26 CRUCIFEBS!. 



4. T. radians, Benth. Glabrous, 1 ft. high: lower leaves runcinate- 

 pinnatifid; cauline ovate-lanceolate, aurieulate-clasping: siliole roun>*- 

 obouate, almost plane, 4—5 lines wide, tomentose, the rays narrowly 

 linear, ending abruptly near the edge of the broad diaphanous margin. 

 — Sonoma Co. to Solano. 



18. CORONOPUS, Ruellius. Diffuse prostrate heavy-scented annuals, 

 with pinnatifid leaves, and the general aspect of some species of Lepidium. 

 Flowers minute, greenish. Stamens often 2 only. Pods small, short, 

 didymous, 2-celled; cells indehiscent, subglobose, when ripe separating 

 from the persistent linear axis, strongly rugose, 1-seeded. 



1. O. didtmtjs (L.1 Smith. Stems diffuse, %—!% ft. long; the heavy- 

 scented somewhat aromatic herbage more or less hirsute; leaves with 

 small narrow segments: pod a line broad or more, emarginate at base 

 and at summit, strongly reticulate. — Plentiful on bluffs overhanging the 

 sea at Point Lobos; occasional at Berkeley, etc. 



2. 0. KiteiiLii, Geertn. Pods cristate-muricate, not emarginate at 

 summit, but tipped with a stout style. — San Francisco. 



19. RAPHANUS, Pliny (Badish). Coarse annuals, with large some- 

 what fleshy lyrate lower leaves, and loose racemes of purple or yellowish 

 large flowers. Sepals erect, the two outer gibbous at base. Petals entire 

 or emarginate, unguiculate. Pod indehiscent, elongated, somewhat 

 moniliform or at least constricted between the seeds, long-beaked. 

 Cotyledons enfolding the radicle. 



1. B. sativus, L. More or less hispid with scattered stiff hairs : fl. 

 8 — 10 lines long: petals purplish, with veinlets of darker color, rarely 

 white or yellowish: pod thick, fleshy when young, spongy in maturity, 

 1 — 2}^ in. long, 2 — 5-seeded. — One of the prevalent and troublesome 

 weeds in Californian fields everywhere. 



2. B. Baphanistrtjm, L. Petals yellow: pods moniliform, long- 

 beaked, breaking transversely into 1-seeded joints. — San Francisco. 



20. CAKILE, Serapio (Sea Bocket). Glabrous very succulent sea- 

 side annuals, with simple leaves and short racemes of smallish purple 

 flowers. Sepals suberect, the two outer gibbous at base. Petals entire, 

 unguiculate. Pod of 2 unequal joints, each 1-seeded, the upper and 

 larger joint deciduous from the other. Seed in the upper cell erect; in 

 the lower pendulous; cotyledons usually accumbent. 



1. C. edentnla (Bigel.), Hook. A foot high or more, the stout stem 

 and few ascending branches somewhat flexuous: leaves obovate, sinu- 

 ately toothed: lower joint of silicle oblong, 3—4 lines long; upper twice 

 as large, ovate, compressed and emarginate at apex. — Common along 

 sandy beaches. 



