SA.XIFRAGACE.E. 07 



glabrous, except the margins of the leaves and bracts, scape, and 

 pedicels, which have glandular hairs. 



Alpine clustered Saxifrage. 



French, Saxifrage des Neigcs. German, Sclmee Steinbrech. 



Section III.— ROBERTSONIA, Haworth (iucluding 

 ARABIDIA, Tausch). 



Leaves mostly in radical rosettes. Barren shoots short, also 

 forming rosettes. Flowering - stems annual, leafless, or with a 

 few alternate leaves. Flowers in paniculately-arranged cymes. 

 Sepals nearly free from each other and from the ovary, reSexed 

 or more rarely spreading. Petals white, with 2 yellow spots at the 

 base of each, and sometimes red dots on the surface. Capsules 

 superior, or nearly so. 



SPECIES III.-SAXIFRAGA STELLARIS. Linn. 

 Plate DXLII. 



Rootstock branched. Leaves in radical lax rosettes, oblau- 

 ceolatc, wedge-shaped at the base, coarsely and remotely toothed 

 towards the apex. Scapes leafless, rarely with a single leaf. 

 Flowers in lax few-flowered cymes, combined into a panicle, which 

 is corymbose at the top, with few branches. Bracts strap-shaped, 

 much shorter than the pedicels. Sepals almost free from each 

 other and from the ovary, reflexed, lanceolate-oblong. Petals 

 twice as long as the sepals or more, elliptical, contracted at the 

 base into conspicuous claws. Filaments subulate. Capsule wholly 

 superior. 



On damp rocks and wet places by the sides of rills. Common 

 in mountainous districts. In Wales, the North of England, and 

 on all the high hills in Scotland. 



England, Scotland, Ireland. Perennial. Summer. 



Rootstock many-headed, each head terminating in a rosette, with 

 the lower leaves remote ; barren shoots similar to the floweriug ones 

 but smaller. Leaves I to 2 inches long, tapering to the base but with- 

 out an evident petiole, ciliated, and with remote scattered hairs on 

 the upper surface. Scapes 2 to 9 inches high, thinly clothed with 

 short hairs, branched at the top, each branch terminating in a cyme 

 of from 1 to 3 flowers. Flowers f inch across, white. Petals with 

 2 yellow spots at the base. Anthers and generally the pistils red. 

 Capsule I inch long exclusive of the beaks, which are short and 



