ALPHABETICAL LIST OF PLANTS 353 



only considered half hardy, can in favoured climates be grown out of 

 doors, provided it is planted in a sheltered position, in full sun, 

 fairly protected from the winter rains. It spreads by means of 

 creeping runners. It has hairy, heart-shaped leaves, which are red 

 beneath. Flowers white, the two inner petals having a yellow spot, 

 and the central one scarlet spots at the base. Of easy cultivation. 



S. sancia {Group III., Cushion).— Yorvs\s large, dense cushions 

 of bright green spiny leaves. Small yellow flowers, borne in rather 

 dense heads, on stems about 2 inches long. Blooms in early 

 spring. One of the best known Saxifrages, and very like S. 

 Juniperina. It is of the easiest culture, but is not a profuse flowerer. 



S. scardica {Group III.., Cushion). — Rather pointed, silvery-grey 

 leaves in hard rosettes. Flowers white, and borne four to six in 

 flattish heads, on stems about 2 inches high. Blooms in June. Not 

 difficult to cultivate, and fairly vigorous. A very desirable plant, but 

 difficult to get true. 



S. serratifolia {Group V., Uinbrosa). — Very similar to S. Geujn^ 

 but with long and very serrated leaves. 



S. speciosa {Group II, Encrusted). — A hybrid of S. longifolia. 

 It forms very compact tufts of handsome dark green silvery leaves. 

 Flowers white, and borne in rather dense heads on short stems. 

 A pretty and attractive plant. 



5. splendens. — Is also another hybrid, S. longifolia x Cotyledon. 

 It has handsome rosettes of silver-margined leaves, but the flowers 

 are of rather an ugly shade, of a greenish-white colour. 



S. squarrosa {Group III, Cushion). — Rather similar to 6". caesia. 

 It forms tiny tufts of rosettes of stiff little green leaves very minutely 

 marked with silvery dots. Flowers pure white, and larger than 

 S. caesia, and borne two to three on slender stems. Blooms in 

 June. 



S. Stracheyi {Group VI., Megasea). — Only grows about 6 inches 

 high, with pretty bluish-pink-coloured flowers. There is also a 

 pretty white variety. 



S. stellaris. — A small-habited native species, for a very wet spot 

 in peat, sand, and sphagnum moss. Its flowers are white, spotted 

 crimson, and borne in feathery heads like a small " London Prided' 

 A very pretty little plant. 



S. Stribnryi {Group III, Cushion). — Very similar to S. Frede7ici- 

 Augusti, but flowers borne in a flat head instead of a loose spike. 

 A vigorous and attractive plant of quite recent introduction. 



S. taygetea {Group VI., Umbrosa). — Very similar to S. rotundi- 

 folia, of which it was at one time considered only a variety. 



S. thessalica {Group III, Cushion). — Forms flat rosettes of 

 narrow, pale blue-grey leaves, rather thorny in appearance. Flowers 

 and bracts deep crimson, and spike red. A very distinct plant, 



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