120 CRUCIFEILE. Lcs,ju,rclla. 



Var. sessilis, Watson, 1. c. I'ods sessile. — Vesicaria angustifolia, Gray, PI. Wright, 

 ii. 13, ill part. — Texas, Frio Co., Wriijht, no. 848. Liudiieiiiier's speiiiiieii from New 

 Brauiifels, no. 32G, in tiower, referred to V. am/ustifolia ( I'l. Lindli. ])t. U, 14;')), is jtrohaldy 

 the same. 

 L. Gordoni, W.vtsox, 1. c. Pubescence somewhat coarser: stems a foot iiigh or less: 

 leaves linear-olilanceidate, entire or rarely repand : petals spatulate, 3 lines long: pods 

 stipitate, 2 lines in diameter; the style somewhat shorter; cells 6-ovuled. — \'csicaria 

 Gonloiii, Gray, PI. Lindh. pt. 2, 149. — Extreme W. Texas to New Mexico and iVrizona. 

 Very near the last. 



Var. sessilis, Watson, 1. c. I'ods sessile or nearly so, and often pubescent. — Vesi- 

 caria uiif/nsti/'oliii, (iray, PI. Wright, ii. 13, in part. — With the same range, and S. Utah,i 

 Funi/. Forms approach L. anjip-ea. 



L. angUStifolid,, Watson, 1. c. Finely lepidote : stems simple or branched, a foot high: 

 leaves at liase lyrate-jjinuatifid ; the cauline narrowly linear and ])etiolate ; petals spat- 

 ulate, 2^ lines long: pods se.ssile or on slender ascending or spreading pedicels, 2 to 2i lines 

 broad; the style somewhat shorter; cells 2-ovuled. — Vesicaria angustifolia, 'Unit, in Torr. 

 & Gray, Fl. i. 101. — Prairies of Red Kiver, Arkansas, Leacenwortk, Nitttall. 

 = = Biennial or usually perennial (but often fruiting the first year) ; pods sessile or 

 nearly so on ascending or spreading pedicels; cells G-10-ovulcd. 



a. Pubescence evidently stellate. 



L. Engelmanni, Watson. Pubescence dense : caudex usually multici])ital ; stems usually 

 simple, often dwarf, sometimes tall and branched : lower leaves ovate and petiolate to linear- 

 oblanceolate, entire or sparingly repand ; the cauline linear-oblanceolate or -spatulate : petals 

 broadly sjjatulate, 3 to 6 lines long : jjods usually in a short raceme, substipitate, 3 lines 

 long; the style as long or longer; cells 6-8-ovuled. — Wats. 1. c. 254. Vesicaria Kvfjelmauni , 

 Gray, Gen. 111. i. 102, t. 70, & PI. Lindh. pt. 2, 144. V. pulchella, Kunth & Bouche, Ind. 

 Sem. Berol. 1845, 1.5, & Ann. Sci. Nat. ser. 2, xi. 229. — Central Texas, Austin and New 

 Brauufels, Z(«(/Ae('mer, &c. ; Indian Territory, Gordon; W. Kansas, Ellis, Z. Watson; Col- 

 orado, bluffs of the Arkansas at Pueblo, Greene. 



L. argyrea, Watson, 1. c. Pubescence more or less dense: caudex often simple and 

 apparently annual or biennial; the leafy stems decumbent or jjrocumbent, simple or 

 branched, often a foot long or more : leaves very variable, from ovate and petiolate to 

 usually more or less narrowly oblanceolate, entire or often rejiandly toothed : petals spat- 

 ulate, about 3 lines long, often turning purple : pods se.ssile in a long raceme, on straight 

 and ascending or spreading and curved jiedicels, 2 to 2i lines broad ; tlie style as long or 

 somewhat shorter; cells 6-10-ovuled. — Vesicaria argyrea, Gray, PI. Lindh. ])t. 2, 146. — 

 S. W. Texas, from the Colorado Kiver southward. (Northern Mex. to San Luis Potosi.) 

 b. Pubescence compactly lepidote, rarely evidently stellate. 



L. arctica, Watson, 1. c. Caudex usually simple and stems unbranched, 6 inches higli or 

 less : leaves spatulate, 3 lines long : pods on ascending pedicels, 2\ to 3 lines long ; the 

 style a line long or le.ss ; cells 6-ovuled ; septum perforate. — Vesicaria arctica, liicliards. in 

 Frankl. 1st Journ. ed. 1, App. 743 (reprint, p. 15). Alyssum arcticum, Wormsk. Fl. Dan. 

 t. 1520. — West coast of Greenland and the arctic coast of N. America, east of the 

 Mackenzie Piver. 



Var. Purshii, Watson, 1. c. Pod somewhat jmbesccnt ; septum entire. — Anticosti 

 Island, S/iejilierd, Macoiin ; "Canada," Pursli (in herb. Torrey). 



L. Fendleri, Watson, 1. c. Usually evidently perennial, with a multicipital caudex, often 

 dwarf; tlie simjde stems rarely a foot high : leaves numerous, entire, mostly very narrowly 

 linear-oblanceolate, in the typical form somewhat wider : ])etals broadly spatulate, 3 to 5 

 lines long; pods in a dense and usually sliort raceme, 2 or 3 lines Ijroad, sometimes ellip- 

 soidal and acutish; the style as long or a little shorter; cells 10-1 6-ovuled. — Vesicaria 

 Fendleri, Gray, PI. Fendl.'g. V. stenophi/lla. Gray, PI. Lindh. pt. 2, 149, Vl. Wright, i. 10, 

 & ii. 13. — S. Colorado to W. Texas, Arizona 2 (N. Mex.) 



1 Also in Vegas Wash, S. W. Nevada, ace. to Coville, Contrib. U. S. Nat. Hcrl). iv. 62. 



2 Also in California at San Pedro Martir, ace. to T. S. Brandegee, Zou, iv. 202. 



