GIBRALTAR PLANTS. 123 



ground in great abundance, in the neighbourhood of the Ranun- 

 culus bullatus. I have also gathered the Thr. tuberosa on the 

 Queen of Spain's Chair. 



Helminthia echioides, Gaertn. 



Hab. Middle and south of Europe, Britain. 



OBS. Rare in Gibraltar ; found on Scud-hill by my friend, Dr. 

 Dumbreck. It is found in great abundance on the road to St. 

 Roque. 



Lactuca tenerrima, Pourr. 

 Var. 0. scabra, Boiss. 

 Caules ramique pilis rigidis albidis scabridi. 



Hab. Spain. 



OBS. A very common plant, found on old walls ; its purplish 

 syngenesious flowers close about noon : the plant is nearly pe- 

 rennial. The variety a. glabra of Boissier may perhaps grow 

 in Gibraltar ; but the specimens I gathered were all of the 

 second variety. 



Taraxacum dens-leonis, Desf. ta*d&*&^ 



Var. Icevigatum. Capitula minora, involucri squa- 

 ma? apice subcorniculatae. 



T. Icevigatum, De C. 

 Hab. Europe. North of Africa. 



OBS. Found on the sides of the rock and on old walls. 



Taraxacum obovatum, De C. 



Hab. South of France, Spain, Italy. 



OBS. The leaves are not runcinate as in the former species. 

 Found on the lower parts of the rock. 



Barkhausia taraxacifolia, De C. 

 Crepis taraxacifolia, Thuill. 

 Crepis intwuptus, Sibtli. 



