NOTES ON SOME NORTH WALES PLANTS. 865 
This always seems to me rather commoner (and not unfrequently 
much commoner) than V. agrestis L. in 8. W. England; but 
wherever I went in N. Wales agrestis was common, a polita 
showed itself only at Dolgelly (M.).—V. persica Poir. Fairly 
ommon. WM. Dolgelly. — V. arvensis, , perpiyllifolias splat, 
Chamedrys and Beccabunga; all common 
comet palustris L. M. Tan y ‘Bwlch. — P. sylvatica L. 
M. Frequent. C. Roman Bridge. 
Melaniys yrum pratense 7 D. Between Llangollen and Eglwseg 
Rocks. M. and C. Frequent; usually with orange-coloured flowers, 
as in the hillier ee of Devon. 
Pinguicula vulgaris L. Common; occupying the ground in 
which P. lusitanica = is usually seen in §.W. England. 
Mentha viridis L. D. Base of Eglwseg mee fo st 
water, away from house and aside n.—M. hirsuta L. and C 
Common. M. B Camlan. — M. sed L. (rivalis and 
paludosa). D. Acrefair Canal. M. Dolgelly. — — arvensis L. 
D. Very common. M. Vale of Festiniog, freque 
Lycopus europeus L. D. Acrefair Canal. M. too Dolgelly 
and Barmouth. 
Origanum vulgare L. D. Vale of Llangollen, from Pentrefelin 
to Trevor Rocks; locally abundant. M. Between Dolgelly and 
Barm 
Thymus Serpyllum Fr. Common. Chamedrys not seen 
Calamintha Clinopodium Benth. Remarkably common. The 
only species seen. 
Scutellaria minor L. M. and C. Frequent. 
Stachys Betonica Benth. M. and C. Pais abundant. — 8. 
eopsis Ladanum L. and G. Tetrahit L. Common. — G. 
Sica Mill. M. In several spots near Dolgelly, but. i in small 
quantity. 
Lamium album L. D. Llangollen and Acrefair, in good 
quantity. Not seen elsewhere. — L. Galeobdolon Crantz. OD. 
Common. M. Near Dolgelly. I saw no Ballota. 
— Ca lacustris L. M. Llyn Cynweh, in plenty 
dium: Bonus-Henricus L. D. In Scusidarable quantity 
Roce Eteagoluah and Valle Crucis. Base of Eglwseg Rocks. 
Polygonum lapathifolium L. Dolgelly. Blaenau Pedro: 
Rumex Hydrolapathum Huds. D. Acrefair Canal. 
Mercurialis annua L. M. Barmouth, very common. 
Aumulus Lupulus L. = Llangollen. M. Dolgelly. _ 4 
Myrica Gale L, M. ies lan om os an 
very luxuriant. Tan os aenau Festiniog, 
"Betula alba L. D. "Elaine re ‘ M. Glyndyirdwy.—B. glutinosa 
M. By Cwm Camlan. ©. Common. ; 
 Seuccas Taber Li « —— Salisb. D. —— M. 
Glyndyfrdwy. — Q. pedunculata Khrh. Common 
