190 



HEXANDRIA TRIGYNIA. 

 204. RUM EX. Dock, and Sorrel. 



Linn. Gen.\7S. Juss.82. Fl. Br. 390. Lam.t.27\. Gcertn.t.\l9. 



Nat. Ord. see n. 203. 



Cal. inferior, of 3 obtuse, spreading, permanent leaves, more 

 or less combined at the bottom. Pet. 3, ovate, larger 

 than the calyx, but similar in hue, though thinner in tex- 

 ture, and more veiny, subsequently enlaijged, converging 

 round the seed, and permanent, bearing, in some species, 

 a dorsal grain or tubercle. Filam. capillary, very short. 

 Anth. ei-ect, oblong, of 2 lobes. Gertn. superior, trian- 

 gular, rather turbinate ; sometimes in a separate flower. 

 Styles capillary, spreading, protruding between the petals. 

 Stigm. large, in many fine tufted segments, Peric. none, 

 except the enlarged, closed petals. Seed 1, triangulai', 

 polished, with 3 sharp edges ; embryo oblong, at one side 

 of the albumen. 



Perennial, smooth, more or less astringent, or acid, herbs^ 

 rarely shrubby. Leaves oblong, wavy, seldom divided, 

 mostly alternate and stalked. Fl. numerous, green, form- 

 ing whorled terminal clusters ; in some species monce- 

 cious, dioecious, or polygamous. Each partial T^otuer- 

 stalk has a joint near the base. 



* Flowers all perfect. 



1. ^.sanguineus. Bloody-veined Dock. /3. Green- 

 veined Dock. 



Permanent petals entire, oblong, one of them at least tu- 

 berculated. Leaves lanceolate ; somewhat heart-shaped. 



R. sanguineus. Linn. Sp. PL 476. rVilld. v. 2. 250. Fl. Br. 390. 



Engl. Bot. V. 22. t. 1533. Hook. Scot. 112. Ehrh. PI. Off. 153. 



Winch Guide v. 1. 34. 

 Lapathum folio acuto rubente. Bauh. Pin. 1 15. Raii Syn. 142. 



Moris. V. 2. 579. 

 L. sanguineum. Hunt. Brit. «. 1 13. Bauh. Hist. v. 2. 988./. 989. 

 L. sativum sanguineum. Ger. Em. 390./. 

 L. rubens. Dod. Pempt. 650./. Camer. Epit. 229./. 

 Blood-veined Dock. Pet. H. Brit. t. 2./. 5. 

 /3. viiidis. Sibth. 118. Fl. Br. 390. 



