ROSE FAMILY 199 



Locs. — Pt. Eeyes, Marin Co., Davy 6710a; Oakland, Holder 2582; Alameda, Greene; Lake 

 Merced, San Francisco, K. Brandegee ; Pacific Grove, Tidestrom ; Carmel Mission, Jepson 106p 

 (less pubescent, more glandular, varying toward P. lindleyi). 



Var. marinensis Jepson. Plants 4 to 12 inches high; herbage more coarsely and densely 

 shaggy-villous ; leaves mostly basal, l^/i to 2^/^ inches long, usually very short-petioled; leaflets 

 cuneate or cuneate-obovate, mostly palmately 3 to 7-toothed; inflorescence capitately congested. 

 — Sand flats or sand dunes along the coast from Mendocino Co. to Marin Co. June- Aug. 



Locs. — Ft. Bragg, 0. H. Seaholm; Pt. Eeyes, Jepson 8317, Davy 6710b (foliage and in- 

 florescence less congested, intermediate toward the species). 



Eefs. — PoTENTiLLA KELLOGGii Greene, Pitt. 1:101 (1887); Jepson, Fl. W. Mid. Cal. 283 

 (1901)-, ed. 2, 209 (1911), Man. 496 (1925). BorTcelia californica var. sericea Gray, Proc. Am. 

 Acad. 6:529 (1865), type loc. Oakland, probably Holder 2582. P. californica var. sericea K. Bdg. 

 Zoe 2:349 (1892). BorTcelia Tcelloggii Greene, Bull. Cal. Acad. 2:416 (1887). H. sericea Eydb. 

 Bull. Torr. Club 25:56 (1898) ; Mem. Dept. Bot. Columbia Univ. 2:128, pi. 60 (1898) ; not P. 

 sericea L. (1753). Var. marinensis Jepson, Man. 496 (1925). HorTcelia Tjolanderi var. marinen- 

 sis Elmer, Bot. Gaz. 41:321 (1906), type loc. Pt. Eeyes, Marin Co., Elmer 5039 (vidi typ.). H. 

 bolanderi Gray; Eydb. N. Am. Fl, 22:274 (1908) in part. 



40. p. bolanderi Greene. Border Honey-dew. Stems spreading or ascend- 

 ing, very sparingly leafy, 2 to 12 inches high, the decumbent bases and basal leaves 

 forming a rough but dense mat; stems thinly hirsute-puberulent and the leaves 

 white with a densely hirsute-tomentulose covering ; leaves pinnate, the blades 1 to 

 2 inches long; petioles i/4 to % inch long; leaflets (11 or) 15 to 27, cuneate-obovate, 



2 to 4 lines long, toothed or cleft at apex, the teeth acute; cyme open or dense; 

 flowers 3 to 4% lines wide; calyx-tube campanulate, 1 to 1^2 lines wide (1% lines 

 in fruit), ^ line high; petals oblanceolate to oblong-spatulate, rounded and emar- 

 ginate, or acute, 2 to 2^/2 lines long; stamens 10; filaments lanceolate-dilated, those 

 opposite petals slightly shorter and narrower; pistils 14 to 16; achenes many, 

 minutely embossed. 



Borders of pine forests, 2000 to 3000 feet : mountains of Lake Co. July. 



Locs. — Cobb Mt., Crum 1397; Boggs Lake, K. Brandegee ; Mt. Hanna, Jepson 116p; Mt. 

 Konocti, Jepson 115p. 



Var. rydbergii Jepson comb. n. Pubescence more dense, the hairs longer, coarser ; leaves 

 usually densely congested, the blades 1^/4 to 2% inches long; petioles % to Vo inch long; calyx- 

 tube 114 to 21/0 lines wide, % line high; pistils 35 to 39.— Dry gravelly flats, 5300 to 6500 feet, 

 Mt. Pinos region: Cuddy Valley, Hall 6353 ; Frazier Mt., Hall 6610. June-July. 



Var. bernardina Jepson. Plants robust and open in habit, usually 1 to 1% feet high (in 

 reduced forms 4 to 8 inches high) ; herbage usually less pubescent, more glandular; leaf -blades 



3 to 8 inches long ; petioles ^^ to 3 inches long ; leaflets 15 to 19, usually more broadly cuneate, 

 5 to 7-toothed or-incised at apex, 2 to 7 lines long; calyx-tube often 2y2 lines wide ; petals obovate- 

 oblong, cuneate at base; pistils about 30. — Meadow or spring borders, often shaded by pines, 4000 

 to 9000 feet: San Gabriel and San Bernardino mountains. June-Aug. 



Locs.— San Gabriel Mts. : Pine Flats, Peirson 2448 ; Big Pines, Peirson 4026. Sau Bernar- 

 dino Mts.: Glen Martin, E. J. Smith; Seeley Flat, Parish 2368; High Creek, Peirson 3976; Bear 

 Lake, J. T. Howell 2724; South Fork Santa Ana Eiver, Peirson 3286. 



Var. clevelandii Jepson. Similar to var. bernardina ; plants usually robust, 1 to 2 feet high ; 

 herbage sparsely pubescent to silky, often glandular ; leaflets suborbicular or cuneate-f anshaped, 

 typically broader than long, 5 to 9-toothed or -incised, the segments rounded at apex ; filaments 

 triangular-lanceolate; pistils 15 to 25; styles glandular-dilated at base; achenes smooth or 

 obscurely striate. — Grassy slopes or by springs, 4200 to 7500 feet: San Jacinto Mts. to the 

 Cuyamaca Mts. South to Lower California. May- Aug. 



Locs. — San Jacinto Mts.: Strawberry Valley, J. T. Howell 2913 (intermediate toward var, 

 bernardina) ; Tahquitz Valley, Jepson 2296. San Diego Co.: Palomar Mt., Jepson 1498; Cuya- 

 maca Lake, Ahrams 3922; Noble Mine, Chandler 5490; Laguna, e. San Diego Co., Cleveland. 



Eefs.— POTENTILLA BOLANDERI Greene, Pitt. 1:103 (1887); Jepson, Fl. W. Mid. Cal. 283 

 (1901), ed. 2, 210 (1911), Man. 495 (1925). HorTcelia iolanderi Gray, Proc. Am. Acad. 7:338 

 (1868), type loc. Clear Lake, Bolander 2655 ; Eydb. Mem. Dept. Bot. Columbia Univ. 2 :130, pi. 63 

 (1898). Var. rydbergii Jepson. H. rydbergii Ebner, Bot. Gaz. 39:50 (1905), type loc. Griffin, 

 Ventura Co., ^?mer 3971. Var. bernardina Jepson, Man. 495 (1925). HorTcelia bolanderi var. 

 parryi Wats.; B. & W. Bot. Cal. 1:182 (1876), type loc. San Bernardino Mts., Parry. H. parryi 

 Eydb. Mem. Dept. Bot. Columbia Univ. 2:129, pi. 62 (1898) ; not H. parryi Greene (1887). H. 

 bernardina Eydb. N. Am. Fl. 22:273 (1908). P. bolanderi var. parryi M. & J. Bull. S. CaL 



