ROBINSON. — ALS1NE.2B. 283 



-t- h- Leaves acerose. 



S. Kingii, "Wats. Cespitose, minutely glandular-pubescent above: 

 root woody : stems several, 2-7 incbes high: leaves crowded below, 

 rigid, pungent, light green : sepals spreading or somewhat reflexed 

 during anthesis, scarious-margined, exceeded by the narrow petals. — 

 Bot. King Exp. 30, t. vi. f. 1-3 ; Brew. & Wats. Bot. Calif, i. 68. — 

 Humboldt Mts., N.Nevada, Watson; S. Utah, Parry, Palmer ; July 

 and August. 



•*- 4- h- Leaves all sessile or subsessile, sometimes narrow, but not acerose. 



++ Bracts small, scarious. 



= Flowers small : petals minute or none. 



S. umbellata, Turcz. Smooth: stems weak, ascending from a 

 decumbent rooting base : leaves varying from lanceolate and acute to 

 elliptic-oblong, 3-S lines in length : pedicels filiform, sub-umbellately 

 grouped at the ends of the branches, often deflexed : sepals small, 

 1—14, lines in length, glabrous, scarious-margined: capsule twice as 

 long; the valves deeply 2-toothed ; teeth obtuse. — Cat. Baic. 5, & 

 Fl. Baic-Dahur. i. 236 ; Fenzl in Ledeb. Fl. Ross. i. 394 ; Kegel, 

 Ost-Sib. i. 383, 399 ; Wats. Bot. King Exp. 38 ; Porter & Coulter, 

 Fl. Col. 13; Brew. & Wats. Bot. Calif, i. 67. S. borealis, var. 

 Hook. Fl. Bor.-Am. i. 94. — Mountains of Colorado and Arizona to 

 Union Co., Oregon, Cusick. (Asia.) 



= = Flowers of medium size : petals equalling or exceeding the calyx (except 



sometimes in -S. uliginosa). 



a. Seeds essentially smooth. 



S. longifolia, Mdhl. Stems sharply 4-angled, commonly 8 inches 

 or more in height : leaves linear or linear-oblong, somewhat narrowed 

 at each end, thickish, often ciliate toward the base ; the larger ones 

 1]-H inches long: flowers rather numerous in a lateral long-pedun- 

 cled open cyme ; pedicels spreading, horizontal or deflexed : petals 

 and capsule exceeding the sepals : seeds smooth. — Cat. 45 ; Willd. 

 Enum. 479; Fenzl, 1. c. i. 392; Gray, Gen. ii. 38, t. 113, f. 1-5. 

 S. graminea, Bigel. Fl. Bost. 110. Spergulastrum gramineum, Michx. 

 Fl. i. 276. Micropetalon gramineum, Pers. Syn. i. 509. M. longifo- 

 lia, Eat. & Wright, N. A. Bot. ed. 8, 319. — Canada to Maryland and 

 westward to the Rocky Mts. ; June and July. (Europe and Asia.) 



S. longipes, Goldie. Smooth and shining or more or less 

 glaucous, spreading at the base: branches erect, 3-12 inches high: 

 leaves linear or lance-linear, gradually narrowed from the base to the 

 acute apex, 1-nerved, 8-12 lines in length, spreading: flowers irregu- 



