192 SAXIFRAGACER. SAXIEKAGA. 
Var. laxa Engler |. c. Leaves ovate, the whole margin dentate: panicle 
10-12-flowered; pedicels long and slender. With the type. 
S. estivalis Fisch. Ind. Sem. Petr ii, 37. S. punctata of American 
authors not L. Glabrous or somewhat pubescent: caudex short, slightly 
creeping: leaves reniform to round-cordate, on long slender petioles, 
coarsely and almost equally many-toothed or somewhat incised, 1-2 inches 
in diameter: stems -erect, 6-18 inches high, bearing many flowers in a 
loose open panicle; pedicels long and slender; calyx cleft to near the 
base; sepals narrowly oblong, acute, soon reflexed: petals oblong, obtuse, 
rather abruptly narrowed below to a short claw; filaments dilated toward 
the top: capsule oblong, cleft to near the middle. the short beaks abruptly 
diverging. Along high mountain streams, Alaska to California and the 
Rocky Mountains. 
* * Leaves and stems from the summit of a fleshy or bulb-like 
caudex. 
S. Mertensiana Bong. Veg. Sitch. 141. S. heterantha Hook. Sparingly 
pubescent: caudex buib-like propagating by bulbletsin the axils of the 
leaves; leaves round-cordate, 10-12-lobed, the lobes 2-5-toothed, 1-3 inches 
in diameter, on petioles severel times longer than the blade: stems erect, 
6-12 inches high, often bearing bulblets in the axils of the much branched, 
many-flowered, open panicle; flowers white, on slender pedicels; petals 
ovate, attenuate below to a short claw, spreading, white with two yellow 
spots near the hase, 2 lines long, longer than the lanceolate reflexed calyx- 
lobes: filaments dilated upward; ovary free from the calyx: capsule 
inflated-ovate, united only at base, the beaks widely divergent in fruit. 
- wet rocks and cliffs, Alaska to California, west of the Cascade 
ountains, 
S. Marshalii Greene Pitt. i, 159. Scurffy-pubescent: caudex fleshy, 
propagating by oblong tubers at the ends of long filiform runnners: leaves 
oval or oblong to ovate, abruptly contracted at base to a broad petiole, 
obtuse, rather coarsely dentate, 6-2U lines long: stems 6-12 inches high: 
panicle loose, many-flowered, not bulblet-bearing; flowers on slender 
pedicels; calyx free from the ovary, cleft to the base, the lanceolate ob- 
tusish segments soon reflexed: petals oblong-oval, white with two yellow 
spots near the base; filaments dilated about the middle, becoming lanceo- 
late on long claws; capsule short, united only at base, the beaks diverg- — 
ing at right anglesin fruit. On wet banks, southern Oregon, on the 
Rogue river, to Humbolut Co., California. uy 
S. Californica Greene l.c. 286. White-pubescent or glandular-tomen- 
tose: caudex fleshy, propagating by small oblong tubers at the ends of fiii- 
form underground runners: leaves ovate to oblong or elliptical, |-2 inches 
long, narrowed below to a broad petiole, the margin from coarsely crenate to 
repandly denticulate or almost entire, more or less ciliate: stems 6-18 
inches high, few-many-flowered; flowers white, on slender pedicels; calyx 
nearly free from the ovary, divided almost to the base. with oblong rather 
acute soon reflexed segments; petals white not spotted, elliptical to spatu- 
late, obtuse ; filaments flattened but not dilated upward; carpels united only 
at the hase, strongly diverging in fruit. On open hillsides, southern Ore- 
gon to California. : 
S. fragosa Suksdorf, Small Bull. Torr. Club xxiii, 363, Perennial by 
an ascending or horizontal rootstock. that increases by branching at the 
crown, glandular-pilose with rigid hairs: stems erect or assurgent, 12-18 
inches high: leaves ovate or oblong-ovate, entire or repand. 1-2 inches 
long, abruptly narrowed or truncate at base, decurrent on the winged 
petiole which is slightly dilated at base, somewhat coriaceous, glabrate: 
stems 12-18 inches high, erect or assurgent, paniculately branched at the 
top: flowers white, on slender pedicels, in many-flowered cymules, calyx 
