SAXIFRAGA. 



223 



sided, keeled, margined with white 

 wustaceous dots. Alps and Pyrenees. 

 Well-exposed spots in the rock- 

 garden, in moist and firm sandy loam. 

 Careful division, and seed. 



Saxifraga caespitosa (Tufted S.) 

 A green, densely tufted species, very 

 nearly allied to S. hypnoides, but not 

 emitting weak prostrate barren shoots 

 like that species. Flowers, in spring 

 or early summer ; white, smaller than 

 those of S. hypnoides, the flowering- 

 stems mostly covered with a short 

 glandular down, and bearing 1 to 4 

 Sowers each ; petals oval, twice as 

 long as the obtuse divisions of the 

 calyx, 3-nerved, the side ones curved. 

 Leaves, of the root, 3- to 5-parted, or 

 undivided; segments linear or lance- 

 shaped, obtuse ; lower stem - leaves 

 palmate ; upper ones mostly 3-parted. 

 Plant beset with glandular hairs. 

 Europe and the British Isles. Bor- 

 ders, rockwork, and banks, in any 

 soil. Division. 



Saxifraga ceratophylla (Horn-leaved 

 8.} A very showy and vigorous 

 species, with dark green leaves, form- 

 ing compact wide -spreading tufts ; 3 

 to 8 in. high. Floioers, in early sum- 

 mer ; pure white, abundantly pro- 

 duced in loose branched panicles ; 

 petals oblong ; calyx brownish, 

 smooth ; pedicels and calyces covered 

 with clammy juice. Leaves, deeply 

 2- or 3 -parted, stalked, stiff, smooth ; 

 segments awl - shaped, with horny 

 points ; stalks naked, channelled 

 above ; stems reddish at the base, 

 covered with clammy juice. Spain. 



Borders, the rock - garden, or 



naturalized on bare banks, slopes, or 

 rocky places, in ordinary soil. Divi- 

 sion or seed. 



Saxifraga coriophylla (Early Silver 

 Saxifrage). A sturdy and very orna- 

 mental little silvery species, nearly 

 3 in. high. Flowers, early in spring ; 

 few, large, pure white; petals obovate- 



oblong, marked with three straight 

 veins ; sepals oblong, obtuse, half as 

 long as the petals. Leaves of the stem 

 very small ; those of the rosette entire, 

 shortly oblong, obtuse, rigid, spread- 

 ing, slightly concave on the upper 

 side, convex and keeled beneath, 

 carved on the margin into a series of 

 5 to 7 pits or depressions ; stem glan- 

 dular, downy. Alpine regions of 

 Northern Albania. The rock-gar- 

 den, the margin of the choice mixed 

 border, or even for diminutive edgings 

 in the select spring garden, thriving 

 in any free and rather cool soil. Divi- 

 sion and seed. 



Saxifraga cordifolia (Heart - leaved 

 S.) Megasea cordifolia. A very 

 large-leaved, evergreen perennial, en- 

 tirely distinct in aspect from the small 

 Saxifrages. Flowers, in spring, some- 

 what later than S. crassifolia ; clear 

 rose, large, in tbyrsoid panicles ; 

 petals roundish, clawed, inserted in 

 the calyx ; calyx bell - shaped, 5- 

 parted. Leaves, large, fleshy, round- 

 ish-heart-shaped, on long thick stalks, 

 serrated, smooth ; stalks furnished on 

 both sides at the base with entire 

 membranous stipules. Roots, thick, 



fleshy. Siberia. Borders, rough 



rockwork, rootwork, etc., and natura- 

 lized on sheltered sunny banks, where 

 its early-flowering tendency would be 

 encouraged, in ordinary soil. Division. 



Saxifraga Cotyledon (Pyramidal S.) 

 A noble silvery -leaved kind ; 1 to 

 over 2 ft. high. Flowers, in early 

 summer ; white, in a large, elegant 

 pyramidal panicle on a stem from 6 in. 

 to a yard high ; petals oblong or spoon- 

 shaped, conspicuously 3-nerved j calyx 

 densely beset with glands. Leaves, 

 in large rosettes, flat, fleshy, spoon- 

 shaped, silvery-edged, and margined 

 with finely pointed serratures. Great 

 mountain chains of Europe, from the 

 Pyrenees to Lapland. S. pyramidalis 

 is a variety having a more erect habit, 



