HEPTAND. MONOG. 115 



Hab. Banlvs of lakes and rivers, frequent. Fl. July. 1/ . 



Two to three feet lugh. Leaves all radical, on long footstalks. Scape 

 . branched np\\'ard, branches v.horled, bracteated, compound. 

 Flowers pale rose colour. Embryo singularly curved, like a horse- 

 shoe, as in the v^iiole genus. — A var. is mentioned by Mr. Hopkifk 

 with lanceolate leaves. 



2. A. ramaiculoides (lesser JValer Plainaln), leaves linear-lan- 

 ceolate, fruit globose squarrose, capsules acute. Light/ .p. \9o. 

 E.B.t.32Q. 



Hab. Ditches and bogs, but not common. Sides of lochs in Isla, 

 Light/. Marsh beyond Possil, Glasg., Ilopk. N. side of Loch Le- 

 ven and loch W. of Dunning, Mr.Arnott. Duddingston Loch, and 

 ('astle Loch, at Lochmabin, Maiigh. In the Hunting Bog, near 

 Edinb., Mr. P. Neill. Burntisland, G. Don. Fl. Aug. 1/. . 



Much smaller tlian the last, with flowers larger, paler coloured, in um- 

 bels, which are sometimes proliferous. But the most essential dif- 

 ference is to be found in the germens or fruits. 



VII. HEPTANDRIA. 



1. MONOGYNMA. 

 1. Trientai.is, Cal. of 7 leaves. Cor. in 7 segments, regular 

 and flat. Berry dry, of 1 cell, many seeds. 



1. MONOGYNIA. 



1. TRIENTALIS. 



1. 'V.europcEn {Chick-%veed IVhiter-green). Light/. pA9G, 

 E.B.I. 15. 



Hah. Sides of mountains and in woods, especially in the Highlands. 

 On Ben Lomond, about 1 mile of the way up ; and Duke of Athol's 

 woods at Blair, al)'.uulantly. Light/. Cliesh, Mr. Arnott. Black- 

 house heights, Selkirkshire, Mr. Stewart. Aberfoyle, Rev. Dr. Gra- 

 hame. Cluny, Rev. Mr. M' Ritchie. Woods, Dunkeld, especially 

 Dungarthill ; near Stanly, and field of Culloden ; Loch Ransa, Ar- 

 ran ; and woods, Dumblane, Mr. Marraij. Strathbran, Perthshire, 

 Dr. IValker. Fl. June. 11 . 



Root creeping. Stems simple, 4 — 6 inches high, with 2 or 3 small di- 

 stant leaves, and 4 — 7 terminal, whorled, large, obovato-lanceolate 

 ones, from the centre of which arise 3 — 4 slender flowerstalks, about 

 1 inch long, each terminated by a rather large, white, at first droop- 

 ing flower. Leaflets of cal. very narrow, almost subulate : the seg- 

 luents of cor. lanceolate. Germ, superior, roundish. Capsule white, 

 Pericarp filmy. Seeds few, on a spong)^ central receptacle, 



I 2 



