DRABA. CRUCIFER.E. 55 



COCKLE ARIA. 



branches: leaves oblanceolafce, obtuse or acutish, entire, with a stout midnerve, 

 canescent with short dense stellate pubescence; scapes very slender, pubes- 

 cent; pods few, on smooth pedicels, 4-8 lines long, glabrous: style short 

 and stout; stigma 2-lobed. On Mount Adams Washington to the Rocky 

 Mountains and Brit, Columbia. 



* * * Caulescent : stem few-many-leaved ; leaves entire few-toothed : 



flowers yellow. 



1). aureola Watson Bot. Cal. ii, 430. Rather densely stellate-pubescent 

 throughout: caudex simple or branched: stem simple. |-4 inches high: 

 leaves numerous, 4-6 lines long, oblanceolate, obtuse, entire; the cauline 

 oblong: racemes short and dense: calyx glabrous: pods broadly oblong, ob- 

 tuse, pubescent, on short spreading pedicels: style short and stout. On 

 the high peaks of the Cascade and Sierra Nevada Mountains. 



4 AIZOPSIS DC. Syst. ii, 332. Leaves linear, entire, becom- 

 ing rigid with reflexed margins, and carinate by the prominent 

 midnerve. Densety cespitose and scapose perennials. 



1). glabella Adams Mem. Soc. Nat. Mosc. v. 108. Alpine or subalpine : 

 leaves linear or linear-oblanceolate, more or less densely stellate-pubescent, 

 sometimes ciliate at base, pods ovate to ovate oblong, acute, usually finely 

 pubescent, 1-4 lines long: htyle -$ line long. In the high mountains of 

 California and eastern Oregon to the Arctic Circle and the Rocky Mt's 



1). densifolia Nutt.T. &G.Fl.i, 104 Densely cespitose in somewhat glo- 

 bose tufts: leaves closely imbricated, short and rigid, strongly ciliate, glab- 

 rous or hirsute with nearly simple hairs: scapes naked, hirsute: pods ovate, 

 pubescent, 4-6 -seeded; the valves only moderately convex: style about | 

 the length of the pod. Alpine, Idaho to California, Nevada and Utah. 



1). Donglasii Gray Proc. Am. Acad. vii,328. Braya Oregqnensis Gray I. 

 c. xvii, 199. Densely cespitose, 3^-2 inches high, very leafy : leaves oblan- 

 ceolate to linear-spatulate, acute, somewhat rigid, ciliate, sessile, 4-6 lines 

 long : peduncles scarsely exceeding the leaves : pods ovate, subterete, acute 

 at each end, attenuate upwards to the long slender style, pubescent : ovules 

 only 2, rarely 4, in each cell, pendent from near the apex of the cell : seeds 

 very large. On the high hills in wet gravely places, Klickitat Co. Wash, 

 to California. 



17 COCHLEARIA Tourn. Inst. 215, t. 101, L. Gen. n. 803. 



Low glabrous and somewhat succulent herbs with mostly en- 

 tire leaves and small white flowers. Sepals short and broad, 

 rounded at the apex : petals obovate or cuneate very short ungui- 

 culate. Stamens straight, free. Style slender, sometimes very 

 short. Stigma simple or nearly so. Pods subglobose to short 

 oblong often somewhat obcompressed, very turgid : valves dis- 

 tinctly 1 -nerved. Seeds 2-several, in 2 rows in each cell. Coty- 

 ledons accumbent. 



C. Anglica L. Syst. Nat. ed. 10, 1128 & spec, ed 2, ii, 903. (?) Radical 

 leaves long-petioled, ovate or suborbicular rounded at the base or slightly 

 and broadly cordate, subentire ; lower cauline similar, short petioled, the 

 middle and upper ones ovate-oblong sparingly and bluntly toothed, sessile 

 by a more or less auriculate base : pods subglobose reticulated with promi- 

 nent veins. Shores of bogs, etc., Oregon to Alaska. 



Tribe III. Sisymbriese DC. Pods longitudinally dehiscent their 

 whole length, 1-celled, linear to oblong. Seeds in 1 row, not mar- 



