210 ROSACEAE 



Santa Rosa, Chesnut; West Berkeley, Davy 402 (R. pilifera Rydb.) ; Niles, Euth Shinn; Black 

 Mt., Santa Clara Co., Elmer 4284 : Saratoga, Santa Clara Co., Davy 316b (R. aldersonii Greene) ; 

 Pa.iaro Hills, n. Monterey Co., Chandler 459; San Luis Obispo, Summers 256. Great Valley: 

 Stillwater, Shasta Co., M. S. Baker; Princeton, Colusa Co., Chandler; Grand Isl., lower Sacra- 

 mento River, Jcpsoji 13,884 ; San Joaquin River, bctw. Stockton and Tracy, Tide.sirom. Sierra 

 Nevada: Clover Creek Falls, Shasta Co., M. S. Baker; San Andreas, Davy 1636; Columbia, 

 Tuolumne Co., Jepson 6348 (R. aldersonii Greene) ; Hetch-Hetchy, Jcpson 3440 (R. pilifera 

 Rydb.) ; Dorst Creek, Tulare Co., W. Fry (R. pilifera Rydb.) ; Middle Tule River, Purpus 5682. 

 S. Cal.: Santa Monica Canon, Barber 55; San Antonio Creek, San Gabriel Mts., Peirson 84 (R. 

 myriantha Carr.) ; Waterman Canon, San Bernardino Mts., Parish; Santa Rosa Mts., Mum 5901; 

 Mesa Grande, San Diego Co., E. Ferguson 47 ; Laguna Mts., San Diego Co., T. Brandegee ; Witch 

 Creek, San Diego Co., Alderson; Pacific Beach, San Diego Co., M. S. Snyder (R. brachycarpa 

 Rydb.) ; San Diego, M. F. Spencer 140. 



Kefs. — Rosa californica C. & S. Linnaea 2:35 (1827), type loc. San Francisco, Chamisso; 

 Jepson, Fl. W. Mid. Cal. 278 (1901), ed. 2, 206 (1911), Man. 498, fig. 494 (1925). R. calif ornica 

 var. chamissoniana C. Mey. Zimmtr. 18 (1847). R. californica var. pubescens Crepin, Bull. Soc. 

 Bot. Belg. 15:52 (1876), as synonym. The six following synonyms refer to the more glandular 

 forms or phases: R. californica var. petersiana C. Mey. Zimmtr. 19 (1847). R. californica var, 

 glandulosa Crepin, I.e. R. aschersoniana Crepin, I.e., as synonym. R. aldersonii Greene, Pitt. 

 5:110 (1903), type loc. Witch Creek, San Diego Co., Alderson. R. Ireweri Greene, Lflts. 2:262 

 (1912), type loc. San Jose, Brewer 828. R. greenei Rydb. Bull. Torr. Club 44:71 (1917), type 

 loc. Santa Cruz Isl., Greene. R. brachycarpa Rydb. I.e., type loc. Temescal Canon near Elsinore, 

 Riverside Co., McClatchie. All of the preceding forms have curved prickles. The following 

 forms have straight prickles and are less glandular except the last. R. myriantha Carr. Rev. 

 Hort. 448 (1865), t}'pe cultivated, seeds from Cal. (prickles stout, calyx-tube depressed-globose). 

 R. davyi Rydb. Bull. Torr. Club 44:76 (1917), type loc. Saratoga, Santa Clara Co., Davy 263 

 (prickles numerous, 5 lines long, leaves more pubescent). R. pilifera Rydb. I.e. 80, type loc. 

 San Francisco, Bolander (prickles slender, calyx-tube pilose when young). R. johnstonii Rydb. 

 N. Am. Fl. 22:521 (1918), type loc. Upland, San Bernardino Valley, Johnston 2050 (prickles 

 few and weak, leaves pubescent, non-glandular). R. santa-crucis Rydb. Bull. Torr. Club 44:73 

 (1917), type loc. Santa Cruz Isl., Greene (prickles stout, leaves very glandular). 



3. R. woodsii Lindl. var. ultramontana Jepson comb. n. Desert Rose. Stems 

 3 to 5 feet high; prickles slender, usually terete, straight or rarely recurved, or 

 plants sometimes nearly unarmed; lower stipules narrow, upper dilated, the free 

 portion ovate to lanceolate, often slightly glandular-pruinose, not glandular-den- 

 ticulate or rarely; leaves glabrous above, puberulent and sometimes a little glandu- 

 lar beneath; flowers usually several in a corymbose cluster; pedicels glabrous; 

 calyx-lobes lanceolate, 4 to 5 lines long, tomentose within and on the margins, non- 

 glandular; petals about 7 to 9 lines long; hips globose or ovoid, 4 to 5 lines long. 



Valley flats, canon bottoms or montane meadows in ranges bordering or in the 

 deserts, 3500 to 6500 feet : mountain slopes facing the western Mohave Desert ; 

 Inyo Co. ranges; east side or easterly high valleys of the Sierra Nevada from Kern 

 Co. to Modoc Co. North to eastern Oregon. June-July. 



Locs. — Rock Creek Canon, San Gabriel Mts., Los Angeles Co., Peirson 470; Wild Rose 

 Canon, Panamint Range, Jepson 7128 ; Bishop Creek, Inyo Co., ShocUey 376 ; Mono Ranger Mdw., 

 Mono Creek, e. Fresno Co., Jepson 13,221 ; Sonora Pass, Jepson 6580 ; Convict Creek, Mono Co., 

 Almeda Nordyke; Indian River, Taylorsville, Plumas Co., Jepson 8018; Boni ranch, Long Valley, 

 Lassen Co., Jepson 7782; Honey Lake Valley, Jepson 7801; Eagle Lake, Lassen Co., Brown 4- 

 Wieslander; Surprise Valley, Modoc Co., Jepson 7847. Nevada : Glendale, Washoe Co., Kennedy. 



Var. mohavensis Jepson comb. n. Mohave Rose. Stems slender ; herbage nearly glabrous 

 and non-glandular ; prickles scattered, slender, mostly straight ; leaves more or less shining above ; 

 flowers solitary or in corymbs of 2 or 3 ; petals 7 lines long ; hips globose. — Arid or desert slopes, 

 4000 to 6200 feet: San Bernardino and San Gabriel mountains; Inyo Co. 



Locs. — Swartout Canon, San Antonio Mts.; Box S Spr., Chandler; Nelson Range, Hall 4- 

 Chandler 7127. 



Refs. — Rosa wooDsn Lindl. Ros. Monog. 21 (1820), type loc. "near the Missouri River." 

 Var. ulteamontana Jepson. R. californica \iit. ultramontana Wats. Bot. Cal. 1:187 (1876), tj'pe 

 loc. "eastern side of the Sierra Nevada" ; Jepson, Man. 499 (1925). R. ultramontana Hel. Muhl. 

 1:107 (1904). R. hlanda Wats. Bot. King 91 (1871), in part; not R. blanda Ait. (1789). R. 

 macounii Greene, Pitt. 4:10 (1899), type loc. Assiniboia, J. Macoun (prickles stoutish, deflexed, 

 plant nearly glabrous and non-glandular, leaflets obovate, usually cuneate at base, pale beneath, 

 fruits depressed-globose) . B. puberulenta Rydb. Fl. Rocky Mts. 443 (1917) , type loc. Montezuma 



