CLXXXIII. 



RUMEX HYDROLAPATHUM. 



Great Water Dock. 



Class, fyc. See Sorrel (Rumex acetosa). 



Spec. Char. Enlarged petals ovate-deltoid, reticulated, 

 each with a tubercle. Leaves lanceolate, lower ones 

 cordate at the base. Whorls generally leafless. 



SYNONYMES. 



^Lapathum aquaticum folio cubitali. Bauh. Pin. 116. Tourn. 

 Paris, 280. 

 Hydrolapathum magnum. Ger. Em. 389. 

 Lapathum maximum aquaticum, sive Hydrolapathum. Raii 



tin j Hist. 171 ; Syn. 140. 



) Lapathum longifolium nigrum palustre, sive Britannica an- 

 tiquorum vera. Munt. Brit. t. i. 

 Rumex aquaticus. Sm. Fl. Brit. p. 394. Eng. Bot. t. 2104. 

 j Rumex Hydrolapathum. Lin. Sp. PI. a Willi, ii. 257- Eng. 

 I Fl. ii. p. 295. Reichenb. ic. Bot. t. 370. 

 French. . . . Patience aquatique ; Patience d'eau ; Parelle de marais. 

 Italian .... Lapazio d'acqua ; Idrolapazio. 

 Spanish . . . Hidrolapazo. 



Port Labaca major. 



r Wasserampfer ; Wassermangold ; Wassergrindwurzel ; Ro- 

 ' * if stampferwurzel. 

 Dutch .... Waterpatigh ; Groot Waterpatigh. 

 Banish .... Vandskreppe. 

 Swedish . . . Vatnsyra. 



Description. — The root is perennial, large, thick, knotty, 

 branched, reddish black externally, whitish internally, and fur- 

 nished with numerous long shaggy fibres. The stem is erect, 

 cylindrical, striated, smooth, leafy, branched at the summit, and 

 varies in height from three to five feet. The lower leaves are 

 large, spreading, lanceolate, acuminate, somewhat cordate at 



