ROSE FAMILY. 209 



Marshy or springy places along the sea-coast, San Francisco and northward. 

 Sierra Nevada. 



3. P. glandulosa Lindl. Erect, 1 to 3 ft. high, glandular-pubescent above; 

 radical leaves 4 to 8 or even 15 in. long; leaflets 5 or 7 (or those of the upper- 

 most leaves 3), broadly ovate or obovate with cuneate base, 1 to 3 in. long; 

 cyme lax, leafy-bracted ; flowers small, the pale yellow obovoid petals scarcely 

 equaling the calyx; stamens 25, in one row on the margin of the thickened 

 disk; style attached below the middle of the ovary. 



Wooded hills of the Coast Eanges and north to Washington. Apr. -May. 

 The var. NEVADENSIS Wats, is the .Sierra Nevada form; leaflets small; inflores- 

 cence more naked. 



4. P. multijuga Lehm. Stems erect, 1 ft. high, the leaves mostly at base; 

 herbage glandular; leaflets 17 to 23, or the terminal ones more or less confluent, 

 roundish to cuneate-obovate, sharply toothed except at the very base, 5 to 6 

 lines long ; calyx short-campanulate, the bractlets entire, smaller than the lobes ; 

 petals narrowly oblong, white, spreading; filaments subulate-dilated, the alter- 

 nate little shorter. 



Monterey to Santa Barbara; also Ballona (ace. to Abrams). 



5. P. californica (C. & S.) Greene. Stems stoutish, 1 to 2 ft. high; herb- 

 age glandular-pubescent; leaves mostly radical; leaflets thickish, 9 to 21 (or 

 the upper leaves with fewer leaflets), cuneate-obovate to -oblong, toothed or 

 incised at the apex, % to 1 in. or less long; flowers solitary, or commonly in 

 dense clusters in a cymose-dichotomous inflorescence; calyx cup-shaped, 4 to 

 6 lines high, about equaling the spatulate petals; bractlets exceeding the 

 sepals, sometimes 3-toothecl at the broad apex. — (Horkelia californica C. 

 ft S.) 



Wooded slopes of the San Francisco Peninsula and the Oakland Hills. Var. 

 CABMELIANA Jepson. Stems slender, 1% to 2% ft. high, leafy; leaflets 9 to 17, 

 thin, ovate, incised-serrate, mostly about i/o in. long; calyx-tube becoming 

 purplish in age. — Carmel Eiver. 



6. P. elata Greene. Stems erect, \y. 2 to 2 ft. high; herbage glandular, 

 pilose-pubescent; radical leaves 6 to 12 in. long, the leaflets 15 to 19, thin, 

 cuneate-obovate, % in. long or less, once or twice incisely cleft; flowers solitary 

 or in 3s; bractlets of the calyx equaling the segments, lanceolate; petals spatu- 

 late, white; stamens 10, 5 short and with filiform filaments, the other 5 with 

 filaments deltoid-dilated at base. 



Middle Xorth Coast Eanges from Howell Mt. and Calistoga northward to 

 Elk Mt., Lake Co. July. 



7. P. kelloggii Greene. Stems stout, ascending or reclining, 1 to 2 ft. 

 long; herbage glandless, white-silky with short dense hairs; radical leaves 4 

 to 10 in. long, the leaflets obovate, coarsely toothed, y> to 1 in. long; calyx- 

 tube cup-shaped, its lobes lanceolate, equaled by the oblong entire bractlets; 

 petals white, spatulate-oblong, 3 lines long. — (Horkelia californica C. & S. var. 

 sericea Gray.) 



San Francisco Bay region to Monterey Co. 



8. P. tenuiloba (Gray) Greene. Stems about 1 ft. high; radical leaves 4 to 

 6 in. long, mostly villous with grayish hairs; leaflets 8 to 15 pairs, 2 or 3 lines 

 long, cuneate-obovate, deeply 4 to 8-cleft into linear lobes, the segments rather 

 less than % line wide; upper leaves with fewer leaflets, these narrow and few- 

 lobed or linear and entire; flowers in close cymes; calyx 2 lines long, with linear 



