32 CRUCIFERAE 



3:225 (1897), type loc. Mariposa Co., Conffdoit. S. foliosits Greene, I.e. 22G, type loc. "mts. of 

 Fresno Co."; the "fragments" were probably collected near Peckinpali Mill (now Madera Co.) 

 by Mrs. L. A. 1i. Pcckinpah. Pleiocardia fcn'csirain Greene, Lflts. 1:86 (1904), type loc. Tehipite 

 Valley. Hall if- Chandler 492; the specimens represent plants of apparently stunted growth. 



38. S. heterophyllus Nutt. Annual; stem usually simple, 11/4 to 5 feet high; 

 herba{T:e hirsute on the lower half of the plant or only on the basal parts; leaves 

 IVi: to 3V2 inches lon^, the blades oblong or linear to lanceolate, dentate with trian- 

 gular or s^ubulate teeth, or pinnately and shallowly lobed, the lobes linear to oblong, 

 usually remote and often salient; uppermost leaves sometimes entire, all sagittate- 

 clasping except the basal; flowers 2^2 to 31/2 lines long; calyx greenish to dark- 

 purple; petals linear, white, dark purple-veined; pedicels 2 to 4 lines long; pods 

 and pedicels abruptly reflexed, the pods straight, 2 to 3\i inches long, somewhat 

 4-angled; style 1/2 line long; seeds narrowly winged. 



Foothills and canons, 200 to 3500 feet : coastal Southern California from Santa 

 Barbara Co. to San Diego Co. Mar.-Apr. 



Locs. — Big Tujunga Canon, Peirson 63a; Rubio Canon foothills, Pcirson 63; San Bernar- 

 dino, Parish; Escondido, C. V. Meyer 7; Ramona, Jepson 8519; San Diego, T. Brandegee. 



Refs. — Stkeptanthus heterophyllus Nutt; T. & G. Fl. 1:77 (1838), type loc. San Diego, 

 Nuttall; Jepson, Man. 417 (1925). Caidanthus heterophyllus Payson, Ann. Mo. Bot. Card. 9:298 

 (1922). 



19. S. polygaloides Gray. Annual; stem slender, simple or branched, 1 to 3 

 feet high; leaves filiform, entire, some sagittate-clasping; flowers very shortly pedi- 

 celed, yellowish or purple, 3 lines long; calyx very broad; lower sepal suborbicular, 

 abruptly acute; upper sepal suborbicular, refuse, mucronate, larger than the lower 

 sepal, very broad, resembling the banner in a papilionaceous flower; lateral sepals 

 lanceolate or elliptic, acute or acuminate; petals with expanded claw and nar- 

 row^ed limb, the lower 3 spreading, the upper one erect; stamens in 3 unequal pairs; 

 upper pair of filaments connate to the summit, exserted, bearing small but pollini- 

 ferous anthers; pods 1 to II/2 inches long, I/2 line wide, at length reflexed; seeds 

 oblong. 



Open slopes, dry soil, 900 to 3000 feet : Sierra Nevada foothills, from Sierra 

 Co. to Mariposa Co. May-June. 



Locs. — Downieville, Sierra Co., Adeline Frederick; Alleghany, Nevada Co., L. S. Smith; 

 Harmon Peak, Calaveras Co. (fls. yellow), Davy 1434; Priest Hill, Tuolumne Co., Blasdale ; 

 Bagby, Mariposa Co.; Mt. Bullion, Bolander 4848. 



Refs. — Stkeptanthus polygai^oides Gray, Proc. Am. Acad. 6:519 (1865), type loc. along 

 the Tuolumne River, Brewer; Jepson, Man. 419 (1925). Microsemia polygaioides Greene, Lflts. 

 1:89 (1904). 



20. S. breweri Gray. Annual; stem widely branching from near the base, 

 % to 2 feet high; herbage glabrous, also glaucous, especially on the lower side of 

 the leaves; leaf -blades broadly ovate and acute to narrowly lanceolate, denticulate 

 or entire, sessile, 1 to 2I/2 inches long, the blades of the lowest leaves broadly spatu- 

 late to cordate-orbicular, with a short winged petiole; flowers 3 to 5 lines long, 

 erect, short-pediceled; sepals acuminate, the tips slightly spreading; upper petals 

 white or delicately veined with purple, the lower dark purple-veined or dark purple 

 tipped with white; upper pair of filaments connate to apex, very dark purple, 

 conspicuous; pods ascending, slightly to markedly curved, obscurely torulose, iy2 

 to 2^ inches long, % line wide; stigma sessile or nearly so; seeds small, orbicular, 

 not winged. 



Dry brushy slopes, 1500 to 4000 feet : inner Coast Range from Glenn Co. to 

 San Benito Co. June-July. 



Locs. — Between Mud Flat and Bennett Spr., Glenn Co., Heller 11,549 ; Snow Mt., Lake Co., 

 T. Brandegee; Mt. Hepsedam (Syn. Fl. 1^:472). 



