Lesquerella. CKrCIFKIi.E. 117 



base : petals broadly spatulate, 2 to 4 liues long : lilanieuts sliglitly dilatcii for a thinl of 

 their leugtli : pods ascending, 2 liues in diameter ; tlie very nli-ntier stylo iw long ; tellj* 6-8- 

 ovuled ; the fruiting raceme sliort and crowded. — Vesicaria dvnsijlora, firay, I'l. Liudh. 

 pt. 2, 145. — Central Texas. 



§ 2. Lesquerella proper. Caucsceiit with fine appressefl often compact 

 or lepidote-stellate pubescence : seeds immarginate : filaments filiform or linear- 

 subulate, — Wats. 1. c. 



* Ovary and pod finely ])ubesceut, sessile or very nearly so ; cells 2-8-ovuled. 

 •»— Pods not globose: bieiniials or perennials with simple stems. 

 ++ Pods ovate to oblong-ovate, compressed ; the valves convex (especially towanl the baAo), 

 acute or acutish, erect on s])readiug or ascending pedicels: pubescence compact and 

 rarely if at all distinctly stellate : westeru species. 



Li. OCCidentalis, Watson, 1. c. Caudex usually simple ; steins a foot high or less : lower 

 leaves oblanceolate, coarsely sinuate-dentate ; the cauline spatulate, entire : petals spatulate, 

 about .3 lines long : pods oval, acutish, 3 or 4 lines long; the slender .style 2 lines long; cell.n 

 4-ovuled. — Vcsic.aria occideida/is, Wats. Proc. Am. Acad. .\x. 353. — Oregon, Mitchell and 

 Multuomali Counties, Hoirtll, and N. California, near Yreka, Creevc. Taller specimens 

 from the White Bluffs of tlie Columbia, Washington {Branf/pi/ce), have broadly oljovatc 

 obtuse fruit and may be distinct. 



Li. TTin gii, Watso.v. Stems shorter, procumbent or decumbent: leaves entire*; the radical 

 ovate on slender petioles ; the cauline spatulate : filaments filiform : pods on shorter pedicels, 

 oblong-obovate, acute, 2 or 3 lines long ; the cells 2-4-ovuled ; style a line long. — Wats. 1. c. 

 xxiii. 251. Vesicaria Kiiigii, Wats. 1. c. xx. 353.1 — j^ Nevada, Kaolin Hills, Stretch ; Eiwt 

 and West Humboldt Mountains, Watson ; California, La.s,scn's Peak, L*mmi>ti, Mrs. Austin- 



L. alpina, Watson. Dwarf (1 to 3 inches high), usually ccspitose and muUici|)ital ; stems 

 slender : leaves entire, narrow, linear to linear-oblanceolate : petals 2 or 3 lines long, 8[»atu- 

 late, with the base somewhat broadly wing-dilated : pods on straight or more <>r le.ss curve<l 

 pedicels, compressed, oblong-ovate, acute, 2 lines long ; the slender style about as long ; cells 

 2-4-ovuled; septum sometimes perforate. — Wats. 1. c. xxiii. 251. V'csirnrui aljiimt, Nutt. 

 in Torr. & Gray, Fl. i. 102. V. Ludovicinna, Gray, Proc. Acad. Phllad. 1863, 58, not DC — 

 Cypress Hills, Canada, Macoun, to Colorado and Montana. Specimens from Greene River, 

 Wyoming (Parn/), have the pubescence more loosely stellate throughout. 



Var. intermedia, Watson, 1. c. Stems stouter (1 to 6 inches high) : flowers larger; 

 the oblong se])als 2h to 4 line., long and the ])etals more narrowly spatulate : pods ovate 

 elliptical; the cells 4-ovulod and the styles usually nearly as long. — Vesicaria alpimi. 

 Gray, PI. Fendl. 9. — New Mexico, Fendhr, no. 38; S. Colorado, Pueblo County, Greene; 

 S. Utah, Parrij. 



L. Arizonica, Watson. Dwarf, cespitose and multicii)ital, 1 to 3 inches high: loaves ax 

 in the prcct'ding but the lower usually .•shorter and more broadly ol)lanceolate : (lowers largf. 

 often bright yellow : sepals oidong-ovate, 2 lines long or less: petals with a broad wing 

 dilated undulate claw scarcely longer than the roumied Idade : pods broadly ovate ; cells 

 4-ovuled; the stylo usually about half as long. — Wats. 1. c. 251. 254. — Arizona. Jupiter 

 Mountains, near Prescott, Piilmer ; near Williams Station, T^muion ; Peach Springs, Ijemmm, 

 Jones ; Mokiak Pass, near St. George, Palmer. 



++ ++ Pods oldong or ovate-oblong, a* ute, not compressed or slightly so. erect on usually 

 divaricate curved pedicels: Rocky Mountain s])ecics. 



L. montana, Watson, 1. c. 251. Pubescence often evidently stellate: caudex mn-ly 

 branched; the stems less than a foot long: leaves oblanceolate, or th« nwlical often .«id>- 

 ovatc on slender petioles, often with one or two obscure teeth : petals siwtulate. 3 or 4 lines 



Add syn. Vesicaria montaM, Brew. & Wat-s. Bot. Calif, i. 43; K. Brnndcfu-c, Zoe, 



Physaria montana, Greene, Fl. Francis. 

 And on Snow Mountain, ncc. (o K. Bnuidc 

 . c. to Coville, Contrib. II. S. Nat. Herb. iv. (52. 



Gray. Physaria montana, Greene, Fl. Francis. 249. 



a And on Snow Mountain, ncc. (o K. Biandc^'cc, 1. c; also on 'IVIoscoim- Ti-ak, I'ananunt Mu., 



