XXVI. ROSA‘CEE! SPIRE A. 309 
a» 23. S.Leviea‘ta L, The smooth-leaved Spirea. 
Identification. Lin. Mant., 244.; Camb. Monog.; Dec. Prod, 2. p. 544.3 
Don’s Mill., 2. p. 519. 
Synonymes. _S. altaicénsis Larm. Nov. Act. Petrop. 15. p. 555. t. 29. f.2.5 
S. altdica Pall. Fl. Ross. 1. p. 272. 
Engravings. Nov. Act. Petrop., t. 29. f.2.; Pall. Fl. Ross., 1. t. 23.3 and 
our fig. 522. ; 
Spec. Char., §c. Leaves obovate-oblong, perfectly smooth, ° 
entire, sessile, tipped with a small mucro. Branchlets 
of the panicle cylindrical. Bracteas linear, rather shorter 
than the calyx. Lobes of the calyx triangular, ascending. 
(Dec. Prod.) A spreading shrub. Siberia, in valleys at 
the foot of the more lofty of the Altaian Mountains. 
Height 2ft. to 4 ft. Introd. in 1774. Flowers white ; 
May and June. Capsule reddish ; ripe in September. 
A very interesting and handsome species, with a habit 
exceedingly dissimilar to that of spiraas in general. 522. S. Imvighta, 
& 24, S. animFo‘LIa Smith, The White-Beam-tree-leaved Spirza. 
Identification. Smith, in Rees’s Cyclop., vol. 33.; Bot. Reg., t.1365.; Dec. Prod., 2. p.544.; Don’s 
1 2. p. 520. 
Engravings. Bot. Reg., t. 1365.; and our figs, 523, 524. 
Spec. Char., §c. Leaves elliptical, oblong, 
more or less lobed, toothed, pale, villose 
beneath. Panicle villose. (Dec. Prod.) 
An erect bushy shrub. North America, - 
principally on the north-west coast. 
Height 6 ft. to 8ft. Introduced in 1827. 
Flowers white ; June and July. Capsule 
reddish ; ripe in September. 
A free-growing dense bush, prolific both 
in leaves and flowers ; and, as the latter 
appear at a season when the flowering of ; 
.shrubs ig comparatively rare, it is justly 504. s. arie@lis. 
considered as a most valuable addition to 
British gardens. It is perfectly hardy, will grow in any free soil, and is easily 
propagated either by division or by seeds, which it ripens in abundance. 
523. S. ariefolia. 
§ iv. Sorbdria Ser. 
Sect. Char, Leaves pinnate, resembling, as the name implies, those of the 
mountain ash, or other species of Pyrus belonging to the scction Sérbus. 
% 25. S. sorziro‘L1A L. The Sorbus-leaved Spirza. 
Identification. Lin. Sp., 702. 5 camo. Monog.5 Dec. Prod., 2, p. 545. 
Engravings. Gmel. Fi. Sib., 3. i 190. t. 40. ; Schmidt Buum., 1. t. 58.; and our,fig. 525. 
Spec. Char., §c. Leaves stipuled, pinnate ; the leaflets sessile, opposite, lan- 
ceolate, doubly and sharply serrated. Inflorescence a thyrse-like panicle. 
Torus whoily connate with the tube of the calyx. Ovaries connate, 5. 
(Dec. Prod.) A thick stiff-branched shrub. Siberia, in moist places. Height 
3ft.to 6ft. Introd. in 1759. Flowers white; July and August. Capsule 
reddish ; ripe in September. ‘ 
Variety. ’ : 
2 S.s. 2 alpina Pall. Fl. Ross. i. p. 34. and 89, t.25. S. grandiflora 
Sweets Hort. Brit. p.194.; S. Pallasii Don’s Mill. ii. p. 520.— 
Suffruticose. Flowers twice the size of those of the species, and 
disposed in corymbs. Leaves smaller, and serrately incised. A na- 
tive of Eastern Siberia and of Kamtschatka. (Dec. Prod.) This is 
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