CL. VIII.] OCTANDRIA MONOGYNIA. 183 



mens declining. Stems from three to six feet high : flowers rose- 

 coloured, numerous, in long, terminal, erect clusters. Perennial : 

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

 places: not common. Eng. Bot. vol. xxviii. pi. 1947. Eng. Ft. 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. Ft. vol. ii. 

 p. 213. 581. 



3. E. parvifldrum. Small-flowered 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 segments. 



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. tetragonum. Square-stalked Willow-herb. Leaves lance-shaped, 



sessile, minutely toothed ; stem four-cornered ; stigma undivided. 



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 : common. 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 undivided. 



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 rills, 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, 



