CL. VIII.] OCTANDRIA MONOGYNIA. 183 



stamens declining. Stems from three to six feet high. : flowers 



rose-coloured, numerous, in long, terminal, erect clusters. Peren- 

 nial : flowers in July and August : grows in moist meadows, shady 

 and rocky places: not common. Eng. Bot. vol. xxviii.pl. 1947. 

 Eng. Fl. vol. ii. p. 212. 580. 



** Flowers regular. Stigma deeply four -cleft. 



2. E. hirsutum. Great Hairy Willow Herb. Codlings and Cream. 

 Leaves between egg-shaped and spear-shaped, half embracing the 



stem, hairy; stem very much branched; root creeping. Stems 



about four feet high : flowers in leafy clusters, large, of a fine rose- 

 colour : the top shoots have a delicate fragrance resembling that of 

 scalded codlings. Perennial : flowers in July : grows in watery 

 places, ditches, banks of rivers and lakes : common. Eng. Bot. 

 vol. xii. pi. 838. Eng. Fl. vol. ii. p. 213. 581. 



3. E. parviflorum. Small- floicered Hoary Willow-herb. Leaves 

 lance-shaped, sessile, downy ; stem little branched, woolly ; root 

 fibrous. Stem about two feet high : flowers small, pale rose- 

 colour. Perennial : flowers in July : grows in watery places, ditches, 

 c. : very common. Eng. Bot. vol. xii. pi. 795. Eng. Fl. vol. ii. 

 p. 214. ' 582. 



4. E. montdnum. Broad Smooth-leaved Willow-herb. Leaves egg- 

 shaped, toothed, opposite ; stem round ; stigma in four deep seg- 

 ments. Stem from one to two feet high, erect : lower leaves 



opposite, upper alternate: flowers light-purple, not numerous. 

 Perennial : flowers in July : grows in dry shady places : common. 

 Eng. Bot. vol. xxvii. pi. 1177. Eng. Fl. vol. ii. p. 214. 583. 



*** Flowers regular. Stigma undivided. 



5. E. roseum. Pale Smooth-leaved Willow-herb. Leaves egg- 

 shaped, toothed, opposite ; stem obscurely four-cornered ; stigma 



undivided. Leaves smooth, thin, and delicate: flowers light 



purple. Perennial : flowers in July : grows in waste boggy grounds 

 or watery places : rare. Eng. Bot. vol. x. pi. 693. Eng. FL vol.ii. 

 p. 215. 584. 



6. E. tetrdgonum. Square-stalked Willow-herb. Leaves lance- 

 shaped, sessile, minutely toothed ; stem four-cornered ; stigma un- 

 divided. Stem from twelve to eighteen inches high : flowers 



pale-purple, few, in leafy clusters. Perennial : flowers in July : 

 grows in marshes, and by the sides of ditches and rivulets : com- 

 mon. Eng. Bot. vol. xxviii. pi. 1948. 585. 



7. E.palus'tre.- Round-stalked Marsh Willow-herb. Leaves narrow, 

 lance-shaped, sessile, slightly toothed ; stem round ; stigma undi- 

 vided. Stem from six to eighteen inches high -. flowers pale- 

 purple, in leafy clusters. Perennial : flowers in July : grows in 

 marshes, and by the sides of ditches and rivulets : common. Eng. 

 Bot. vol. v. pi. 346. Eng. FL vol. ii. p. 216. 586. 



8. E. alsinifolium. Chickweed-leaved Willow-herb. Leaves egg- 

 shaped, acute, toothed, stalked ; stem decumbent at the base, 



bluntly four-cornered; root creeping. Stems about six inches 



long : flowers rose-coloured. Perennial : flowers in June and July: 

 grows on the edges of mountain rillg, in the north of England, 

 and in the Highlands of Scotland. Eng. Bot. vol. xxviii. pi. 2000. 

 Eng. Fl. vol. ii. p. 216. Fl. Scot. p. 117. 587. 



9. E. alpinum. Alpine Willow-herb. Leaves elliptical, obtuse, 



