124 SYNOPSIS OF 



Var. hcenseleri. Tota planta glabrescens. Folia 



obtusa saepe solum dentata. Boiss. 

 Hab. Britain, France, Germany, Italy, Spain, Portugal. 



Barkhausia foetida, De C. 

 Crepis fcetida, L. 



Hab. Middle and south of Europe, Britain. North ol 

 Africa. Canary Isles. 



OBS. This last species is less common in Gibraltar than the for- 

 mer, and is generally found on old walls. 



Picridium vulgare, Desf. 

 Scorzonera picroides, L. 

 Sonchus picroides, Lam. 

 Var. ft. maritimum Majus, bienne aut perenne, 



basi suffruticosum. Folia elongata glausces- 



centia. Boiss. 



Hab. South of Europe, Sicily. Canary ^ Isles. Asia. 

 North of Africa. 



OBS. First found by Boissier, on the eastern declivities of the 

 rock. 



Picridium tingitanum, Desf. 

 Scorzonera tingitana, L. 

 Pic. orientale, De C. 



Hab. Portugal, Spain, Majorca, Sicily, Cyprus. Asia 

 Minor, Arabia. Egypt, Barbary. 



OBS. Generally found on the neutral-ground, particularly on its 

 western side. 



Sonchus tenerrimus, L. 

 S. pectinatus, De C. 



Hab. Mediterranean regions of Europe. North of 

 Africa. 



