130 SAXIFRAGES. [SAXII I:\CA. 



Sub-sp. GE'UM, L. (sp.) ; leaves orbicular more or less reniform or cordate 

 crenate or toothed, petiole slender. VAR. 1, serra'ta, Syme ; leaves conlatc 

 crenate or toothed. Mts. of Kerry and Cork. VAR. 2, efegans, Mackay 

 (sp.); leaves abruptly narrowed into the short petiole, acutely toothed. A 

 ' transition form to sub-sp. umbro'sa. VAR. 3, ci-ena'ta, Syme ; leaves deeply 

 cordate obtusely crenate. A naturalized form, woods, N. of England and 

 Scotland. VAR. 4, gradilis, Mackay (M.S. sp.); leaves orbicular hairy on 

 both surfaces. Connor Hill, Dingle. 



Sub-sp. HIHSU'TA, L. (sp.); more hairy, leaves long-petioled broadly ovate 

 margins cartilaginous sharply toothed or serrate rounded at the base or 

 narrowed into the petiole. Kerry and Cork, local and rare. 

 S. AXDKEWSII, Harvey ; leaves linear-spathulate sessile obtuse gla- 

 brous coriaceous, margin membranous ciliate, cyme paniclcd, lilanients 

 subulate, sepals connate at the base hardly adnate to the ovary. 

 Stated to have been found at the head of Glen Caragh, Kerry, but no indige- 

 nous specimens exist. It is identical with S. Gutftriana, Hort., a hybrid 

 between 6*. umlrosa and a species of the Aizoon group. 



SECTION 4. Hircnlus, Haw. (gen.). Perennial. Stem leafy. Leaves alter- 

 nate, linear-lanceolate or oblong, entire or toothed. Sepals free or 4-adnate 

 to the ovary, spreading or reflexed. Petals yellow. 



5. S. Hir'culus, L. ; stem subsimple erect leafy stoloniferous, (lowers 

 subsolitary, sepals free reflexed, capsule superior. 



Bogs and wet moors, rare and local ; Clackmannan, Lanark, Perth ; ascending 

 to 2,100 ft. in Yorkshire ; Antrim, W. Meath and Tipperary ; n. Aug. 

 Pubescent above, 4-8 in., branched from the base. Radical leaves ^-1 in., 

 rosulate, petioled, lanceolate or spathulate ; cauline linear, sometimes 

 faintly serrulate. Flowers 1-2J in. diam. Sejmls ciliate. Petals obovate, 

 dotted red at the base, where there are 2 tubercles. Capsule with short 

 divergent beaks. DJSTRIB. Arctic and Alpine Europe, N. Asia, N. America, 

 Himalaya. 



6. S. aizoi'des, L. ; stems tufted decumbent leafy much branched, 

 leaves linear-oblong crowded below, scattered on the flowering stems, 

 sepals erect connate, adnate below to the ovary. 



Stony places by alpine and subalpine rills ; ascending to 3,000 ft. in the 

 Highlands ; common in Ireland ; absent from Wales ; fl. June-July. Often 

 forming bright green cushions a foot across; branches 3-8 in. Leaves 

 i-2in., spreading, lower re Hexed, often ciliate (S. autumna'lis, L.) ; on the 

 flowering stem narrower, strongly ciliate. Flowers 1-10, \ in. diam., orange 

 or golden yellow, dotted red. Calyx-tube obconic. Petals narrowly ol>- 

 ovate-spathulate, distant. Ovary orange, depressed. Capsule with erecto- 

 patent, subulate beaks. DlSTRlB. Alpine and Arctic Europe, N. Asia, 

 ... America. 



SECTION 5. Nephrophyl'ltun, Gaud. Annual or perennial. Leaves 

 chiefly radical, broad, palmately lobed. Sepals suberect, more or less 

 connate and adnate to the ovary. Petals white. Hairs articulate. 



7. S. tridactyli'tes, L. ; annual, stem erect many-flowered glandulur- 

 hairy, leaves cuneate 3-5-fid, uppermost entire, petioles broad, calyx-lobes 

 short erect obtuse. 



