SAXIFRAGE FAMILY 



169 



lobed ; laiiliiic Itavts sessile, more deeply cut into more acute 

 segments ; jioKn-rs \n a luose cluster, i in. across, inclined, pure 

 white. — Gravelly banks and meadows ; not uncommon. A 

 double variety is grown in gardens. — Fl. April;^ — June. Perennial. 



****** 7'iifted plants ivitli leaves paliualely cut into 

 narrow sci;nicnts : Jloivers ivliite 



13. 5. i\i:spitosa (Tufted Alpine Saxifrage), distinguished by 

 the obtuse lobes of its leaves, with few small, crowded flowers, 

 occurs very rarely on alpine summits, forming bright green 

 cushions. — Fi. May — August. Perennial. 



14. i', Stern/'er^'ii, a very hairy glandular species, with 3 — 4- 



^# 



CUKYSOsl'LLMl'M O PI'i tsii I Kill .1 U M {C''rrniU'II Coi<tcfl Saiifrilgt^. 



lobed leaves, the lobes lanceolate, acute, fringed, occurs on alpine 

 rocks in the south-west of Ireland. — fl. July, I'ercnnial. 



15. S. rosdeea, a closely allied form, with 3 — 7-lobed leaves, 

 the lobes abruptly acuminate, occurs in North ^\'ales. 



16. S. greenldndiea, another closely-allied form, i — 2 in. high, 

 densely tufted, with few cauliiie leaves : leaz'es broadly wedge- 

 shaped, palmately 3 — 5-fid, with ovate-lanteolate acute lobes, 

 and I'ew flouv/s, has been recorded from BeU; Lawers. 



17. 6'. li/rta (Hairy Saxifrage), with 3 — .^^-lobed leaves, very 

 finely cut into bristle-pointed lobes and Jloivers 2 — 4 together, 

 with subulate sepals and oblong 3-veined petals, the sides of 

 which are inllexed, occurs on the Galtce Mountains, — Fl. Jul)-. 

 Perennial. 



iS. .S". livpnoiiles (Mossy Saxifrage). — '\Vith trailing barren 

 shoots and erect flowering ones ; leai'es mostly 3-cleft, bristle- 

 pointed, wilh nairow fringed segments wi"th narrow triangular 



