122 FLORA OF THE LAKE DISTRICT. 



British type. Range 1-2. Grassy places. Frequent in the 

 lower zone; ascending to 400 yards on the hill between 

 Rosthwaite and Watendlath. — (Watson.) 



554. Lactuca virosa, L. (Wild Lettuce). Native. Ger- 

 manic type. Range 1. 



C. St. Bees.— (Whitehaven Cat.) 



L. Very fine on the red sandstone walls of Furness Abbey 

 and in the adjacent quarries. — (W. Foggitt, J. C. Melvill, B.) 



557. Lactuca muralis, Less. (Rock Lettuce). Native. 

 English type. Range 1. Woods and shaded rocks, both of 

 limestone and slate. Frequent throughout the lower zone ; 

 ascending to 300 yards in Mardale (Watson), and Castle Crag 

 in Borrowdale, and to the limestone pavement of Shap 

 Common, Whitbarrow, Farleton Knot, and Hutton-Roof Crags. 



Sonchus palustris, L. 



W. In some marshy places round Windermere. — (Mar- 

 tineau's Guide.) No doubt a misnomer. A swamp form of 

 S. arvensis probably intended. 



559. Sonchus arvensis, L. (Corn Sowthistle). Colonist. 

 British type. Range 1. A frequent weed of cultivated fields, 

 ascending to 300 yards on Farleton Knot. 



560. Sonchus asfier, Ffoffm. (Sowthistle). Native. British 

 type. Range 1. Waste ground. Frequent through the lower 

 zone; ascending to Wastdale Head and 300 yards at Shap 

 and on Farleton Knot. 



561. Sonchus oleraceus, L. (Sowthistle). Native. British 

 type. Range 1. Waste ground. Less common than the last 

 sub-species ; ascending to 300 yards near Shap. — (Watson.) 



