GERANIUM FAMILY 407 



1. E. texanum Gray. Steins caespitose, several from the base, leafy, I14 to 



11 inches long ; herbage canescently appressed-pubescent, without glandular hairs ; 

 leaf -blades round-ovate to oblong-ovate, cordate to subcordate at base, subpalmately 

 lobed or divided, dentate, 4 to 11 lines long ; flowers in clusters of about 3 ; sepals 

 oblong, abruptly mucronate, silver}^ with appressed pubescence, purple-veined; 

 petals purple, 7 to 9 lines long on the earliest flowers, on the late ones greatly re- 

 duced or suppressed; carpels rather sparsely hairy, the beak scabrous, appressed- 

 pubescent. 



Sandy soil, -200 to 2500 feet : Colorado and Mohave deserts ; San Carlos Range. 

 East to Texas. Apr.-May. 



Locs. — San Felipe Narrows, e. San Diego Co., C. V. Meyer 38 ; Mecca, Parish 8477 ; Calico 

 Wash, Barstow, Jepson 5817; Alcalde (Zoe 4:150). 



Eefs. — Erodium texanum Gray, Gen. 111. 2:130, pi. 151 (1849), type loc. "Texas", Lind- 

 heimer, Wright; Jepson, Man. 591 (1925). 



2. E. macrophyllum H. & A. Peduncles and leaves basal or sub-basal, 3 to 



12 inches high ; lierbage puberulent ; leaf-blades reniform-cordate, crenate and 

 often shallowly lobed, 1 to 2 inches broad ; umbels mostly 2 or 3-flowered ; petals 

 white, 5 to 8 lines long, little exceeding the broad sepals ; filaments conspicuously 

 orbicular-dilated at base ; mature carpels densely silky-hairy, truncate at top, 4 

 lines long. 



Open fields or hillslopes, 50 to 3500 feet : Great Valley (w. side) ; South Coast 

 Ranges ; coastal Southern California. Apr. An extremely rare plant, both as to 

 stations and individuals. 



Locs. — ^Willows, Glenn Co., Jepson 13,561 ; Montezuma Hills, se. Solano Co., Jepson 13,562 ; 

 near Kirker Pass, Contra Costa Co., Brewer 1067; Orestimba Canon, w. Stanislaus Co., Brewer 

 1280; Monterey Co., Plaskett; Tehacliapi, Heller 7831; Elizabeth Lake, Los Angeles Co., Parish 

 1906 ; Alice Mine, Eiverside Co., Hall 523. 



Var. calif ornicum Jepson. Taller, branching, 12 to 16 inches high ; herbage puberulent and 

 also beset with gland-tipped hairs ; leaves 2 to 3i/^ inches broad ; umbels frequently 5 or 6-flowered; 

 petals deep rose-red or purple. — Alameda Co. to Los Angeles Co. 



Locs. — Oakland Hills, Blasdale; Santa Cruz Isl., T. Brandegee ; Santa Monica Mts., Sail 

 3264. 



Eefs. — Erodium macrophyllum H. & A. Bot. Beech. 827 (1840), type from Cal. ; Jepson, 

 Fl. W. Mid. Cal. 247 (1901), ed. 2, 242 (1911), Man. 591 (1925). Var. californicum Jepson, 

 Jl.cc. E. californicum Greene, Fl. Fr. 99 (1891), type loc, "Berkeley Hills and eastward in the 

 Mt. Diablo Eange"; Brandegee, K., Zoe 4:86 (1893). 



3. E. botrys Bertol. Stems leafy, branching from the base, commonly pros- 

 trate, but sometimes erect, l^ to 2l^ feet long ; herbage coarselj' white-pubescent ; 

 leaf-blades 1 to 4 inches long, on petioles as long or twice as long, oblong-ovate, 

 pinnatifid, the lobes serrate, acute ; sepals short-pointed and tipped with 1 or 2 

 short bristles ; petals deep violet or rose-color, 3I/2 to 4^/2 lines long ; glands green- 

 ish ; filaments dilated nearly to apex and toothed ; beak of fruit 21/4 to 5 inches long. 



Mediterranean plant, widely naturalized on low pastured hills and rolling 

 gravelly plains almost throughout California at low altitudes. Apr.-May. 



Biol. note. — The leaves of the seedling or young plant are commonly elliptic or oblong and 

 merely serrate, or sometimes with 1 or few clefts, 4 to 11 lines long. In unfavorable situations 

 or in dry seasons plants may produce only this type of leaf, though coming finally into reproduc- 

 tive maturity (Gilroy, E. Ferguson 300; Eock Spr., Mt. Tamalpais, Jepson 7563). 



Locs. — Marysville Buttes, Jepson 13,555; White Thorn Valley, Humboldt Co., Tracy 5026; 

 Mills sta., n. Sacramento Co., Jepson 15,736; Vacaville, Jepson 13,554; St. Helena, Jepson 6268, 

 9884; Eoss Valley, Marin Co., Jepson 13,553; Eock Spr., Mt. Tamalpais, Jepson 7563; Gwin 

 Mine, Calaveras Co., Jepson; Clements, San Joaquin Co., Jepson 15,202; Brentwood, Linda 

 Gehringer; Eedwood Peak, Oakland Hills, Jepson; San Francisco, Jepson 13,556; Gilroy, E. 

 Ferguson 300 ; Hodgdon Eanch near Tuolumne Grove, Jepson 10,542a ; La Grange, e. Stanislaus 

 Co., Jepson; Sparkville, near Aubrey, Fresno Co., Jepson 15,142; Selma, Fresno Co., Kate Stir- 

 ring; Palomar, San Diego Co., Jepson 12,439. 



