The Flora oj Glamorgan. 147 



78. Hydrocharideae. 



Elodea, Michx. 389. 



1434. canadensis, Michx. Water-Thyme. 

 Local. Scarce. Denizen. Lacustral. 



Leckwith Common ! Grangetown, Merthyr Canal, &c. J.S. 

 Ewenny River. M.A.D. and V. Glyn Neath. Ridd. Apparently 

 becoming scarcer every year. 



Hydrocharis, Linn. 390. 



1425. Morsus-ranse, Linn. Frog's-Bit. Alaw Ueiaf. 

 Local. Scarce. Native. Lacustral. 



E. Moors, Grangetown ! Leckwith Common ! &c. Plentiful. 

 /.5. Crymlyn Bog. Lightfoot. J. of B 1905. p. 299. Port 

 Talbot. Ridd. The plant has quite disappeared from the reens 

 around Cardiff, in which it was very abundant in 1891. Ed. 



79. Orchidese. 



Liparis, Rich. 393. 



1428. Loeselii, Rich., var. ovata, Ridd. Fen Orchis. 

 Rare. Frequent. Native. Uliginal, paludal. 



One locality only. H. J. Ridd. J. of B. 1905. p. 274. 



Neottia, Linn. 395. 



1430. Nidus-avis, Rich. Bird's-nest Orchis. 

 Local. Frequent. Native. Sylvestral. 



Margam Woods ; Penrice. Dr. Turton. Pont Nedd Vachn. 

 Mr. J. Woods, junior. B.G. Pontardawe. Dillwyn. Gutch. Phyt. 

 1842. p. 180. St. Pagans, Wenvoe, near Castell Coch ! Coytrahen. 

 J.S. Between Lisvane and Ruperra. J.S. (2). Bridgend, Coedriglan. 

 G.T. Barry! Dinas Powys ! D. Leckwith, 1 841. J.E. Pendoylan. 

 /. Rhiwbina. V. Garth wood. Ridd. 



TRANS. CARD. NAT. SOC. — SUPPLEMENT, 



