27 
Hesperis matronalis (L.) 
Cheiranthus cheiri (L.) 
Arabis — an hirsute varietas? — a form approaching A. arcuata 
of Grenin and Godron, and A. alpestris (Gor.), both of the 
flora of France — found sparingly by the waterfall, Craig 
Breidden. 
Teesdalia nudicaulis (Sm.) 
Lychnis Viscaria (L.) 
Moenchia erecta (Sm.) 
Cerastium semidecandrum (L.) 
Stellaria media (L.) var. neglecta. 
Hypericum Androssemum (L.) 
Geranium sanguineum (L.) 
Geranium lucidum (L.) 
Trifolium filiforme (L.) 
Spiraea salicifolia (L.) 
Potentilla rupestris (L.) On damp ledges in almost inaccessible 
spots near the waterfall, Craig Breidden. The only British 
station. 
Sedum Telephium (L.) 
Sedum anglicum (Hudson). 
Sedum Forsterianum (Sm.) 
Cotyledon umbilicus (L.) 
Saxifraga granulata ( L. ) 
Saxifraga hypnoides (L.) 
Helosciadium inundatum (Kosh.) 
Heracleum sphondylium (L.) B. angustifolium. 
Centranthus ruber (D. C.) 
Doronicum Pardalianches (L.) 
Centaurea montana (L.), naturalised near Welshpool. 
Erigeron acris (L.) 
Hieracium Pilosella (L.) B. pilosissimum, very hairy form with- 
out stolons, confined to Craig Breidden and the Channel 
Islands. 
Hieracium lasiopl^dlum (Koch.) 
Hieracium pallidum (Sm.) and its form maculatum. 
Veronica hybrida (L.) 
