312 SUMMER FLOWERS. 



(259) Rumex. Dock. 



* Leaves never hastate at the base, sometimes ohtusely auricled, 

 t Inner perianth-segments entire. 

 % Segments cordate-ovate. 



R. crispus : stem 2-3 feet high, with few branches ; leaves 

 long narrow, waved or crisped ; whorls of flowers crowded m 

 a long narrow panicle, one of the segments of the fruiting 

 perianth bearing an oblong coloured tubercle or grain. — 

 Roadsides and waste places. Fl. June to August. 



XX Segments ovate, not cordate. 



K. Hydrolapathum : stem 3-5 feet high, slightly branched ; 

 leaves long, lanceolate, pointed ; panicle long, dense, leafy at 

 the base, the branches scarcely spreading ; inner perianth- 

 segments ovate, entire or scarcely toothed, with a large oblong 

 tubercle on all three. — Edges of streams, pools, and ditches. 

 Fl. July, August. 



R. conglomeratus : stem 2-3 feet high ; leaves cordate- 

 oblong, pointed ; panicle with spreading branches and distant 

 whorls; inner perianth-segments narrow-ovate, equal, each 

 with an oblong tubercle. — Waste places. Fl. June to August. 



R. sanguineus : stem two feet high, branched : leaves lan- 

 ceolate, cordate at the base; panicle leafy at the base, with 

 stiff, slender, spreading branches, the whorls of flowers dis- 

 tinct ; inner perianth-segments narrow, entire or scarcely- 

 toothed, one with a large tubercle. — Roadsides and waste 

 places. Fl. June to August. 



tt Inner perianth-segments toothed. 

 R. obtusifolius : stem 2-3 feet high, slightly branched ; 

 leaves cordate-oblong, obtuse; whorls of flowers distant; 

 inner segments of the perianth bordered below the middle by 



