100 A TOUR ROUND NORTH WALES. 



count of that family, remarks that, upon its 

 becoming extinct, Diferth and Diganwy 

 caftles were, in 3 1 ft Henry III. both an- 

 nexed to the crown.* About twenty years 

 after this it was, along with Diganwy, de- 

 ftroyed by Llewelyn ap Gryffydd.-j- 



On the Caftle-hill I found the following 

 plants growing in plenty : Txronicafpicata, 

 Ci/lus marifoliusy Ciftus beleantbemum, Tba- 

 liffirum minus t Geranium fanguineum, Conyza 

 fquarrofa, and Carduus marianus, with fome 

 others not fo rare. 



In a field, a little to the fouth of it, I 

 obferved a ruinous building, called Siamber- 

 wen, the White-Hall, faid to have been the 

 houfe of Sir Robert Pounderling, a valiant 

 knight, who was many years ago the Con- 



* Dugdale's Baronage, I. 48. 

 t Matt. Paris, 85 [. Matt. Weftm. 316. Powel, 

 326. 



liable 



