XXVI. ROSA‘CEE: SPIRE A. 303 
on high rocks. Height 1 ft. to 2 ft. Introduced in 1825. Flowers white; 
June and July. Capsule reddish ; ripe in September. 
A very distinct little species approaching S. vacciniifolia, D. Don. H. 8. 
% 9, S, rritopa‘ta L. The 3-lobed-leaved Spirzxa. 
Identification. Lin. Mant., 244.; Camb. Monog. ; Dec. Prod., 2. p. 543. 
Synonyme. S. triloba Don's Mill. 2. p. 518. 
Engravings. Pall. Ross., 1. t. 17.5 Wats. Dend. Brit., t. 68, as S. tri- 
loba ; and our jig. 502. 
Spec. Char., §c. Leaves roundish, lobed, crenated, 
glabrous, reticulately veined. Flowers in umbel-like 
corymbs. Sepals ascending. Carpels glabrous. (Dec. 
Prod.) A low erect shrub. Alps of Altai. Height 
lft. to 2ft. Introduced in 1801. Flowers white ; 
May. Capsule reddish; ripe in September. 
This species is very handsome, with branches spread- 
ing horizontally, and bearing, in the flowering season, 
numerous compact corymbs of pure white flowers ; 502. S.trilobata. 
which, combined with the neat appearance of the plant, 
and its glaucous leaves, rounded in their outline, and yet lobed, render the 
species a very interesting and ornamental one. 
2 10. S.auer'na Pall, The Siberian alpine Spirza. 
Identification. Pall. Fl. Ross., 1. p. 82. t.20., according to 
Camb. Monog.; Dec. Prod., 2. p. 543.; Don’s Mill., 2. p. 518. 
Engravings. Pall. Fl. Ross., 1. t. 20. ; and our fig. 503. 
Spec. Char., §c. Leaves lanceolate-oblong, ses- 
sile, serrulated, glabrous ; the midrib pinnately 
branched. Flowers in terminal, stalked, and, 
in many instances, leafless, corymbs. Sepals 
ascending. (Dec. Prod.) An erect shrub. 
Siberia, in wooded alps. Height 4 ft. to 6 ft. 
Introduced in 1806. Flowers white ; June and 
July. Capsule reddish ; ripe in September. 
The corymbs of flowers being large in propor- 
tion to the leaves renders this species very orna- 
mental when in bloom ; and its beauty is farther 503. S. alpina. 
heightened by the plant being of erect growth. 
% 11. S. aypericiro‘L1A Dec. The Hypericum-leaved Spirza. 
Identification. Dec. Fl. Fr., 5. p. 645, 3 Prod., 2. p. 543.; Don’s Mill., 2. p. 519. 
Synonymes. Hypéricum fritex Hort.; Italian May. 
mgravings. See Varieties. 
Spec. Char., §c. eaves obovate-oblong, 3—4-nerved, entire or toothed, 
glabrous, slightly downy ; primary veins pinnately branched. Flowers in 
either peduncled corymbs, or sessile umbels. Pedicels glabrous, or slightly 
downy. Sepals ascending. A species that presents diversified appearances. 
(Dec. Prod.) An erect shrub. Supposed by some to be a native of Ca- 
nada; but Smith and Hooker think that, hke most of has 
the species of the section to which it belongs, it is only 
to be found wild in the Old World. Height 4 ft. to 6 ft. 
Introduced in 1640. Flowers white; June and July. 
Capsule reddish ; ripe in September. 
Varieties. Seringe has characterised six forms of this species, 
which he describes as follows : — 
g S.h. 1 uralénsis Ser. 9S. crenata Lin., Fisch. in 
Litt., and Don’s Mill, ii. p. 519.; S. hypericifolia 
Camb. Monog. (Our jig. 504.) — Branches rigid, 
rs 
$04. S. 7. uraténsis, 
