338 



COMPOSITE. 



high ; the leaves are arrow-shaped at the base ; the 

 flowers large and yellow, with hairy involucres. It grows 

 in marshy places ; rare. S. alpinus (Alpine Sow-thistle), 

 -no w called Mulgedium alpinum, is a very handsome 

 plant, with large blue flowers. It grows on the Clova 

 mountains, but is rare. 



SONCHUS OLERACEUS (Common Sow-thistle, Milk-thistle). 



9. CREFIS (HawK s-beard). 



1. C. mrens (Smooth Hawk' s-beard). Leaves smooth, 

 pinnatifid, with the lobes pointing backwards, the upper 



