PI. ex. mon. 
274 37. Lapathum. 15. POLYGONS 
Damp woods and bogs; perennial; July. 
Stem erect ; branches diffused ; leaves ovate, lanceolate ; 
whirls remote, glomerate. 
4. Lapathum sanguineum . Bloody dock. 
Lower leaves heartsliape, lanceolate; upper lanceolate, 
waved ; ribs coloured ; sepales oblong, often tubercled. 
Lapathum folio acuto rubente, Raii Syn. 142, 11. 
Lapathum sativum sanguineum, Ger. em. 390, 5. 
Itumex sanguineus, Lin. S. P. 476. 
Lapathum sanguineum, Lamarck FI. Fr. 3, 2. 
Rloodicort . 
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 ; upper lanceolate, 
veined ; ribs green; sepales oblong, tubercled. 
Lapathum viride, Dillcti in Rail Syn. 141,6. 
Rumex acutus, Curtis FI. Land. 
Rumex acutus /? , Iluds. FI, Ang. 155. 
Rumex viridis, Sibthorp FI. Oxon. 118. 
Sandy places ; perennial ; July. 
b. Inner valve of the perigonium toothed. 
6. Lapathum acutum. Sharp-pointed dock. 
Leaves heartsliape, oblong, pointed ; stem smooth ; ra- 
cemes leafy, divaricated, long; valves oblong, rather toothed, 
tubercled. 
Lapathum acutum, Raii Syn. 142,7 ; Ger. cm. 388, 1. 
Lapathum 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. 
0. minimum. Plant small. 
Lapathum acutum minimum, Dillen in Raii Syn. 141, 5; Ger. em. 388, 2; 
Park. 1224. 
7. Lapathum obtusifolium. Blunt-leaved dock. 
Radical leaves heartshape, oblong, obtuse ; upper leaves 
ovate, lanceolate, acute; stem roughish; racemes leafless, 
linear, oblong ; valves tubercled, toothed ; teeth awlshape. 
