370 DlffiCIA DIANDRIA. [CL. XXII. 



solete ; branches erect ; scales of the catkins acute, shaggy. A bushy 



shrub, eight or ten feet high, with dark-brown branches. Flowers in 

 May: found by Mr. W. Borrer in Breadalbane and Glen Nevis. Eng. 

 F 1. vol. iv. p. 174. 1381. 



9. S. nitens. Shining-leaved Willow. Leaves elliptical, acute, un- 

 equally serrate, very smooth and glaucous beneath, minutely downy 

 with a downy central rib above ; stipules obsolete ; branches spreading ; 



catkins nearly sessile, with acute, shaggy scales. A bushy shrub, ten 



or twelve feet high : leaves an inch and a half long, deep shining green. 

 Flowers in April : grows in the mountainous parts of Scotland : rare. 

 Eng. Fl. vol. iv. p. 175. 1382. 



10. S. Davalliiina. Davallian Willow. Leaves lance-shaped, inclin- 

 ing to inversely egg-shaped, finely serrate, or minutely toothed, tapering 

 at both ends, smooth ; rather glaucous beneath ; flower-stalks, central 

 rib, and young branches, somewhat downy ; catkins with small rounded 



scales ; capsules lance-shaped, smooth A bushy shrub, about six 



feet high, with smooth, brown branches : leaves about an inch and a 

 half long. Flowers in May : grows in the Highlands of Scotland. Eng. 

 Fl. vol. iv. p. 175. 1383. 



11. S. Wnlfenidna. Wulfenian Willow. Leaves inversely egg- 

 shaped or elliptical, somewhat pointed, finely serrate, smooth, glaucous 

 beneath ; catkin dense, with hairy scales, longer than the stalks of the 



awl-shaped, hairy germens ; style longer than the stigmas. A shrub 



about six feet high : leaves an inch and a half long, with reticulated 

 veins. Flowers in April and May : found by Mr. W. Borrer in Breadal- 

 bane and at Kirkby Lonsdale. Eng. Ft. vol. iv. p. 177. 1384. 



12. S. tttrapla. Four-ranked Willow. Leaves between elliptical and 

 oblong, pointed, and equally serrated, nearly smooth, glaucous with pro- 

 minent veins beneath ; stipules half heart-shaped ; scales commonly 

 shorter than the hairy stalks of the oblong smooth germens; style as 



long as the stigmas. A small shrub, nearly allied to the last, of which 



Dr. Walker says, " four leaves complete the spiral upon the branch, 

 and on account of this singularity, it has been called S. tetrapla." 

 Essays, p. 408. Flowers in May : found in Breadalbane by Mr. W. 

 Borrer. Eng. Fl. vol. iv. p. 177. 1385. 



13. S. bicolor. Shining dark-green Willow. Leaves between elliptical 

 and oblong, acute, waved, and slightly serrate, nearly smooth, glaucous 

 beneath ; leaf-stalks dilated at the base ; stipules pointed, serrate ; scales 

 obtuse, hairy, half as long as the densely downy, egg-shaped, long-stalked 



germen. A small tree, six feet high or more, with erect reddish-brown 



branches. Flowers in April and May : grows in woods and thickets. 

 Eng. Bot. vol. xxvi. pi. 1806. Eng. Fl. vol. iii. p. 178. 1386. 



14. S. tenuifolia. Thin-leaved Willow. Leaves elliptical, acute, ser- 

 rate, smoothish, glaucous beneath ; stipules small or none; scales hairy : 

 capsule egg-shaped, smooth, on a short smooth stalk. A small spread- 

 ing shrub : the young branches downy. Flowers in May and June: 

 grows about the rocky banks of rivers. Eng. Bot. vol. xxxi. pi. 2186. 

 Eng. Fl. vol.iv. p. 179. 1387. 



15. S. malifdlia. Apple-lenved Willow. Leaves between elliptical 

 and oblong, toothed, waved, thin and crackling, very smooth ; stipules 

 heart-shaped, about the length of the flower-stalks ; scales inversely egg- 



