[Vol. 8 
198 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
Mountains, 219. 1909; Nelson, Spring Fl. Intermountain 
States, 65. 1912; Clements & Clements, Rocky Mountain 
Flowers, 25. 1914; Wooton & Standley, Contr. U. S. Nat. 
Herb. 19: 275. 1915; Rydb. Fl. Rocky Mountains, 332. 1917. 
Vesicaria montana Gray, Proc. Acad. Nat. Sci. Phila. 1863: 58, 
1863; Porter & Coulter, Syn. Fl. Colo. 7. 1874; Coulter, Manual 
Rocky Mountain Region, 25. 1885. 
Alyssum Grayanum Kuntze, Rev. Gen. Pl. 2: 931. 1891. 
Lesquerella rosulata Nelson, Bull. Torr. Bot. Club 25: 205. 
1898. 
L. Shearis Rydb. Bull. Torr. Bot. Club 29: 237. 1902; 
Rydb. Fl. Colo. 155. 1906; Daniels, Univ. Mo. Studies 2: 
128. 1911; Rydb. Fl. Rocky Mountains, 332. 1917. 
L. curvipes Rydb. Fl. Colo. 155. 1906; Rydb. Fl. Rocky 
Mountains, 332. 1917, in part. 
Perennial, cinerous stellate-pubescent throughout, stellae 
few to many-rayed, rays forked near the base, distinct or ir- 
regularly coherent; caudex frequently unbranched, rarely en- 
larged; stems decumbent, 1-2 dm. long, unbranched or rarely 
branched; terminal bud remaining undeveloped; radical leaves 
quite variable in outline, 1.5-4 cm. long, entire, narrowly ob- 
lanceolate, acute with blade tapering gradually to the petiole 
or blade ovate to oblong, abruptly narrowed to the slender 
petiole, entire or toothed, frequently obtuse; cauline leaves from 
very narrowly oblanceolate to broadly cuneate and then fre- 
quently with 2 conspicuous lateral teeth, acute or obtuse, 1-3 
cm. long, numerous; petals yellow, narrowly spatulate, 7-9 
mm. long; filaments linear, slightly enlarged at point of attach- 
ment; fruiting inflorescence elongated; pedicels conspicuously 
sigmoid, 8-12 mm. long; pods erect, sessile, densely stellate- 
pubescent, oblong, 6-8 mm. long, obtuse or acute but not con- 
spicuously compressed at the apex; styles 3-6 mm. long; septum 
conspicuously nerved, areolae straight or tortuous; ovules 6-10 
in each cell, funiculi attached to the septum for less than one- 
half their lengths; seeds not margined. 
Distribution: southwestern South Dakota, southeastern Wy- 
oming, eastern Colorado and northeastern New Mexico. 
Specimens examined: 
South Dakota: Hot Springs, June 6, 1893, Schneck (Mo. Bot. 
Gard. Herb.). 
