GIBRALTAR PLANTS. 107 



CACTE^E. De C. 



Opuntia vulgaris, Mill. 

 Cactus opuntia. 

 Vulg. Higuera chumba, Sp. Prickly pear, Eng. 



Hab. Tropical America. 



OBS. Introduced, but now growing so abundantly as almost to 

 indicate its being indigenous to Gibraltar and other parts of 

 Spain. Tbe fruit is sold in the market, and is considered a 

 great delicacy by the natives. This plant forms excellent barri- 

 cades and fences. Several kinds of Cacti are cultivated. 



SAXIFRAGES, Vent. 



Saxifraga globulifera, Desf. 



Var. gibraltarica, Ser. in De C. Prod. Inten- 

 sius viridior. Caules magis elongati. Folia 

 pedunculique pilis loiigioribus copiosioribus 

 albis hirsuta. Panicula ramosior magis diva- 

 ricata. Gemmae axillares magis elongatae. 

 Boiss. 

 Hab. Gibraltar. 



OBS. On the northern side of the rock, near the Rock-gun. 

 Flowers in April and May. 



UMBELLIFERS, Juss. 



Eryngium ilicifolium. Lam. 

 Hab. South of Spain. Barbary. 



OBS. Rare on the neutral-ground ; it is a much larger plant than 

 the one represented by Desf. in his PL Antl. 



