Arnin,. CRl'CIFEll.E. 1G5 



A. perennans, Watson, reremiial, witli a usually branching and somewliat woody base, 

 about a foot high, roughly stellate-|jubesceijt, sometimes glabrous al)Ove : lower leaves an 

 inch long or less, broadly spatulate to narrowly oblanceolalc ; the petioles sometimes ciliate . 

 flowers smaller (2 to 3 lines long), often pale : pods 1 to 2 inches long by a line wide or some- 

 what less; the small stigma sessile: calyx and pedicels stellate-jjubescent to glabrous: 

 seeds orbicular, very narrowly margined. — I'roc. Am. Acad. xxii. 467. A. armnta & 

 .,4. rctrofructa, Wats. Bot. King Kxp. 18, in part. J^unitis patula, Gray, Bot. Ives Kej>. 6. 

 Distributed l)y Pringle under the name A. IlolUtllii, var. perennans. — N. Neva<la and Itah 

 to Arizona, and the Colorado and Mohave Deserts, California. 



A. subpinnatifida, Watson. Very finely stellate-pubescent throughout: stems one or 

 more from a biennial or soniotimcs perennial {! ) root, a span to a foot high, rarely branched : 

 leaves very densely and finely pubescent; the lower linear- or narrow-oblauceolate, entire 

 or toothed, 1 to 2 inches long ; the cauline lanceolate, more or less unequally incised or the 

 uppermost entire : flowers rose-colored, 3 to 6 lines long: pods pubescent, slightly curved, 

 1 j to 2| inches long by 1 to l^ lines broad, attenuate to a short style, and pendent upf)n 

 recurved pubescent -pedicels (2 to 5 lines long) ; valves 1-nerved to the middle and veined ; 

 seeds in 1 row, as broad as the partition, winged. — Proc. Am. Acad. xx. 353. — N. W. 

 Nevada, Torrey, Watson, no. 76, in part; Sisiviyou Mountains, California, Greene; S. W. 

 Oregon, T. Howell. 



* * Cauline leaves auriculate clasping, entire ; the radical also entire or (in ^1. .firett-er/, 

 A. Lifullii, and A. Beckwithii) obsoletely denticulate (in A. Bolanderi, as yet unknown). 

 H— Pods arcuate-spreading or divaricate. 



A. Bolanderi, Watson. Biennial, more or less pubescent throughout with soft stellate 

 hairs : the solitary stem nnich branched, 1 to 2 feet high : radical leaves not known ; cauline 

 lanceolate, 1 to 2 Inches long : iiov.ers small (2 to 3 lines long), rose-colored : sepals and 

 pedicels (in fruit, 1 to 2 lines long) pubescent: pods mostly divaricately spreading, glabrous, 

 straight, 6 to 18 lines long, obtu.-<e witli a broad sessile stigma; valves l-nerved to the 

 middle ; seeds orbicular to elliptical, narrowly winged, somewhat in two rows. — Proc. Am. 

 Acad. xxii. 467. — Yosemite Valley, Bolander ; Wa.«hingtou, Brandegee. Also collected by 

 Turri if, a more glabrous form, probably in the mountains of California, though ticketed in 

 his herbarium from Colorado. 



A. Breweri, Watson. Perennial : stems several from a branching rootstock, 4 inches to a 

 foot high, more or less villous with spreading simple or branched hairs or stellate-pubescent 

 toward the base : lower leaves narrowly oldanceolate, entire or toothed, finely stellate-pubes- 

 cent, an inch long or less ; the jtetioles often ciliate ; U])per cauline leaves lanceolate to 

 narrowly oblong, sessile with a subcordate base or obtusely auriculate, somewhat villous or 

 pubescent or nearly glabrous : flowers bright rose-color or purplish to nearly white, 3 to 4 

 lines long ; the pedicels and purplish calyx more or less viUous: pods at length spreading 

 and more or less arcuate, 1^ to 3'iuches long by a line or more broad, acute with a .-icssile 

 stfgma; valves 1-norved, veined; seeds orbicular, narrowly winged. — Proc. Am. Acid. xi. 

 123 ; Brew. & Wats. Bot. Calif, i. 33. — From Mt. Diablo ' and Lassen's Butte, California, 

 to Waldo Co., Oregon. 



A. Beckwithii, Watson. Reseml)ling A. suhpinnutlpda, hoary witli a fine dense stellate 

 pubescence : stem erect from a biennial root, a span high : leaves entire ; the radical oldan- 

 ceolate, an inch long; the cauline lanceolate: pods glabrous (or slightly pubescent wlun 

 young), spreading and arcuate, 2i inches long; seeds mostly in 2 rows. — Proc. Am. Acad, 

 xxii. 467. — N. Nevada, Quartz Mountains, Becku'ith, near Carson City, Watson, near 

 Candelaria, Shackle y ; California, San Bernardino Mountains, Parish Bros. 



-i^ H— Pods reflexed. 



++ Pubescence densely and finely stellate. 



A. canescens, Nutt. Low (4 to 8 inches), biennial or ])erennial, finely stellate-pnbescen* 



tlironghout, stems one or .several: lower leaves linear-oblanceolate, an indi long or lo.<s; 



cauline leaves linear, slightly auriculate : flowers small, 2 lines long or less, jiale; pods ))en- 



dulous, pubescent or glabrate, 1 to \i inches long by two thirds line broad, on pedicels 



1 Southward to Mt. Hamilton, ace. to Greene, Fl. Franci.s. iol, k Erythea, i. S7. 



