DENTARIA. CRUCIFER^. 49 



CARDAMINE. 



long petiolulate; cauline leaves 1-4, mostly 3-5-lobed or-parted, with oblong- 

 lanceolate acute, mostly entire divisions: racemes densely many-flowered: 

 petals rose-purple, half inch long: fruit not known. Under small oaks along 

 the creek, Silverton, Oregon. 



Di gemmuta* Cardamine Gemmata Greene Pitt, i, 162. Stems rather 

 stout, 3-8 inches high from a round or oblong tuber 4-10 lines in diameter: 

 radical leaves ternate, the leaflets broad and somewhat quadrate, coarsely 

 toothed; cauline leaves 1-3, pinnately divided into 5-7 linear-oblong mucron- 

 ate, entire or toothed segments: racemes short, several-flowered; petals pur- 

 ple, 5-8 lines long, In wet places, eastern base of the Coast Mountains 

 near Waldo Oregon, flowering in very early spring; often in January to 

 March. 



D. Californica Nutt. T. & G. Fl. i 88. Cardamine paucisecta Bentli. 

 PL Hartw. 297. Smooth or slightly pubescent: stems stoutish, 6-18 

 inches high from small deep-seated tubers, simple or branched; lower leaves 

 simple or trifoliolate, the leaflets pitiolulate, suborbicular, cuneate to sub- 

 cordate at base, sinuate or coarsely toothed ; cauline leaves 2-4, mostly 

 short-petioled, pinnately 3-5-foliolate, rarely simple or lobed; leaflets mostly 

 petiolulate, ovate to lanceolate or linear, entire or toothed, 1-3 inches long, 

 flowers white or rose-color: pods 1-2J inches long: seeds obloug; cotyledons 

 thick, the radical decidedly oblique, cleft to the middle. Along streams, 

 southwestern Oregon to southern California. 



10 CARDAMINE Toum. inst. 224, t. 109, L. Gen. u. 812. 



Annual or perennial herbs of moist or wet places with simple 

 or pinnate leaves and mostly small flowers in elongated ra- 

 cemes. Sepals equal at base erect or more or less spreading. 

 Petals obovate to narrowly spatulate. Pods linear, with some- 

 what thickened margins merely beaked or pointed above. 

 Valves flat, nerveless, opening elastically from the base. Seeds in 

 1 row, wingless. Cotyledons accumbent or slightly overlap- 

 ping the radical, more or less petiolate, 



C bellidifolia L. Sp. ii. 654. Glabrous perennial: caudex much 

 branched, somewhat fleshy, stems very short, tufted: lower leaves ovate or 

 elliptical, sometimes subcordate usually obtuse, obscurely 3-lobed, or r arely 

 with one or two lateral teeth, 1-6 lines long, on long slender petioles: ped 

 uncles 3-24 lines long: flowers few, white or pinkish; sepals white, oblong, 

 a line long; petals spatulate, narrowed below to a slender claw, very ob- 

 tuse or truncate above twice as long as the sepals: pods erect, 6-15 lines 

 long, on pedicels 2-3 lines long; style very short and stout, radical cleft to 

 the middle. On Mount Shasta and Lassen's Peak California to Crater Lake 

 Oregon and Alaska. 



C. Lyallii Watson Proc. Am. Acad. xxii, 466. Glabrous: rootstock 

 creeping: stems erect, simple or branched o-18 inches high: leaves 4-8, peti- 

 oled undivided, renifonn to cordate, the margin sinuate, 1-3 inches broad: 

 the upper triangular, cordate, subacuminate : racemes pedunculate; flowers 

 white, 3-4 lines long: pods erect on spreading pedicels 10-12 lines long, 

 rather shortly attenuate to a very short style: radical cleft to the middle. 

 Along brooks in the Cascade and Sierra Nevada Mountains. 



C. callosicrenata Piper Bot. Gaz. xxi, 488. "Perfectly glabrou 

 throughout; stems erect, purplish below, shining above, coarsely striate, 

 leaves all similar and pinnately trifoliolate, or some of the radical rarely sim- 

 ple; terminal leaflet orbicular, 2-5 lines long and nearly as broad, closely 

 crenate or the uppermost lobed, the crenations tipped with a short blunt cal- 



