274. 37. :bapathum. 15. POLYGONiE. Plex.mon. 



Damp woods and bogs; perennial; July. 

 Stem erect ; branches diffused ; leaves ovate, lanceolate ; 

 whirls remote, glomerate. 



4. Lapathum sangidneum. - Bloody dock. 

 Lower leaves heartshape, lanceolate; upper lanceolate, 



waved ; ribs coloured ; sepales oblong, often tubercled. 



Lapathum folio acuto rubente, Rail Syn. 142, 11. 

 Lapathum sativum sanguineum, Ger, em. 390, 5. 

 Rumex sanguineus, Lin. S. P, 476. 

 Lapathum sanguineum, Lamarck Fl. Fr. 3,2. 

 Bloodieorti 



Woods and waysides ; perennial ; July. 

 Leaves petioled, veined; racemes leafless; thecidium small; 

 — Leaves laxative ; seeds astringent. 



5. Lapathum viride. Green dock. 

 Lower leaves heartshape, lanceolate; iipper lanceolate, 



veined ; ribs green ; sepales oblong, tubercled'. 



Lapathum viride, Dillen in Rati Syn, 141,6. 

 Rumex acutus, Curtis Fl. Land. 

 Rumex acutus /3, Huds. Fl. -dng. 155. 

 Rumex viridis, Sibthorp Fl. Oxon, 118. 



Sandy places ; perennial ; July. 



b. Inner valve of the perigonlum toothed. 



6. Lapathum acutum. Sharp-pointed dock. 



Leaves heartshape, oblong, pointed ; stem smooth ; ra- 

 cemes leafy, divaricated, long; valves oblong, rather toothed, 

 tubercled. 



Lapathum acutum, Rail Syn. 142, 7 ; Ger. em. 388, 1. 

 Lapathunt acutum majus, Park. 1224, 1. 

 Rumex acutus, Lin. S. P. 478. 



Fields and watery places ; perennial ; July. 



Root dyes different shades from straw to olive green. 



(3. minimum. ' Plant small. 



Lapathum acutum minimum, Dillen in Raii Syn, 141, 5; Ger. em. 388, 2; 

 Park. 1224. 



7. Lapathum oltusifolium. Blunt-leaved dock. 

 Radical leaves heartshape, oblong, obtuse ; upper leaves 



ovate, lanceolate, acute; stem roughish; racemes leafless, 

 linear, oblong ; valves tubercled, toothed ; teeth awlshape. 



