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



