33 CRUCIFER.'E. TheUjpodiam. 



oblong, laciniately pinnatitid or coarsely and imequally sinuate-toothed : i-aceme 

 long and crowded: petals linear, 3 to 5 lines long, nearly white: pod \\ to 2^ 

 inches long, pointed with the slender styh^ on short stout divaricately spreading 

 pedicels. — Maa-opodiuiii laciitlatam, Hook. liot. Misc. i. 341, t. G8. Pachyiiodlam, 

 Nutt. 1. c. 



From Ciii-soa uml Tiuckuc Vullcys to thu C-'ohuubia River. 



G. T. longifolium, Watson, 1. c. Erect, rather slender, 1 to 2 feet high : lower 

 leaves oblanceolate, li to 3 inches long, petioled, sinuately toothed, the ujjper linear 

 and entire : Uowers scattered, on slender pedicels : sepals purplish, broad, obtuse, 2 

 lines long, a little shorter than the j)urple petals : lilainents not exserttnl : anthers 

 short : pod terete, 1 to U inclies long, very narrow, acaite with the very short style, 

 ascending. — iStrt'j>tant/iiis luiKiifoliiis, IJcnth. 1*1. llartw. 10. »V. viicrnnthns, (hay, 

 PI. Fendl. 7. 



Huevis Valley, W. Arizona (Lujclaw), to New Ale.xico and sovithwuul ; i)iobably in S. E. Cali- 

 foraia. 



7. T. flavescens, Watson, 1. c. Pilose : lower leaves sinuately toothed ; the 

 upper sessile and entire, not auricled at base: sepals and ])edicels hairy: pod 1| 

 inches long, nearly terete, sparsely hirsute, beaked with the long slender style, 

 strictly erect. — Slreptanthus flavescens, Torrey in Pacif. E. liep. iv. 65, not Hook. 



A little known species, iH)llceted only by Jii<ji:lmo near lieuicia ; said to have yellowinh flowers. 



An iniiicrfeut fiiii(inL( siiecinien, eollected by Cooper at Fort Moliavo, is probably to be referred 

 to this genus rather than to lSisy)iihriiiia, — well marked but not aeconling with any known 

 species of either genus. It is glabrous above, with nariow entire leaves, sagittate at base and 

 clasping ; pods few and stuitteied, strongly reflexed on short pedicels, an inch long, terete and 

 rather stout, beaked with a slender styh; ; seed-coat gelatinous on boiling. The lower part of the 

 stem is wanting. 



11. STANIiEYA, Nutt. 



Pod linear, elongated, terete, long-stipitate ; valves 1-nerved. Seeds in one row, 



oblong, not winged ; cotyledons linear, incumbent. Sepals equal at base, narrow, 



spreading, yellow. Petals yellow, narrow, with long connivent claws. Anthers 



linear, not sagittate, at length closely coiled ; filaments much elongated. Stigma 



sessile, entire. — Stout perennials with large flowers in elongated racemes. 



A genus of but three .sjiecues, confined to the interior of the continent, a single oi>e reaching 

 the southern inntions of tiie State. 



I. S. pinnatilida, Nutt. (ilabrous : stems several from a perennial woody 

 Imse, 1 to H fret higli, simple : lower leaves coarsely lyraUi-pinnatilid with few 

 oblong segments ; the upper entire, lanceolate, narrowed to a sleuder i)etioie, : calyx 

 3 to 4 lines long : petals half longer, the claws and stijjc of the ovary somewhat 

 pubescent: pod 2 inches long, a line wide, curved, atteiuiate into a slender stipe 

 6 to 9 lines long, exceeding the spreading or horizontal pedicels. — Gray, (ien. 111. 

 i. 154, t. 65. >S'. integrifoiia, James. -S". heterophylla & /ruiicosa, Nutt. 



Pose Creek (Ileermann) ; Santa Barbara Co. (Torrey) ; Fort Mohave (Cooper) ; and north and 

 eastward through the interior to the Snake River, the Upper Missouri and New Mexico. Califor- 

 nian specimens have the leaves all narrow and entire, and the pods horizontally recurved, corre- 

 sponding to the figure of the Arizona ]ilant in Sitgrcaves Rep. t. 1. 



S. viiiiDiKi.oiiA, Nutt., is known by its lanceolate sessile and clasping stem-loaves, the mdical 

 ones obovate or lanceolate, entire or with a few runcinate teeth toward the base ; caly.x and petals 

 greenisli yellow ; pod torulose. It is found in the valleys of Northern Nevada and north and 

 eastward, and may occur in Northeastern California. 



12. ERYSIMUM, Linn. 



Pod 4-angled by tlie prominent mid nerve of the valves, not stipitate. Seeds in 

 one row, oblong, not margined ; cotyledons inrumbent or oblique. Sepals ere<!t, 



