112 



RUKEEX. DOCK, SOEEEL. 



1. R. Hydrolapathum (great Water-Dock^} In ditches 

 and on the sides of rivers and pools. Eoot large and knobby ; 

 stem from 3 to 5 feet high ; leaves lanceolate ; lower leaves very- 

 large, sometimes as much as 18 inches long, heart-shaped at the 

 base. Flowers in crowded whorls, on long terminal spikes. 

 Eiver Exe, near Countess Wear, Fl. D. R. aquaticus, Sm. (E. 

 B. t. 2104.) P. vn. vni. 



2. R. crispus (curled D.) By roadsides, in pastures, and 

 waste places. Plant 2 or 3 feet high ; stem branched ; leaves 

 stalked, lanceolate, acute, very much waved. Flower-whorls 

 very numerous, much crowded when in fruit ; valves or enlarged 

 sepals cordate. Yery common in our fields and pastures. (E. 

 B. t. 1998.) P. VL-viii. 



3. R. obtusifolius (broad-leaved D.) In waste places and 

 by waysides. Stem 2 or 3 feet high, not much branched. Eoot- 

 leaves very large, obtusely heart-shaped, stalked, crisped at the 

 margin ; upper leaves oblong or lanceolate. Flower- whorls dis- 

 tant ; segments of the fruit- covering with 3 small teeth near the 

 base. Common everywhere. (E. B. t. 1999.) P. vn.-ix. 



4. R. sanguineus (bloody-veined D.) Shady pastures and 

 woody places, rare. Stem 2 or 3 feet high ; leaves ovate-lanceo- 

 late, stalked. 'Lower leaves large, and either heart-shaped or 

 rounded at the base. Whorls distant, on long, alternate, leafless 

 branches. Veins of the leaves bright red. In an orchard near 

 Beckey Fall, FL D. (E. B. t. 1533.) The variety of Hooker 

 and Arnott. R. viridis, with green veins to the leaves, frequent. 

 Cockington lanes. Lane between the Warberry Hill and Bab- 

 bicombe, etc. P. vi.-vm. 



5. R. conglomerates (sharp Z>.) In marshy meadows and 

 wet places. Very much like, but distinguished from R. viridis 

 by its leafy flower- stalks, nearly every whorl being accompanied 

 by a leaf. Berry Pomeroy woods. R,. acutus t Sm. (E. B. t. 

 724.) P. V.-vni. 



6. R. pulcher (fiddle D.) By roadsides and in dry waste 

 places. Stem procumbent and spreading, with straggling 

 branches ; lower leaves oblong, stalked, cordate at the base, and 

 narrowed in below their centre, making them somewhat fiddle- 

 shaped. Whorls distant and leafy ; flowers in close clusters. 

 Frequent. Torquay, Cockington, etc. (E. B. t. 1576.) P. V.- 

 VIII. 



7. R. xnaritimus (golden D.) In marshes near the sea, but 

 sometimes found in inland situations. Stem from 12 to 18 



