180 Sarifragee—Saxifraga. 
and purple flowers. It is a native of Siberia, not very distinct 
from the one figured. S. purpwrdscens, from Northern India, 
is the best of this section, but not quite hardy, and very rare. 
2. S.umbrosa. London Pride, None-so-pretty, St. Patrick’s 
Cabbage.—This old favourite is so familiar as to render de- 
scription almost superfluous. Leaves in dense tufts, obovate, 
crenate, narrowed at the base; petiole ciliated. Flower-stem 
leafless, slender; cymose flowers small, white or pink spotted 
with red or purple. There are several varieties of this and 
S. Geum, all of which are referred to one species by some 
writers. The extreme form of the latter has orbicular leaves, 
cordate or rounded at the base; but some of the varieties are 
intermediate between the two. Both are indigenous in Ireland 
and South-western Europe. 
3. 8. granulata.—This species belongs to another distinct 
section with radical palmately lobed leaves, suberect sepals, 
and white petals. It is a native, and the only lowland species 
with the exception of the inconspicuous S. tridactylites, usually 
found on walls and buildings, extending to the South of Eng- 
land. It is distinguished by its granular bulbous roots and 
petiolate reniform-palmate glandular leaves. Flower-stems 
about a foot high. There is a double variety in cultivation. 
S. cérnua is a similar but smaller plant, from mountainous 
districts of the north. 
4. S. Hiveulus.—The representative of a group with leafy 
stems and yellow petals and free sepals. In this species the 
radical leaves are rosulate, petiolate, lanceolate, and the cauline 
linear. A dwarf stoloniferous plant with few or solitary yellow 
flowers. Native of the northern parts of Britain, and widely 
distributed in Arctic and Alpine Europe, Asia, and North 
America. 
5. 8. oppositifolia.—tThe type of a section with opposite 
leaves, furnished with a pore at the tip. The present species 
grows in tufts. Stems slender, 2to 3 inches high, thread-like, 
with a few small glabrous thick dark green leaves, and a com- 
paratively large solitary terminal purple flower. A native 
species, and like the last of’ very wide distribution. This is a 
handsome little plant, flowering in Spring from April to June. 
There is a white and also a pink variety. . biflora, 8. 
Koehii, and S. retiisa are closely allicd specics, 
6. S. hypnoides.—Perennial, with many leafy flowerless 
shoots. alternate palmately luoled leaves, white flowers, and 
