Senebiera. CRUCIFER^. 129 



Var. insigne, Greene. " Stoutish and mostly simple, 4-8 inches high ; the mostly 

 solitary fruiting raceme shorter and denser: pods twice as large [as 1^ lines in diameter], 

 rouud-obovoid." — Fl. Francis. 274, & Man. Bay-Reg. 24. — Mt. Diablo Range, Central Calif., 

 ace. to Greene. 



* # Apex of the capsule produced into two distinct teeth or lobes : western annuals. 



L. latipes, Hook. Pubescent or somewhat hirsute, branched from the base ; branches 

 short, stout, procumbent : leaves long, narrow, linear, entire or coarsely pinnatifid with a 

 few linear segments : racemes dense; pedicels strongly compressed, ascending or nearly 

 erect : petals obovate, rounded at the apex, 1^ lines long, much exceeding the short sepals : 

 pods ovate, conspicuously reticulated, puberuleut, or coarsely pubescent, ending in two 

 approximate ovate-lanceolate acutish teeth ; the latter being a line or more in length ; sinus 

 very narrow. — Ic. t. 41; Torr. & Gray, Fl. i. 116; Brew. & Wats. Bot. Calif, i. 45. — 

 Flats and salt marshes, but also in hard clayey soil, California, near the coast from Martinez 

 southward. 



L. dictyotum, Gray. Decumbent, spreading, much branched from the base : leaves 

 linear, tapering at both ends, 10 to 22 lines long, a line or less in width, usually entire, 

 more rarely with one or two narrow teeth near the middle : pedicels strongly flattened : 

 sepals scarious-margined, not persisting: petals usually none, when present narrow, white: 

 capsules ovate, strongly reticulated, pubescent at least when young, 1^ lines broad; teeth 

 short, obtuse ; sinus narrow. — Proc. Am. Acad. vii. 329 ; Wats. Bot. King. Exp. 30, t. 4, f. 

 1, 2; Greene, Fl. Francis. 273, & Man. Bay-Reg. 23. — Damp and especially alkaline soil, 

 Washington, Duck Lake, Suksdorf, Walla Walla, Brandegee, southward to San Diego Co., 

 Calif., Jones, Cleveland ; also Nevada, Anderson, Wafso7i ; fl. February to June. 



Var. acutidens, Gray. Racemes more elongated, loose : pedicels widely spreading 

 or deflexed : teeth of the capsule longer, acute or acutish, more or less spreading ; sinus 

 triangular. — Proc. Am. Acad. xii. 54. — Alkaline soil, Yreka, Calif., Greene; Oregon, 

 Howell Bros. ; San Diego, Calif., Jones. The southern specimens collected by Prof. Jones 

 show a transition to the type. 



L. Strictum, Rattan. Finely pubescent, branched, nearly erect or more or less spreading • 

 leaves pinnatifid; segments narrow, toothed, obtuse or acutish: racemes mostly rather 

 dense; pedicels short, erect or ascending, exceeded by the capsules: the latter broadly 

 ovate, glabrous, inconspicuously reticulated, I to U lines in breadth; teeth short, acutish; 

 sinus triangular : petals none : calyx often persisting to mature fruit. — Anal. Key, 25. 

 L. oxi/carpum, var. (?) strictum, Wats. Bot. Calif, i. 46, & Bibl. Index, 65. L. Oreqanum, 

 Greene, Fl. Francis. 274, in part. — Preferring alkaline soil, Centr. and N. California; fl. 

 March to June. 



Var. Oreganum, Roiunson, n. var. Segments of the leaves attenuate: capsule 

 larger, If lines broad : calyx promptly deciduous. — L. Oreganum, Howell, Pacif. Coast PL, 

 coll. of 1887 ; Greene, 1. c. in part. — Rogue River Valley, Oregon, Howell: 



Li. OXycarpum, Torr. & Gray. Slender, branched from the base, nearly or quite smooth; 

 branches ascending, 4 to 6 inches long, loosely floriferous more than half their length ; 

 leaves narrow, linear, acute, subeutire or pinnatifid with a few narrow acute teeth : racemes 

 looser than in the preceding species; pedicels widely spreading or deflexed, more slender 

 than in the otlier members of the group, 1-J- lines long : flowers small, apetalous : sepals 

 very unequal, half line long : stamens 2 : capsule suborbicular, glabrate, finely reticulated, 

 1| lines broad, tipped with two very short widely divergent teeth. — Fl. i. 116; Hook. & 

 Arn. Bot. Beech. 323 ; Brew. & Wats. Bot. Calif, i. 46 ; Greene, 1. c. — Central Calif, to 

 Cadboro Bay, Vancouver, Macoun, preferring saline soil ; fl. March, April. 



14. SENEBIERA, DC. Wart Cress, Swine Cress. (Dedicated to 

 Jean Senebier, vegetable physiologist of Geneva, 1742-1809.) — Prostrate 

 spreading and slightly succulent weeds from the Old World, exhaling a charac- 

 teristic and disagreeable odor. — Mem. Soc. Hist. Nat. Paris, i. 140-146, t. 8, 9, 

 1799 (An 7), & Syst. ii. 521; Poir. Diet. vii. 75; Reichenb. Ic. Fl. Germ, 

 ii. t. 9. Coronopus, Ga^rtn. Fruct. ii. 293. [By B. L. Robinson.] 



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