CEUCIFER^. 2(55 



ft. hiyli, simple: lower leaves coarsely and irregularly more or less 

 lyrately pinnatifid, the segments few, oblong; upper lanceolate, entire, 

 with slender petiole: calyx 3- -4 lines long: petals half longer, their 

 claws and the stipe of the ovary somewhat pubescent: pod 2 in. long, 1 

 line wide, curved attenuate to a slender stipe 3 2 — 'H ^^- loii&i exceeding 

 the slender pedicels. — From the valley of the Arkansas westward, reaching 

 our borders in Kern Co., Heeruiann, and extending even into Santa 

 Barbara Co., Torrey. 



14. CjVRWAMI\E, Dioscorides. Annuals or perennials of woods or 

 moist places; rootstock often tuberous. Stems mostly simple, often 

 very sparingly leafy. Flowers white or purplish, in short racemes. 

 Sepals equal. Petals unguiculate. Silique, elongated, linear, compressed, 

 beaked or pointed, the valves plane, almost nerveless, more or less 

 elastically dehiscent. Seeds compressed, not margined. 



* WilhoKf Jleshy or tuberous rootstocks; leaves all pinnale. 



1. C. oligosperma, Nutt.; T. & G. Fl. i. 85 (1838). Annual, erect, 

 slender, % — 1 f*- high, nearly or quite glabrous: leaflets small, in 3 — 5 

 pairs, roundish, I — 6 lines long, often obtusely 3 — 5-lobed, petiolulate: 

 petals white, 1 — \% lines long, twice the length of the calyx: pods few, 

 3/2 — % in. long, 1.^ line wide, short-beaked, not becoming dry, the mature 

 valves, while yet green-herbaceous, separating elastically and falling in a 

 close coil; cells about 8-seeded. — Common on shady banks along streams 

 and in open groves. Mar., Apr. 



2. C. Gambelii, Wats. Proc. Am. Acad. xi. 147 (1876). Perennial, 

 glabrous or sparsely hirsute, erect and stoutish, 1 — 2 ft. high: leaflets 

 4 — 6 pairs, ovate-oblong to linear, sessile, entire or sparingly toothed, 

 acute, % — 1 in. long: fl. white, on slender pedicels: petals 4 lines long, 

 twice the length of the sepals: pods narrowly linear, ascending, 1 in. 

 long, equalling the reflexed pedicel; beak 1 line long, slender. — Common 

 in marshy ground near the sea at Santa Barbara, etc. 



3. C. Breweri, Wats. Proc. Am. Acad. x. 339 (1875). Stems from a 

 running rootstock, erect from a decumbent base, % — 1% ft. high, glab- 

 rous, or slightly pubescent at base: leaflets 1 — 2 pairs, rounded or oblong, 

 the terminal much the largest, ^2 — 1 ^^- long, entire or coarsely sinuate- 

 toothed or lobed, obtuse, often cordate at base, the very lowest often 

 simple and cordate-reniform: petals white, 2 lines long: pods 8 — 15 lines, 

 obtuse or scarcely beaked with a short style, ascending on pedicels of 

 3-4 lines. — Margins of pools and streams in the higher Sierra from 

 Sonora Pass northward; also in Humboldt Co., Marshall. 



* * Stems from elongated or rounded and tuberous perennial rootstocks; 

 the radical leaves often simple and those of the stem few. 



