xxvi. 



305 



produced in great abundance ; and, when the shrub is allowed space to ex- 

 pand on every side, it forms a very beautiful bush in the flowering season. It 

 makes handsome garden hedges, and will bear the shears, which were formerly 

 applied to it, to shape it into artificial forms, when 

 topiary work was fashionable in garden scenery. It 

 is readily propagated by layers, or by detaching its 

 suckers. 



12. S. (H.) THALICTRoVDES Pall. 



'Rue-leaved Spiraea. 



The Meadovv- 



Identification. Pall. Fl. Ross., 1. p. 34. ; Dec. Prod., 2. p. 543.; Don's 



Mill, 2. p. 518. 

 Synonymes. S. quilegifolia Pall. Itin. 3. App. 734. No. 94. ; S. hy~ 



pericifolia var. flava ; and S. alplna latifblia. 

 Engravings. Pall. Fl. Ross., 1. t. 18. ; and our Jig. 509. 



Spec. Char., fyc. Leaves obovate, obtuse, indistinctly 

 3-lobed, inconspicuously 3-nerved, glaucous beneath. 

 Flowers in lateral sessile umbels. (Dec. Prod.) A 

 low erect shrub. Alps of Dahuria. Height 1 ft. to 

 3ft. Introduced in 1816. Flowers white; May and 

 June. Capsule reddish ; ripe in September. 



509. S. (A.) <halictrtSld. 



& 13. S. CUNEIFO^LAI Wall. The wedge-leaved Spiraea. 



Identification. Wall. Cat., 699. ; Bot. Reg. M. Chron. 839, No. 87. 

 Synonymes. S. canlsceus; Don Prod.; Dec. Prod., 2. p. 544.; 



Don's Mill., 2. p. 5)9. ; S. argentea Hort. 

 Engraving. Ourj?g. 510. 



Spec. Char. y Sfc. Leaves oval or obovate, obtuse, 

 stalked, quite entire, villous ; corymbs crowded, and 

 as well as the branches tomentose. (Don's Mill.) 

 An erect-branched canescent shrub, with the habit of 

 S. Aypericifolia. Nepal, at Sirinagur. Height ?. In- 

 troduced in 1837, Flowers white, downy, in close 

 corymbose panicles. 



The leaves are small, thick, downy, wedge-shaped, 

 and either crenated near the point, or undivided ; they 

 are bright green on the upper side, and glaucous be- 

 neath, with nothing of a canescent appearance, which 

 is only visible when they are dried. 



14. S. PIKOWIE'NSIS Besser. The Pikow Spiraea. 



Identification. Besser Enum. PI. PoA, p. 46. No. 1428. ; Dec. Prod., 2. 



p. 543. ; Don's Mill, 2. p. 519. 

 Engraving. Our Jig. 000. in p. COO. 



Spec. Char., $c. Leaves with three primary veins, and serrate at the tip, cu- 

 neate-lanceolate, obtuse, rarely pointed. Flowers in peduncled corymbs. 

 (Dec. Prod.) A deciduous shrub. Podolia at Pikow. Height 3 ft. to 4? ft. 

 In trod, in 1807. Flowers white ; June and July. 



** 15. S. C'EANOTHiFO^LiA Horn. The Ceanothus- 

 leaved Spiraea. 



Identification. Horn. Hort. Hafn., p. 2. 466. ; Dec. Prod., 2. p. 544. 

 Engraving. Our Jig. 511. 



Spec. Char., $c. Leaves ovate, rounded at the base, 

 serrated from the middle to the tip with sharp un- 

 equal teeth. Flowers in indistinctly peduncled 

 terminal corymbs. (Dec. Prod.) An erect shrub. 

 Native country unknown. Height 3ft. to 4ft. 

 Introduced in 1823. Flowers white ; June and 

 July. Capsule reddish ; ripe in September. 



510. S. cuneif6!is. 



,511. S.teaiiot 



