GIBRALTAR PLANTS. 91 



RUTACE^E, Juss. 



Ruta angustifolia, Pers. 



Var. /3. bracteosa. R. bracteosa, De C. Varietas 

 bracteis latioribus e maris vicinio solum orta. 

 Boiss. 



Hab. South of France, Italy, Sicily. Barbary. 

 OBS. Indigenous, and also cultivated. 



RHAMNE^E, R. Br. 



Rhamnus alaternus, L. 

 Hab. South of Europe. North of Africa. 



OBS. Dr. Lemann has found two varieties of this species in Gib- 

 raltar, one of which approaches the character of R. integrifolia, 

 DeC. 



Rhamnus Lycioides, L. 

 Hab. Spain, Portugal. North of Africa. 



OBS. Rare, communicated. The Lycium Europeum, which is 

 used for fences, owing to its prickly stems, is often mistaken for 

 this plant. 



Rhamnus Oleoides, L. 

 Hab. South of Spain, Sardinia, Greece. Barbary. 



OBS. This species is generally found growing from the fissures of 

 high rocks. Several specimens of it grow in the undermined 

 sides of Mr. Costello's garden, on Windmill-road. 



TEREBINTHACE^:, Juss. 



Pistacia Terebinthus, L. 

 Hab. South of Europe. Asia Minor. North of Africa. 

 Canary Isles. 



OBS. Communicated by Dr. Lemann. 



