121 122 



1." sessile: pet bright y: pods orbi i;lar, Greene, Ervthea 3'36 



1 li broad or more, shortly -.vin^l w,th Hall, C 82." Pepper grass. 



broad divergent acutish teeth, on Pt Loma, SD (Or 1039). 



spreading or deflexed pedicels 2-4 li Lepiliu'm intermedium Grav, Bbt Cal 



long-: style nearly as long as the pod. 1:47 rot A. Rich. 



LEPIDIUM PREMONTI Watson. LEPIDIUM XITIDUM Xuttall 



Davidson Erythea 2:179. LA Co. t or usually branched' from the 

 Watson, Bot King Exp 30 (1871). base and spreading, !-?> dm high, gla- 

 Type locality: "on the Mohave river," brate or somewhat pubescent; lower 

 Cal (Fremont). Ivs deeply pinnatifi 1 with nar: o ,v 

 Per wiih a somewhat woody base, rachis an 1 alternate seg; the upper Ivs 

 diffusely branched, glabrous and glauc- often entire; racemes 1-several, loosely 

 ous, 1-1 y z ft hi: Ivs linear, 1-3 i long, fl'l; pet consi lerabl : ing tne 

 entire or sparingly lobed: racemes sep; pedicels strongly flattened, sprea 1- 

 rather short and few fid, terminal and ing; capsule smooth, 'shining, often pur- 

 lateral: pods rounded, abruptly cuneate plisn. 4-5 mm long. 



at base, 2-4 li broad, slightly emargin- Abrams, Fl LA 1^8 Very common 



ate with short very obtuse teeth. on grassy plains an 1 hills. F-Mr. 



Xorthwestern Xev (Watson, Lem_ Brandegee, Z^e 1:113. Catalina Is. 



mon). So Ut (Parry). So Colo (Roth- Davidson, Erythea 2:179. LA Co. 



LEPIDIUM LASIOCARPUM Xutt Genus CHEIRAXTHUS Linnaeus. 



Low, branching from or near the CHEIRANTHUS AXGUSTATUS Greene, 



base, decumbent or ascending hirsute Per; rather stout, erect. 5 dm high or 



with spreading hairs or somewhat more; Ivs na.rro\vly linear-lanceolate; 



tomentulose: lower Ivs pinnately part- entire or few-toothel. few an! scattere 1 



ed, seg usually rather broad obtuse or above, densely clothing the basal part 



roundel, sparingly toothed or entire- of tne herbaceous st and short sterile 



racemes several; pedicels distinctly flat- benches of the short subligneous cau- 



tenei, horizontally spreading 3 mm dex < the whole pl^nt ubcin- 



long; capsule suborbicular, thin-mar- -ippresse 1 2-forkel hairs: cx-lpbes 10-1! 



gined near the apex, hispil pubescent mm l n ~: P et V- the lower pair parallel 



upon both faces or at least upon tne to Pach other, the upp^r divergent from 



margins. each other: pods in a long, lax, raceme, 



Abrams, Fl LA 168. Sand-dunes 4-si led. ascending. 



along the seashore. Abrams, Fl LA 179. Monica and 



Davidson, Erythea 2:179, LA Co. Santa Ana mts. 



Brandegee, Zoe 1:113. Cat. CH^TR \XTHl'S PUF^RUTESCEXS. 



Nuttall, in T & G Fl 1::115 (1838). "Pe~: of -< n rnu-h bran*-he1. the 



^ Type locality: "near St. Barbara, in branches v.-o^-'y, 1 m long o~ less, usu- 



Upper California." ally straggling am^ng low shrubs, 



Coville, CNH 4:66, 36, 242, 244, 245. rough from th- ne-sistent bps^s of the 



'7. 248, 250, 252, 253. "A common r-n lv5. usuilly about 5 mm thick; floral 



desert annual." l.r-aiches clustere 1 at the enls of the 



Variety TENUIPFS S. Watson. mnin branches, slen-ler. 3-4 dm long; 



LEPIDIUM LATIPES Hooker. Ivs sratterel along the floral branches. 



Hooker, Ic PI t 41; T & G Fl 1:116. densely clothing their b~es. v^ry na-- 



Hispid with short spreading hairs or rowly Hnear-oblanceolate, 2-3 mm 

 the Ivs glabrous: sts several, stout, v^-of, i. ^nt^e or -pmotely and obscure- 

 simple, 1-3 i long: Ivs exceeding the sts, ly denticulate, these as well as the 

 ir'ly and coarsely pinnatifid, the seg branches einemus with appressed 2- 

 linear and entire or lobed: racemes forke-i hairs: cx-^b^? 6-7 mm long; o^t 

 short and capitate, in fr 1 i long or y, cruciform; pods in rather short bxU 

 less; pedicels 1-2 li long; sep very un- fax -a^^es. on newels about 8 mm 

 equal: pet broadly spathulate, ciliate. loner, widely spreading, straight or 

 greenish, 1-2 li long, much exceeding slightly curve 1 upwards. 4-si' 1 e1. 1.5- 

 the sep: pod broadly oval, 2 li broad, i 75 m fn broa^. 5-^ cm long; beak skn_ 

 sparingly pubescent, strongly reticu- /i e r. scare-ply 1 mm b-oad and but littl* 

 lated, the broad acute wings nearly as longer: s^s brownish, about 1.5 mm 

 long as the pod. long. Common on the sanddunes along 



In saline soils near the coast, from thp sensho^. Flo^'erir^r nearlv the 



rinez, Cal. to Baja. SD (Or 20). vear "^iin-1 " ^ b^ams Fl LA 179. 



LEPIDIUM MEDIUM Greene. 



Glabrous or nearly so; sts simple be. ' Genus BRTSIMUM Linnaeus. 



low, branching above, erect, 2-9 cm ni: T n. somewhat hirsute at least 



Ivs lanceolate, dentate, rarely pin- br-]o^- irh simple hai^s: Ivs pinnatifid: 



natifid: st Ivs entire: pedicels slender, Infl sni^ifo^m ^vi^h sev^^al divaricately 



terete, spreading or divaricate, longer spreading branches: fls sm. y: siliques 



than the capsule; sta 2-4; capsule or- terete, tapering almost f^om the base 



bicular retuse, glabrous. to anex; stig slightly 2-lobed: sds in 1 



Abrams. Fl LA 167. Common in the row in each cell. 



valleys and mountains throughout our A monotvpic genus as above defined 



range. by Abrams. 



