saxipragaCeae. 197 



Var. paniculata Jepson. Cymes paniculate, the flowering stems bearing sev- 

 eral peduncled cymes from the middle. — Niles, Jepson. 



3. C. plattiana Jepson. Acaulescent, 3 to 8 in. high; leaves more or less 

 glaucous, the whole plant, including the inflorescence, becoming reddish; rosu- 

 late leaves 1 to 3 in. long, much like those of the preceding; cyme with 

 numerous flowers, very compact and flat-topped, about 1V 2 to 2y 2 in. broad, 

 about l 1 /^ to 1% in. high; pedicels 2 to 5 lines long; sepals triangular, acute 

 or shortly acuminate, 1% lines long; petals broadly lanceolate, distinctly 

 winged on the back, -1 lines long. 



Inner Coast Range: Mt. Diablo; Vaca Mts. 



4. C. laxa Brew. & Wats. Nearly acaulescent, very glaucous; flowering 

 branches stout, 1 to 2 ft. high; rosulate leaves lanceolate, sharply acuminate, 

 3 to 4 in. long or more; inflorescence of 2 to 4 simple secund racemes 3 to 

 5 in. long; pedicels 1 to 2 (or 3) lines long; sepals ovate, acute, 2 to 2% 

 lines long; petals orange-yellow in early anthesis, oblong-lanceolate, acute 

 or acuminate, distinctly keeled, 5 to 7 lines long. 



Gabilan Range and southward to Southern California. 



5. C. setchellii Jepson, n. comb. Herbage merely glaucous; flowering 

 branches slender, 9 to 12 in. high; leaves lanceolate or linear-lanceolate and 

 long-acuminate; petals narrowly oblong, acute; racemes many, elongated and 

 paniculate. — (C. laxa Brew. & Wats. var. setchellii Jepson.) 



Coyote Creek, Santa Clara Co. 



SAXIFRAGACEAE. Saxifrage Family. 



Ours perennial herbs or shrubs with alternate or basal leaves (opposite 

 in Whipplea) and no stipules (except in Ribes). Flowers perfect, perigynous, 

 usually white, often red, never blue, borne in racemes, panicles or cymes, or 

 solitary. Calyx 5-lobed or -cleft. Petals 5. Stamens in ours definite, 5 or 

 10 (or sometimes variable in Whipplea). Ovary partly or wholly inferior, 

 or superior, 1 to 5-celled, the styles or stigmas as many as the cells or placentae, 

 the latter either parietal or axile. Fruit a capsule, follicle, or berry. Seed 

 with endosperm. 



A. Ovary partly inferior or superior; fruit a capsule or follicle. 

 Leaves alternate or radical; herbs. 



Ovary 2 (or 3) -celled with axile placentae, or of 2 or 3 nearly distinct carpels. 



Stamens 10 1. Saxifraga. 



Stamens 5 2. Boykinia. 



Ovary 1-celled. 



Styles or stigmas 2 or 3, alternate with the placentae. 



Stamens 10, not exserted; petals mostly cleft or toothed; styles 2 or 3, very short.. 



3. Tellima. 

 Stamens 10, exserted, as also the 2 styles; petals inconspicuous, almost filiform. . . . 



4. Tiarella. 



Stamens 5; styles 2, little exserted; petals entire, small 5. Heuchera. 



Stigmas 3 or 4, sessile, opposite the placentae; cluster of united sterile filaments alter- 

 nate with the stamens, i. e., at the base of the petals; fertile stamens 5; flower 



solitary on a scape-like penduncle, showy 6. Parnassi a. 



Leaves opposite; low trailing shrub; ovary 3 to 5-celled; stamens mostly 10.. ..7. \\'ii 



B. Ovary wholly inferior; fruit a berry. 

 Leaves alternate; shrubs; stamens 5 or 4; ovary 1-celled 8. Ribes. 



1. SAXIFRAGA L. Saxifrage. 

 Perennial herbs, the leaves entirely or mainly in a basal cluster. Flowers 

 corymbose-paniculate or solitary. Calyx either free from or cohering witli the 

 base of the ovary, 5-cleft or -parted. Petals 5, entire, deciduous. Stamens 



