Liuwn. I.IXACK.K. 317 



L. sulcatum, IlinnEtL. Annual. Rlahrouu : atcm iulwimjilo Wow or with a few »tri<-t 



branches at lia.se, turvniboaely l)ninilie<l near the top: leaveM lameolaie, »er* aiuie. .Tleclcd 



with the lateral nerves close to the niar^^in, the lowcht entire, al>oul lo linen long, the uniier 



mucii smaller and glandular-serrulalo : llowers scattered on tin- rather nliort u|ij)«r bnuirhea ; 



sepals lanceolate, very acute, keeled ami with a pair of ni'>r<- or lf)»a prominent Uu-rsI 



nerves, occasionally elon^'ated and leaf-like: petals C lincN lon^: : miUih varioiwly unit4-<l 



below the middle: capsule ovoid, rather a<ute, a line and a half lonj;, often connpicuoiuilv 



shorter than the calyx. — Cat. Tl. Uhio, .Snppl. lo; (Jray. .Man. ed. 5, l()5 ; Tr«lea»c, 1. c. U. 



L. Buotii, I'lauch. 1. c. vii. 473. — Connecticut to Manitoba, wiuth to Virginia and Texas. 



•»— H— Capsule medium-sized (2 to .3 linos long), 5-valved through the complete false itepu. 



the true septa witii cartilaginous dorsal thickenings at b.-use : styles unjt<-d nlmoflt to th« 



top: stems mostly angled : upper leaves or bracts gland ular-H«^-rrulate : {M-iaU l>ear<le<l at 



base : rather rigid often very corymbose freiiueutly puberulent alu-rnate-leavcd Wei»u-ru 



species. 



++ Sepals at length deciiluous: leaves scattered except sometimes at l>a»o of nh^xttJi, the 

 broader spreading: stipular glands commonly jiresent : cajisulo oblong-ovoid ; fal^e sejiia 

 more or less thickened outwardly: small group of variable closely relate*! s|>erie.H, w'\i\i 

 flowers ranging from deep orange to nearly white. 



= Leaves narrow: capsule 2 lines long; false septa thickened for a very small di.«tancc. 

 Li. aristatum, 1'.ngel.m. Much branched towar<l the ba.se or tlironghout, the branches 

 slender, ascending, bluish, glabrous or puberulent : leaves erect, narrowly linear lanceo- 

 late, 3 or 4 lines long, awn-i)ointetl, 1-nerved : flowers few, military at the ends of the 

 branches or seemingly opposite tlie leaves, their pedicels long, gnxived rather than wing- 

 angled: sepals lanceolate, gradu.illy aristate, witli prominent miiirib and iK-canionally 2 

 lateral veins above : petals G to 8 lines long: caj)sule scarcily more than h.ilf as long an iho 

 calyx; the false septa meml)ranaceous except for a short distan<-e from the outer margin. — 

 Engelm. in Wislizenus, Tour Northern Mex. 101 ; Gray, I'l. Wright, i. 25, 26; Troleaw, 

 1. c. 15. — Southern Utah through Arizona, New Mexico, and Western Texas. (Northern 

 Mex.) 



Var. subteres, Trelease. Blue-green, glabrous, of the lax haliit of the type, though 

 more branched lielow, nearly without stipular glands: branches slightly angled : pediceU 

 sometimes greatly elongateil (occasionally 2 inches long), not prominently winged : BO|>alii 

 acute, l-nerved, more persistent than usual in the grouf). — Proc. Calif. Acad. Sci. ser. 2. vi. 

 285.— Nevada, Sprucemout, Jones, and Utah, liliiff City, M'rtlier'll, Willow Creek. Mis$ 

 Eastwood. 



L. rigidum, Pirsfi. Perennial?, glabrate or witli tlio angles slightly roughened: stems 

 somewliat cespitose, corymbosely branched above, the br;inches rather rigiti and, like the 

 pedicels, strongly wing-angled : leaves green to bluish, linear-lanceolate, olituse or acute. 

 about G lines long, 1-nerved, tlie l)roader often with 2 lateral keels towards the ap«'X ; flow- 

 ers more or less numerous: sepals lanceolate, slender-pointed, sliort-awneil. .stnuigly \-^- 

 wing-nerved: petals sometimes 8 lines long : capsule somewhat shorter than the calyx, the 

 false septa thickened for about a third their width. — Fl. i. 210; Torr. & (Jray, Fl. i. 204, iu 

 part; I'lanch. 1. c. vii. 474 ; F.ngelm. in Cray, 1*1. Wright, i. 25 ; Tndea.se, 1. c. 16. A. <jn- 

 niium. Noes, Verzciclm. I'fl Ma.ximilian von Wiod, 5. & Hot. Zeit. ii. 547. — Hrit. America to 

 Oregon and Iowa, .snuiii to Tex.xs. Al.so ccdiected at Miami. Floriila. in 1877. by darUr. 



Var. puberul\im, Kngel.m. Annual, blue-green, puberulent : stems mostly solitary 

 and low, corymbosely stout-branched above : leaves linear, acute, 3 or 4 lines long, I nerve*! : 

 otherwi.se like the type. — Kngelm. in Gray, PI. Wright, i. 25 ; Trele.xse, 1. o. Colorado Ui 

 Nevada, Southern California, and Texas. 



== = Leaves usually broader, green : capsule 2J linos long ; fal-'- septa tliirkened for 

 h.ilf tlieir wi.ltli. 



L. Berlandieri, Hook, (as L. nprnidifri). Perennial ?, nearly glabnms, few-bninfhe«l or 

 simple l)elow and r.ither clo.sely corymbose .alMive : leaves clear green, lancisd.ite. arnle. 

 mostly spreading, occ.asion.ally 3 lines wide and 15 lines long, more or lens .1ribl>e«l : wpal* 

 elongated, lanceolate, gradually very acute, shorl-awncil. strongly 3- or even 5-ribliod ; pctala 



