8AXIFRAQACEA 119 



SAXIFRAGACEJE. 



9 1. Herb a with leaves alternate or all radical (except No. 2 in 7): styles 2 or 3 (sessile 

 Rtigm*A 3 or 4 in 11): carpels united or rarely distinct, the tips divergent (flattened* 

 obcordate in 19.). 



Stamens apparently many in clusters, only 6 perfect 11 



Stamen* 8-10: petals none: flowers minute, axillary, solitary 19 



Stamens 10 (rarely more or less in No. 1): flowers in terminal racemose or cymoee clusters. 



Petals broad, entire : ovary 2-celled or carpels distinct 1 



Petals pinnatifid, 3-7 lobed or entire: ovary 1 -celled: racemes simple 7 



Petals entire, very slender: styles slender; carpels unequal. 8 



Stamens 5: petioles expanded stipule-like, or bristly at base. 



Petals deciduous, entire, broad: radical leaves 3 -parted No. 2 In 1 



leaves 3-9-lobed or cleft: ovary inferior. 2 



Petals deciduous, often crenate, white: seeds winged 6 



pinnatifid or 3-cleft; lobes filiform-: ovary globular. 9 



entire or wanting, small: ovary 1-ceiled 10 



Petals persistent, entire or 3 -lobed, spatulate, violet: ovary inferior 8 



entire, slender, purple: ovary superior 4 



Stamens 3: petals entire, filiform, recurved persistent 6 



I 2. Shrubs with large white flower* or woody -bated herbs: leave* opposite. 



Shrubs: stamens 20 or more: petals 4 or 5: stigmas distinct 18 



petals 5 toT: stigmas united 14 



Herbaceous: branches terminated by capitate clusters of small flowers. 15 



| 3. Slender shrub*: leave* alternate: flower* mottly in drooping clusters: ovary inferior, 

 globose* calyx-lobe* larger than the erect petal*, utually petaloid 16 



I. SAXTFRAGA, Linnaeus. 



* Stemle**, or rarely a leaf or two on the scape below. 



Leaves large, peltate, cupped in the center: flowers pink, 1 



Leaves an inch or less broad, short petioled: scape 2 to 4 inches high 2 



Leaves rounded-cordate, long petioled: filaments broadest above: calyx soon reflexed 8, G 

 Leaves not cordate, contracted at base into a margined petiole or nearly sessile. 



Calyx-lobes erect or spreading 8, 6 



Calyx-lobes reflexed in fruit or sooner. 4, 6, 7 



* Stem* leafy, tufted (except No. IS): petiole* thort. 



Leaves small, evergreen, entire, crowded. Alpine, 10 



Leaves like strawberry leaflets: flowers greenish 11 



Leaves few on the stem: stamens 5 1Q 



I. 8. peltata, Torr. Scape stout, 1-3 ft. high: carpels distinct. Streams. 



& 8. Parryi, Torr. Calyx and white petals brown or purple-veined. 



