Silyhum^ composite. 165 



7. C. pratensis (Huds.) — Bog Thistle. 

 Gnicus pratensis (Willd.), Brit. Flor. and Flor. Hib. 

 Districts 123456789 10 11 12 

 Lat. 51°-56°. Throughout Ireland. 

 Type in Great Britain, English. 



Boggy pastures ; frequent. Fl. June, August. 



Rare about Cork, and on the east side of Ireland ; plentiful 

 in the north and west. 



Ranges from about sea-level to 900 feet on Slieve League 

 (Flor. Ulst.) 



Var. $ C. Forsieri. (Smith.) 



Very rare. — 12. In Garvagh demesne, and in wet meadows 

 by the side of the Bann below Jackson Hall, Coleraine, 

 Derry ; D. M. This is now generally considered a hybrid 

 between G. pratensis and C. palustris. 



[C. eriophorus (Linn.) is recorded as having been gathered 

 near Derry by Mr. John NuttaU (Mackay Gat. and Flor. Hib!), 

 but was not to be found by D. M. in 1834 and 1835.] 



SILYBUM Gaert. 

 1. * S. Marianum (Gaert.) — Milk ThisOe. 

 Garduus Mariarms (Linn;), Brit. Flor., Flor. Hib. &c. 

 Districts 12345--8-10-12 



Waste places and cultivated ground, usually near houses 

 and ruins; rare, and uncertain in its localities. Fl. June, 

 July. 



Chiefly in the southern and eastern counties. 



1. and 2. Rare in Cork ; Fhr. Cork.— 2. Waterford ; /. C. 

 Near Clonmel ; Miss SI Grubh. — 3. Lacken HiU, Kilkenny ; 

 Rev. S. Madden. , Rocks of Dunamase, Queen's County; Mr. 

 T. Ghandlee. — 5. Warren House, on the way to Howth ; 

 Wade Duhl. — Baldoyle; Howth; Kilbarrock Church; Fhr. 

 Hib. White-church above Roebuck ; sandy fields at Rush ; 

 Ir. Flor. Castle-Dermot near Ballitore ; Mr. J. Morrison. — 

 8. On the beach, near Galway; Prof. Melville. — 10. In 

 churchyards, and near houses in Armagh; A. G. M. — 

 12. Between Newtonards and Grey- Abbey ; between Lame 

 and Ballyclare ; Flor. Ulst. 



