128 SYNOPSIS OF 



OBS. I met with only one specimen in Gibraltar, at all looking 

 like a native plant of the rock. The Oleander is cultivated in 

 gardens. It is found in great abundance near Castellar, and in 

 the vallies near St. Eoque. 



GENTIANEyE, Juss. 



Erythraea Centaurium, Pers. 

 Var. sujfruticosa, Griseb. 

 Ch. Centaurium, Desf. 



Hab. Europe, Britain. North of Africa. Azores. 



OBS. Not frequently met with in Gibraltar, but found in great 

 abundance on the road to the Cork-wood, where it grows in 

 company with E. major. 



BIGNONIACE^E, R. Br. 



Catalpa syringifolia, H. K. 

 Hab. North America. 



OBS. Cultivated in the Alameda gardens. 



CONVOLVULACE^l, Juss. 



Convolvulus althaeoides, L. 



Hab. Mediterranean region of Europe. Asia Minor. 

 North of Africa. Madeira. 



OBS. A very common plant, found generally on the lower parts 

 of the rock. The leaves in some specimens found in rich soils 

 are divided at the base, but not quite so attenuated as in the 

 plant cultivated in England. 



Convolvulus sepium, L. 



Calystegia sepium, R. Br. 



Hab. Europe, Britain. North America. 



