125 126 



fleshy or corky, constricted or qontinu- racemes; bracts simp!^; pet y, 10-16 cm 

 ous and spongy between the sds. inde- lon^ twice longer than ihe ?"]>; :i;> 

 hiscent: sds globose: cotyledons con- oblong- 2.5-0.5 cm long, attenuate into 

 duplicate. tU3 stipe and abruptly tapering at the 



RAPHANUS RAPHANISTRUM L. apex. 



Wild Radish. Pet y, veined, becom- Abrams, Fl LA 181. 

 ing w or p: pods necklace-shaped, long- Nuttall, in T & G Fl 1:124 (1838). 

 beaked, 1-9-seeded, breaking easily be- Type locality: "St. Diego, Gal." 

 tween the sds. Naturalized in various Variety GLCBDSA Coville. 

 parts of the world as a troublesome Abrams, Fl LA 1S1. 



weed in cultivated fielis. Coville, Wash biol soc pr 7:73 (1892); 



RAPHAXUS SATIVUS L. CXH 4: <57, 258. 



Davidson, Erytnea 1:57. LA Co, "bids St not glaucous; pet ovate, sub-pal- 

 fair to become one of the most trouble- mately veined; capsule globose, trun- 

 some of weeds. cate or retuse, 2.5-3.5 cm long; si with 



Davidson, PI LA Co 2. a transverse groove between hilum anl 



Bienn or ann from a more or less bodv otherwise as the type form, 

 elongated fleshy rt: erect and freely Type in USNHb (No. 1107. Death Y-iI- 

 branching, 3-5 dm high, sparsely pub- ley Exp), collected 24 ^ 1891, on Cali- 

 escent with stiff hairs or nearly gla- ente creek, a few miles above Caliente, 

 brous above: lower Ivs deeply lyrate- Kern Co, Cal, by Frederick V. Coville. 

 plnnatifld: seg crenate or dentate: tts ,, TT^OTTT^ \ T 



12-18 mm broad, y or w, with p veins: Genus RESEDA Linnaeus, 

 pods 2-4 cm long, constricted between Erect or decumbent herbs wit 

 the sis when mature: sis 2-several; tire, lobed or pinnatifil Ivs and sm 

 beak conical, 1-2 cm long. spicate or narrowly racemose fls: Pet 



as, Fl LA 171. 4-7. toothed or cleft: Disk cup-shaped, 



CLEOME LUTEA Hooker. glandular: Sta 8-30, inserted on the in- 



Erect, glabrous, branching, 4-12 dm ner surface of the disk and on one si:.e 

 high; Ivs 5-foliate, slender-petioled or of the fl: capsule 3-6-iooei, horned at 

 the upper 3-foliate and subsessile; Ifts the top befr~ e maturity. Mignonette or 

 oblong or oblong-oblanceolate, entire, D\ er's weed. 



short-stalked or sessile, narrowed at HESADA ODORATA Linnaeus, 

 the base, obtuse or acute and mucronu- Common Mignonette: Sts decumbe 

 late at apex, 1-5 cm long bracts linear- or ascen ling, 4-7 i high; Ivs spatu 

 oblong mucronulate; fls densely race- oblong, entire; raceme broai anl rather 

 mose; pedicels slender, 10-12 mm long; op^n; fl? very fragrant, 2 li broad, 

 pod linear, acute, 3-6 cm long, borne on greenish w: anth large, brick r. A gar- 

 a stipe nearly as long. den escape. 



Abrams. Fl LA 181. "Field near RLSADA ALBA Linnaeus. 

 Downey (Davidson)." White Mignonette: Ivs pinnately or 



Mts. Baja Cal. (Or 124^); Nevada; Co'o. deeply pinnatifid, the seg linear or ob- 

 CLEOMELLA OBTUSIFOLOA Torre/. long; raceme dense, spike-like; fls near- 

 Branching from the base, S'-l 1 ^ ly or quite w, 2-3 lines broad. South- 

 high, finely pubescent or hairy: Ifts erii Europe, 

 broadly obovate to oblong, shorter than RESADA LUTEA L. 



the petioles; stipules deciduous; pet 2" Ascending or decumbent, somewhat 

 long; sep ciliate or almost fimbriate, pubescent with short stiff hairs or 

 veiy much shorter than the pet; pods nearly glabrous; Ivs 5-10 cm long, 

 2-4" broa 1 : stipe 3" long, reflexed upon broadly ovate or oblong, deeply lobed 

 the pedicel. or divided, sometimes pinnatifid, seg 



Torrey & Fremont, in Fremont, 2d R linear-oblong with undulate margins; 

 olL U< 5). fls in narrow racemes. 4-6 mm broad, 



Type locality: "on tre .\merl_-an fork greenish y; pedicels ascen ling, about 

 of the- Sacramento ri ,-->i\ J:il. mm long 'in fr; pet 6 Or 5, all but the 



Genus ISOMERIS Xnttnll. lowest ir cleft; sep of_ 



. ber: capsule oblong, about 8 mm long, 



Ill-scented shrubs with puberulent j h 3 or rarely 4 sh ort teeth, 

 branches. 3-foliate petioled Ivs and large Ahrams Fl L\ 1S2. An occasional 

 y fls axillary or in bracteate racemes: ^ fr ^ m &ardens . 

 ftp 4. persistent: pet -:, oMong, eqm.1: Jl . A*. r i^, 



receptacle dilated with a hemispher- Genus OLIGOMERIS 



ical torus: sta 6, inserted in tne recep- Low glaucous chiefly ann with linear 

 t.->ol .- f- il'Vg-ed c>pd sir.nd ,iai- i. .ICPT an ^ entire lv?, and sm greenish fls in 

 surface: ova longstipitate, many-ovuied terminal spikes: Sta usually 4: Pet 2, 

 on *he placentae; sty short, stig mm- posterior, free or united at the base, 

 ute. cap oval or nearly globose, in- ell tire or 2-3-lobed, persistent: Disk 0. 

 flated, tardily 2-valves: sds smooth. gt a 3-10: ova 4-angled, 4 beaked: Cap 

 ISOMERIS ARBOREA Nuttall. 4-sulcate, many-seeded, opening at the 



Widelv branching shrub. 1-3 m high, summit. 



with hard y wood and puberulent OI.^OMF.^IS GT.AUCBSCENS Camb. 

 branches. Ivs" 3-foliate: Ifts oblong to Ann or bien; 15-30 cm hi, branching at 

 lanceolate, equaling the petioles, entire, base* branches ascending: Ivs 

 mucronate; fls in terminal bracteate fascicled and somewhat fleshy, 1-.. cm 



