SMELOwsKiA. ORUOIFERiE. 57 



SCHOSNOCBAMBE. 



unappendaged. Anthers oblong, slightly sagittate at base. Pods 

 lanceolate or lance-oblong, more or less obcompressed, with 

 sharply keeled valves, few-seeded. Stigma sessile. 



S. calycina C. A. Meyer 1. c. 170. Densely white tomentose to nearly 

 glabrous ; cespitose, the thick branching rootstock thickly covered wit h 

 the sheathing bases of dead leaves, stems erect, 2-6 inches high : leaves 

 mostly radical and with long slender petioles, pinnate or pinnatifid, seg- 

 ments linear to oblong, entire or sparingly lobed : calyx villous, persistent: 

 petals 2 lines long, a half longer than the sepals : pods 3-6 lines long a line 

 wide attenuate to each end and beaked with the short style and broad 

 stigma, ascending, on spreading pedicels: seeds 2-8, a line long. Califor- 

 nia to the Arctic coast, east to the Rocky Mountains. 



S. Fremontl "Watson Proc. Am. Acad, xi, 123. Pubescent with short 

 spreading scattered hairs, the branching woody base with a few remnants 

 of old leaves : stems 2-^ inches high : leaves less than half an inch long, 

 pinnate with 1-3 pairs of linear leaflets, which are strongly nerved and 

 somewhat revolute : sepals smooth, ovate to broadly oblong, less than a 

 line long, deciduous : the white petals twice longer : pods 2-6 lines long 

 somewhat obcompressed, obtuse at base apd scarcely attenuate above, 

 beaked with the short thick style, valves faintly nerved: seeds small, 10 

 or more in each cell ; cotyledons obliquely incumbent. Southeastern Ore- 

 gon to northern California. 



21 SCHCENOCRAMBE Greene Pitt, iii, • 127. ^ 



Glaucous perennial herbs, the stems from horizontal branch- 

 ing rootstocks, often sparingly leafy and the whole plant of a 

 reedy aspect. Sepals equal at base. Petals yellow, the limb 

 .small in proportion to the long and broad claw fthis much as, in 

 Streptanthusj. Pods slender terete, somewhat torulose, the 

 valves nerveless or faintly 1-nerved. Stigma entire. 



§• linifolia Greene 1. c. Sisymbrium linifolium Nvtt. Stems numer- 

 ous slender, branching, erect, 1-2 feet high : lowest leaves somewhat spat- 

 ulate, often coarsely few-toothed ; cauline oblong-linear to narrowly lin- 

 ear, obttise, entire, 1-2 inches long : racemes rather few-flowered, lax in 

 fruit : flowers 2-3 lines long : fruiting pedicels 4-5 lines long the slender pods 

 about 1)4 inches long, ascending or suberect: seeds elongated, scarcely 

 Compressed. On clayey bluffs and banks, Oregon and Washington to 

 Montana and Wyoming. 



Tribe IV. Stanleyse. Pods longitudinally 2-celled dehiscent 

 their whole length, terete or prismatic, home upon a more or less 

 manifest stipe. Stigma mostly circular in outline, sessile. Coty- 

 ledons incumbent. 



22 THELYPOiJIUM Endl. Gen. 876. 



Moslily coarse and succulent biennial or annual herbs with 

 entire or pinnatifid leaves and white purple or rarely yellow flow- 

 ers in usually dense elongated racemes. Sepals equal or the' lat- 

 eral pair saccate at base, at length somewhat spreading. Petals 

 plane, long and narrow or with a well developed blade. Stamens 

 0, well exserted ; filaments long and slender ; anthers narrowly 

 linear, sagittate at base curved or coiled. Stigma usually small. 

 Pods slender, terete or quadrangular, often torulose, borne tipon 

 a short thick stipe, Saeds iu 1 row Komewhat compresisecl, 



