NOTES ON THE FLORA OF DENBIGHSHIRE 47 



there, 1910. Llyn Gweryd. By the Conway above Llanrwst. 

 Llyn-y-Cwrt. Pincyri Llus, above CyffylHog. 



■•'Luzula multijiora DC. Moelfre Pool, Hh. Jones (/8 congesta). 



L. inlosa Willd. Sycharth Wood, near Llansihn, 1875, Hb. 

 Jones. Llansihn, 1867, ibid. Glan Conway, Russell. Near 

 Llanrwst. Near Pont uchel. 



L. sylvatica Gaud. Sycharth Wood, 1867, Hb. Jones. Gres- 

 ford, 1870, Hb. Harris. Still there. Nant-y-ffrith Woods, Den- 

 bigh side, Hodge. Nant-y-glyn and Moelfre uchaf, Russell. Near 

 Llanrwst. By the Conway above Llanrwst. Wood by road at 

 Pont uchel. Near Llangollen. About Pistyll Ehaiadr. Manley 

 Wood, Erbistock. 



Typlia latifolia L. Ditches by railway about Llanrhaiadr. 

 Abundant about margin of Llyn Gweryd. 



■•'T. cmgustifolia L. Llyn Creiniog, above Llansannan. 

 ■'Sparganium neglectum Beeby. Moelfre Pool, 1867, Hb. Jones. 

 " Probably neglectum, but plants too young for positive determi- 

 nation. Have the habit of neglectum,'" W. H. Beeby in litt. I saw 

 undoubted neglectum in Moelfre Pool in 1910. Pensarn brickfields, 

 TJiomas. Morfa Ehuddlan. 



S. simplex Huds. Llangwstenin, Russell. 



Lemna minor L. Near Pensarn, TJiomas. Morfa Rhuddlan. 

 Pool by roadside near Llewesog Mill, near Denbigh. The Duck- 

 weeds seem to be uncommon in this county. 



'■■'Elisma natans Buch. In the canal at Llangollen, Drinkioater. 



Alisma ranunculoides L. Ditches, Llangwstenin, Russell. 

 ■•'Butomus umbellatus L. Probably native in one station on the 

 coast. Bryn Estyn, near Wrexham ; introduced, Drinkwater. 



Potamogeton polygonifolius Pourr. Frequent in moorland 

 plashes and upland situations. Craig Berwyn, 1867, Hb. Jones 

 {ericetorum form). Still thei'e. Above Pistyll Rhaiadr. Hill 

 country around Llansannan. Moors about Cyfifylliog, Moorland 

 ditches and plashes about Llyn Bran. Moel Arthur. 



P. crisjms L. Llansilin, 1868, Hb. Jones. Llyn Bran. 

 ■''P.pectinatus L. Llandrillo-yn-Rhos, -RMSse/Z. Morfa Rhuddlan. 



Ruppiia maritima L. Salt-marsh, Llandrillo, Russell. 



Sciryus fluitans L. By Black Dingle, with Hypericum elodes, 

 R^issell. 



S. maritimus L. Llandrillo-yn-Rhos, July, 1868, Hb. Harris. 

 ■■'-S. Taberncemontani Gmel. Salt-marsh ditches, Llandrillo-yn- 

 Rhos, Russell sp. 



Carex pulicaris L. Bogland between Cerrig-y-Druidion and 

 Cernioge. By the stream above Dilfwys, at 1400 ft. About a 

 mile south-east of Llyn Bran. Swamp by Pont Petrual, in com- 

 pany with Hypericum elodes. 



G. arenaria L. Seashore near Colwyn Bay, Russell. Near 

 Llandudno. 



C. paniculata L. Moelfre Pool, 1871, Hb. Jones. In ponds 

 on Conway Road to Bryn Euryn, Russell. Swamp about Llyn 

 Creiniog, above Llansannan. Swampy ground on the south-east 

 side of Llyn Gweryd {— var. rigida Blytt). 



