HEXANDRIA— POLYGYNIA. Alisma. 205 



In the great lake, below the old castle, at Llanberris, North Wales. 

 Mr. Brewer. At the south end of Bala lake, Merionethshire. 

 Rev. W. Wood. In Keswick lake, Cumberland. Right hon. 

 Charles Greville. Not uncommon in the Welsh lakes, though 

 seldom flowering. Rev. H. Duties. 



Perennial. July, August. 



Root fibrous. Stems floating, thread-shaped, varying in length 

 from 3 to 10 feet, according to the depth of the water, and 

 throwing out radicles, as well as a few leaves and flowers, from 

 every joint. Leaves floating, about an inch long, on still longer 

 footstalks, with membranous, ovate, concave stipulas. There 

 are numerous, radical, membranous, ribbed, t^T^eviug footstalks, 

 3 or 4 inches long, bearing nO leaves. Flower-stalks I or 2 from 

 each joint, erect, simple, single-flowered. Pet. large, orbicular, 

 white, with a yellow spot near the claw. Caj)s. from C to 12, 

 oblong, recurved, beaked, copiously striated. 



4. A. rammculoides. Lesser Water- plain tain. 



Leaves linear-lanceolate. Capsules angular, acute, nume- 

 rous, in a globular head. Stem none. 



A. ranunculoides. Linn. Sp. PL 487. IVilld. v. 2. 279. Fl. Br. 402. 



Engl. Bot. V. 5. t. 326. Hook. LoncL t. 28. Scot. 115. Fl. Dan. 



t. 122. Redout. Liliac. t. 2C8. 

 Plantago aquatica minor. Raii Sijn. 257. 

 P. aquatica humilis. Ger. Em. 4\7. f. 

 P. aquatica humilis angustifolia. Baith. Hist. v. 3. p. 2. 778, 2,/. 



Lob. Ic. 300./. 

 Small Water Plantain. Pet. H. Brit. t. 43. f. S. 

 Ranunculus aquaticus, plantaginis folio angustissimo. Pet. Gazoph. 



v.\.6.t.26.f 12. 



In swamps, and turfy bogs, not very common. 



Perennial. August. 



Root fibrous. Leaves all radical, linear-lanceolate, 3-ribbed, erect, 

 on long, flattish, or semi-cylindrical, highly vascular stalks. 

 Flower-stalks radical, erect, from 3 to 10 inches high, bearing 

 1 or 2 whorls of light-purple^oa'ers. Capsules numerous, col- 

 lected into a globular head, obovate, compressed, pointed, with 

 5 strong ribs. 



5. A. repens. Creeping Water-plantain. 



Leaves lanceolate. Capsules compressed, acute, numerous, 

 in a globular head. Stems prostrate, creeping. 



A. repens. Davies Welsh Bot. 36. Cavan. lev. \.4l. t. 55. 



On the margins of several lakes in North \A'^ales. Rev. H. Davies. 

 Perennial. September, October. 



