126 



SAXIFRAGACEAE 



hairy; leaves thin-membranous, shallowly lobed or incised, serrate, 1 to 4 inches 

 broad; petioles lonpr, dilated at base and bearinp: stipule-like bristles or subulate 

 lobes; flowers slifjjhtly irrej^ular, borne in a panicle of secund racemes; lower por- 

 tion of calyx-tube <,'lan(lular-hairy, upper portion nerved or somewhat ridged; 

 calyx in age urn-slia])ed; calyx-lobes lanceolate-triangular; petals obovate to ob- 

 lanceolate, obtuse. 



Along wooded streams, often close to the water : near the coast, 50 to 2000 feet, 

 Santa IMonica IMts. to Humboldt Co.; Sierra Nevada, 2000 to 4500 feet, from 

 Amador Co. to Sierra Co. North to Washington. June-July. 



Locs. — S. Cal. : Topango Cauon, Santa Monica Mts., Barber; Santa Inez Mts., G. W. Dunn. 

 Coast Ranges: Lucia, Monterej' Co., Jepson 1670; Arroyo Seco, Santa Lucia Mts., J. T. Howell 

 3014; Soquel Creek, Santa Cruz Mts., Jepson 13,454; Inverness, Jepson 557b; Ft. Bragg, JV. C. 

 Mathews 88; Mt. St. Helena, Alice King; betw. Cahto and Westport, Jepson 13,452; Carlotta, 

 Humboldt Co., If. S. Baker 84b; Martin Ranch, South Fork Trinity River, Jepson 2012; Sommea 

 Bar, Klamath River, Chandler 1501. Sierra Nevada: New York Falls, Amador Co., Hansen 293; 

 Bear Valley, Nevada Co., Jepson 13,455; Bowman Lake, Nevada Co., A. M. Carpenter; near 

 "Weeds Point, Nevada Co., Jepson 16,772. 



Refs.— BoYKiNiA ELATA Greene, Fl. Fr. 190 (1891) ; Jepson, Fl. W. Mid. Cal. 269 (1901), 

 ed. 2, 198 (1911), Man, 458, fig. 451 (1925). Saxifraga elata Nutt. ; T. & G. Fl. 1:575 (1840), 

 type loc. Chinook Pt., lower Columbia River, Nuttall. Therofon elatum Greene, Man. Reg. S. F. 

 Bay 121 (1894). B. occidenialis T. & G. Fl. 1:577 (1840), type from Oregon, Douglas. Thero- 

 phon cincinnatum Ros. & Ryd. N. Am. Fl. 22:124 (1905), type loc. Santa Cruz, Pringle. B. occi- 

 denialis var. cincinnata Ros,; Engler, Bot. Jahrb. 37":beibl. 61 (1906), 



2. B. rotundifolia Parry. (Fig. 149.) Stems slender, 1 to 2 feet high ; stems 

 and petioles glandular-hirsute and viscid; leaf -blades round-cordate, very shal- 

 lowly lobed, denticulate, 2 to 7 inches broad; petioles bristly at base, the bristles 



sometimes pinnately branched; calyx 10- 

 nerved, hirsutulous, more or less glandular; 

 petals obovate, little surpassing the calyx-lobes. 

 Borders of montane streams, 2500 to 6500 

 feet : south slopes of the San Gabriel Mts. and 

 San Bernardino Mts.; north slope of the San 

 Jacinto Mts. July. 



Locs. — San Gabriel Mts. near Glendora, Braunton 

 767; Mt. Wilson, Geo. B.Grant 1289; Waterman Canon, 

 San Bernardino Mts., Parish 7147 ; Mill Creek, San 

 Bernardino Mts. ; Snow Creek, San Jacinto Mts., Clary 

 1640. 



Refs. — BoYKiNiA ROTUNDIFOLIA Parry; Gray, 

 Proc. Am. Acad. 13:371 (1878), type loc. Waterman 

 Canon, San Bernardino Mts., Parry Sr Lemmon 113; 

 Jepson, Man. 458 (1925). Therofon rotundifolium 

 Wheelock, Bull. Torr. Club 23:70 (1896). 



3. B. major Gray. Stem coarse and stout, 

 2 to 3 feet high; herbage somewhat glandular- 

 scabrous; leaf -blades roundish-cordate, 4 to 8 

 inches broad, 5 to 9-clef t, the divisions coarsely 

 incised and toothed; lowest stipules membra- 

 nous, the upper foliaceous, partly clasping the 

 stem, often unequal in size and unlike in shape, 

 5 to 20 lines broad, those at the middle of the 

 stem broadest; calyx-tube at first hemispheri- 

 cal, soon subglobose or urn-shaped, the lobes triangular, acute; petals obovate or 

 roundish-ovate, 2i/2 lines long. 



Wet meadows in w'oods or by wooded banks of streams, 3000 to 5700 feet : Sierra 

 Nevada from Madera Co, to Butte Co.; Humboldt Co. to Siskiyou Co. North to 

 Washington and Montana. July 15- Aug. 



Fig. 149. BOYKINIA ROTUNDIFOLIA 



Parry, a, basal leaf, X %; h, infl., 

 X 14 ; c, fl., X 3. 



