Pl.cjc.cal. 16. SAXIFRAGEi?^. 316. Siixifiaga. 533 



Saxifraga rotiindifolia alba, Rail Syn. 354, 6. 

 Saxifraga alba, Ger. em. 841, 1. 

 Saxifraga alba vulgaris. Park. 424. 

 Saxifraga granulata, Lin. S. P. 516. 

 TV/lite saxifrage. White stone-break. 



Fields and pastures ; perennial ; May. 

 Stem upright, rather viscid; leaves fleshy; stem-leaves 

 sessile; petals reverse ovate, white, not spotted. 



^. dupUcata. Flowers double. 



6. Saxifraga rivularis. Rivulet saxifrage. 

 Root fibrous ; ste7n usually 2-flowered ; leaves petioled, 



palmate, 3 to 5-lobed, bald ; uppermost spathulate, undi- 

 vided. 



Saxifraga rivularis, Lin. S. P. 577. 



Rivulets in fissures of rocks ; perennial ; June and July. 

 Stem single, 2 inches high; fowers upright, white ; petals 

 pointed, small. 



e. Stem upright, leafy; leaves palmate, slender at bottom, 

 herbaceous ; flowers panicled, white ; ovary adherent, urn- 

 shaped; root annual. 



7. Saxifraga tridactylites. Threefingered saxifrage. 

 Stem upright, branched ; leaves alternate, wedgeshape, 



3 or 5-cut. 



Saxifraga verna annua humilior, Rnii Syn. 354, 4. 

 Paronychia rutaceo folio, Ger. em. 624,2. 

 Paronychia foliis incisis, Park. 556, 

 Saxifraga tridactylites, Lin. S. P.blQ. 

 Saxifraga annua, Lapeyr. Sax. 39. 

 Rue-leaved whitlow-grass. 



Dry walls and waste places ; annual ; May. 

 Root fibrous ; leaves downy ; panicle leafy ; petals ovate, 

 small. 



B. lanceolata. Stem branched ; upper stem-leaves opposite, 

 spearshape. 



y. simplex. Stem simple ; leaves undivided. 



f. Saxifragae verae. Stem leafy, perennial ; leaves aggregated 

 at the base in roses, many cut ; petals sessile. 



8. Saxifraga lanceolata. Spear-leaved sa.xifrage. 



Leaves bald, fringed; rose-leaves 7-cut, palmate; bud- 

 leaves very short, upright, 3 or 5-cut; stem-leaves spear- 

 shape ; petals rounded,' reverse ovate. 



Saxifraga lanceolata, Haworih Suppl. Succ. 324. " 



