OP ARTS AND SCIENCES. 139 



not auriculate ; the limb deeply 4-cleft ; the segments entire or bifid : 

 seeds large for the genus, tuberculate, ash-colored at maturity. — Proc= 

 Am. Acad. xi. 124; Brew. & Wats. 1. c. i. 65. ■ — S. California, Cucamaca 

 Mts., Palmer ; San Bernardino Mts., Parish; San Rafael Mts., Ford. 



= = = Inflorescence as in the preceding : petals 2-cleft into linear segments: 

 styles very long, the exserted portion as long as the calyx. 



S. Bridgesii, RoiiRB. Pubescent and viscid : stems leafy, usually 

 simple up to the inflorescence, a foot or more in height: leaves sessile, 

 lanceolate, acute, 1^-2 inches long: flowers slender-pedicelled, verti- 

 cillately racemose or somewhat paniculate, nodding: calyx narrowly 

 oblong or clavate in anthesis, broadly obovate in fruit ; the teeth acute ; 

 the principal nerves broad, green ; the commissural much narrower, 

 seldom anastomosing with the others : petals ^-| inch long, consider- 

 ably exserted, white or purplish : seeds very large, finely tuberculate, 

 red. — App. Ind. Sem. Berol. 1867, 5, & Monog. Sil. 204 ; Wats. Proc. 

 Am. Acad. x. 342 ; Brew. & Wats. 1. c. i. 66. S. tncompta, Gray, 

 Proc. Am. Acad. vii. 330^-8'. Engelmanni, Rohrb. Linnaia, xxxvi. 

 264, is a form of the same species, differing from the type only in the 

 somewhat broader lobes of the petals and in the obtuse apjjendages. 

 — Yosemite Valley, Bridges, Gray ; Mt. Bullion, Holander ; Danah, 

 Congdon. A closely similar if not identical plant has been found by 

 Rattan on the Klamath River in N. California. 



= = = == Flowers scattered, or variously paniculate : styles included or 



somewhat exserted, but not so long as in the preceding. 

 a. Fruiting calyx ovate, not contracted below, filled and distended by the sub- 

 sessile capsule. 



S. Thurberi, Wats. Densely grayish-pubescent and glandular : 

 stems erect, 2 feet high, somewhat rigid, with ascending branches : 

 leaves lanceolate, acute, contracted below, sessile, 2-4 inches long : 

 flowers small, rather numerous : calyx cylindric becoming narrowly 

 ovate, green-and-white striped, densely pubescent ; the teeth slender 

 with fimbriate laciniate margin : petals white, little exceeding the ca- 

 lyx ; the claw rather broad with upwardly produced auricles ; blade 

 bifid with short oblong lobes, each with a small lateral tooth ; appen- 

 dages oblong, obtuse : capsule narrowly ovoid, scarcely stiped : seeds 

 tuberculate and distinctly crested. — Proc. Am. Acad. x. 343. »S. pli- 

 cata, Wats. 1. c. xvii. 366. — Near Janos, S. W. New Mexico, Thurher ; 

 peak south of Rucker Valley, Lemmon. (Mexico, Pringle.) 



S. pectinata, Wats. Stems several, erect, H-2i feet high : leaves 

 lanceolate or oblanceolate, acute or acuminate ; the lower long, taper- 

 ing into winged petioles ; the upper more or less reduced : flowers 



