170 COMPOSITE. [Lactuea. 



brow to the westward ; " ThrelMd. Between Beggar's Bush 

 and Sandymount, &c. ; Wade DM. Knockmaroon hill ; 

 Cardiff's bridge; Windy Harbour; Howth ; Eoebuck; White 

 Church; Eaheny and Kilbarrock; Ir. Flor. Plentiful by 

 the mill-stream between Donnybrook and Miltown ; not 

 unfrequent near Dublin, and occasionally along the coast as 

 far north as Drogheda ; Flor. Hib. Road-side banks between 

 Swords and Balbriggan ; D. M. 



LAGTUGA Linn. 

 1. L. miiralis (D C.) — Wall Lettuce. 

 Prenanihes muralis (Linn.) Flor. Hib. 

 District ___4.5______- 



Lat. 53°-54°. East of Ireland— Wicklow and Louth only. 

 Type in Great Britain, English. 



Woods, banks, and old walls ; very rare. Fl. July. 



4. Road-side leading from Lara Barracks to Clara ; 

 Wicklow ; the late Mr. Johnston. — 5. Abundant in the woods 

 at CoUon, Louth; Wade Bar. and Flor. Hib. (It has escaped 

 from the old school garden to the neighbouring walls and 

 banks at Ballitore, Kildare ; I. G.) 



Obs. — L. virosa (Linn.) is mentioned by Mackay {Addit.) 

 as having been found between Blackrock and Kingstown, but 

 the specimen preserved in his Herbarium appears to belong 

 to the Garden Lettuce (L. sativa). 



LEONTODON Linn. 

 1. Ii. Taraxacum (Linn.) — Dandelion. 

 Taraxacum officinale (Wigg.) T. Dens-leonis (Desf.) Benth. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°- Throughout Ireland. 

 Type in Great Britain, British. 



Meadows, pastures, waste places ; common. Fl. April to 

 September. 

 Var. p T. udum (Jordan). 



6. By the turloughs near Coole Park, Galway; and (9) 

 near Foxford, Mayo ; A. Q. M. This variety appears just 

 intermediate between the typical form and var. y. It has 



