150 YORKSHIRE NATURALISTS' UNION. 



757. Taraxacum officinale. Dandelion. A common weed. 



Var. d. [palusire), with light-coloured fruit and almost 

 pinnatifid leaves, is not uncommon. 



758. Lactuca virosa. Acrid lettuce. Lees records this 



from the Studley district ("West Yorkshire.") 

 761. L. muralis. Wall lettuce. Old walls and shady rocks. 

 Very common on, and near. Fountains Abbey. 



763. Sonchus oleraceus. Sow-thistle. Waste ground, 



abundant. 



764. S. asper. Rough sow-thistle. Waste ground. Occa- 



sional near Leckby Carr, 1881. 



765. S. arvensis. Corn sow-thistle. Cornfields, abundant. 

 770. Crepis virens. Smooth hawksbeard. Dry waste places, 



walls and banks, common. 



773. C. paludosa. Succory - leaved hawksbeard. Damp 



woods. Near Studley (Baines) ; Mackershaw. 



774. Hieracium Pilosella. Mouse-ear hawkweed. Dry 



banks and roadsides, common. 



775. H. aurantiacum. Orange hawkweed. Originally a 



garden escape. Swinton, 1881 (Mrs. Berkeley). 



795. H. murorum. Woods, walls, and rocks, not uncom- 



mon. Mackershaw ; rocks at Knaresbro' (Baines) ; 

 Hackfall, &c. 



796. H. caesium. {H. sylvaticmn of Baines?). Recorded 



by Lees from Hackfall district, in "West Yorkshire." 



799. H. vulgatum. Woods, uncommon. Mickley end of 

 Hackfall ; Mackershaw. 



801. H. gothicum. Hackfall district (Lees, "West York- 

 shire "). 



803. H. prenanthoides. Hackfall district (Lees, I.e.). 



805. H. umbellatum. "In an old stone quarry called 

 ' Blind Pit,' at Hutton, near Ripon " (Baines) ; still 

 found there ; found besides at Hackfall, whence 

 Lees also records it (I.e.). 



Trans.Y.N.U., 1882 (pub. 1S84). Series E 



