GIBRALTAR PLANTS. 173 



circumstances have prevented my making any large 



collections of these interesting tribes of vegetable 

 productions. The most common species on the rock 



are the following : 



Marchantia polymorpha. 

 Targionia hypophylla. 



Michelii. 



Lunularia vulgaris. 

 Rebonillia hemisphaerica. 

 Roccella tinctoria. 

 fuciformis. 



ADDENDA. 



LEGUMINOS^S. 



Cytisus triflorus, L'Herit. 

 Hab. South of Europe. North of Africa. 



OBS. Rare ; observed on the rock by M. Willkoram, a German 

 botanist ; more frequently seen on the Queen of Spain's Chair. 



Cytisus lanigerus, De C. 

 Calycotome villosa, Link. 



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

 Vicia hybrida, L. // c \~ ^ 



Hab. South of Europe, Britain. Asia Minor. North 

 of Africa. 



OBS. This plant is a near neighbour of V. vestita, Boiss. The 

 leaves of the latter are lanceolate-mucronate ; and the hairs of 

 the pendulous flat pods rise from tuberculous points. 



