POLYANDRIA— POLYGYNIA. llammculus. 49 



R. palustiis, flore minimo. Bauh. Hist. v. 3. 846. /. 



R. secunda species. Fuclis. Hist. 159./. 



R. primus. Came?: Epit. 380./. 



Apium aquaticum. Trag. Hist. 93./. 



Common in watery places. 



Annual, June — August. 



Root fibrous. Herb very acrid, juicy, various in luxuriance, from 6 

 inches to 2 feet high, of a pale shining green, very smooth, ex- 

 cept occasionally the Jlower-stalks and upper part of the stem, 

 vphich are now and then hairy. Stem thick, round, hollow, re- 

 peatedly branched, leafy. Lower leaves stalked, rounded, bluntly 

 lobed and cut j upper sessile, with deeper and narrower seg- 

 ments ; uppermost of all, accompanying the flowers, lanceolate, 

 undivided. Fl. small, pale yellow, numerous, on solitary stalks, 

 either terminal, axillary, or opposite to the leaves. Cat. hairy, 

 reflexed. Pet. orbicular. Nect. somewhat tubular. Fruit cvlin- 

 drical, obtuse, various in length, composed of numerous small 

 seeds. The bruised herb is said to raise a blister, leaving a sore 

 which is not easily healed, and by which strolling beggars some- 

 times excite compassion. 



7. R. alpestris. Alpine White Crowfoot. 



Leaves very smooth; radical ones somewhat heart-shaped, 

 obtuse, in three deep lobed segments ; those of the stem 

 lanceolate, entire. Flower mostly solitarv. Calyx 

 smooth. 



R, alpestris. Linn. Sp.Pl.77S. IVilld.v. 2. 1322. Engl. Bot. v. 34. 

 ■ t. 2390. Camp. ed. 4. 97. Tr. of Linn. Soc. v. 1 0. 343. Jit. Hort. 



Kew. ed. 2. v. 3. 356. Hook. Scot. 1 '3. DeCand. Syst. v. 1.239. 



Jacq. Austr. t. 110. 

 R. n. 1167. Hall. Hist. v. 2. 71. 

 R. montani prima species. Clus. Pann. 364, 365. f,f. Hist v 1 



234.// 

 R. montanus, flore minore, et flore majore. Ger. Em. 964./,/ 

 R. minimus alpinus albus, Bauh. Hist. v. 3. 845 j 2 lower/. 

 R. alpinus humilis albus, folio subrotundo. Segu. Feron. v 1 489 



t. 12./ 1. 



By the sides of alpine rills in Scotland, rare. 



In moist places, about two or three rocks, on the Clova mountains 

 of Angusshire, rarely flowering. Mr. G. Don. 



Perennial. May. 



iloof with many long fibres, flert very smooth in every part. Stetn 

 from 2 to 5 inches high, erect, almost invariably simple and 

 single- flowered, naked, except one or two linear, bluntish, up- 

 right, entire leaves towards the middle. Radical leaves several, 

 on channelled stalks, roundish-heart-shaped, or kidney-shaped, 

 more or less deeply divided into 3 principal unequal lobes, 



VOL. III. E 



