PIXK FAMILY 281 



plants comparatively few-flowered: inflorescence not verticil- 

 lately racemose or spicate; branches mostly ascending 

 and bracts shorter than the calyx. 

 Stemnearly glabrous; flowers soUtary or 3-5 in an open cyme; 



leaves grass-like. 6. S. monant'ha. 



Stem pubernlent throughout or viscid above; leaves not grass- 

 like. 

 Caly.x short, its lobes rounded, with dilated scarious mar- 

 gins. 7. S. Columbiana. 

 Calyx long, its lobes ovate; margins scarcely dilated. 



Calyx inflated in fruit, purple-veined"; stem ^-iscid 

 above. 

 Plant very viscid : leaves thick, the basal ones nar- 

 rowly linear-oblanceolate; calyx less inflated. 



8. S. Lyallii. 

 Plant usually viscid onl.v above; leaves tliin, the 



basal ones oblanceolate or spatulate; calyx 

 much inflated and rounded below. 



9. S. multicaulis. 

 Calyx scarcely inflated in fruit, narrowed downward; 



veins green; plant not viscid. 10. S. Douglasii. 

 Plants many-flowered, more or less verticillately racemose or 

 spicate, with erect branches; lower bracts longer than 

 the calyx. 

 Claw and auricles of the petals narrow; the latter laciniate. 



11. S. Scouleri. 

 Claw and auricles of the petals broad; the latter ciliate. 



12. S. Hallii. 

 Inflorescence leafy; flowers borne in the axiLs of the branches, less than 1 cm. 



long. 13. s. Menziesii. 



Plant subacaulescent, densely cespitose-pulvtnate. 14. S. acaulis. 



Calyx 15-20-nerved, strongly inflated in fruit and more or less constricted at the 

 mouth. 15. S. vulgaris. 



1. S. antirrhina L, Stem 1.5-5 dm. (rareh^ 6-10 dm.) high, finely puberu- 

 lent below; branches strongly ascending or nearly erect, usually more or less 

 viscid about the middle of the internodes; lower leaves oblanceolate, 5-10 cm. 

 long, the upper Hnear to lanceolate; calyx in flower fusiform, S-10 mm. long; 

 lobes lanceolate or ovate-lanceolate, usually acute, often purple-tipped; petals 

 purple or rose-tipped, exceeding the sepals and with a 2-cleft blade, or shorter 

 and with a truncate blade, or wanting; fruit broadly ellipsoid, 6-8 mm. long, 

 about 4 mm. thick. Sleepy Catchfly. Waste places, fields, etc.: "Sewi. — 

 Fla.— Cahf.— B.C. Plain— Submont. Ap-Au. 



2. S. noctiflora L. Stem stout, viscid-pubescent, 3-10 dm. high; lower 

 leaves obovate or oblanceolate, 5-12 cm. long, obtuse, \ascid-hirsute, short- 

 petioled; upper leaves lanceolate, acuminate, sessile; calyx 2-3 cm. long, at first 

 nearly tubular; petals white or pinkish, about 3 cm. long, somewhat exceeding 

 the cah-x, 2-cleft; capsule sessile, ellipsoid. Night-bloomixg Catchfly. 

 Waste places and cultivated ground: X.S. — Fla. — -Utah — Wash.; nat. from Eu. 

 Plain — Submont. My-Au. 



3. S. oregana S. Wats. Stem 3-5 dm. high, more or less viscid-pubertilent; 

 lower leaves oblanceolate, 5-10 cm. long, viscid-puberulent, the upper linear- 

 lanceolate; cah-^x oblong-cylindric, about 15 mm. long; petals wliite, fully 2 cm. 

 long; claws auricled above; capsule stipitate, ovoid. Mountain vallevs: ]\Iont. 

 —Wyo.— Ore.— Wash. Submont.— Subal p. Jl-S. 



4. S. Spaldingii S. Wats. Stems stout, leafy, viscid-villous, 3-5 dm. high; 

 lower leaves oblanceolate, the upper lanceolate, densely viscid-pubescent; calyx 

 oblong-cyUndric, 15-20 mm. long; petals not exceeding the cah-x, greenish white; 

 claw broad, auricled; capsule stipitate, ovate-oblong. Mountains: Wash. — 

 Mont. — Ida. — Ore. Submont. Au-S. 



5. S. repens Patrin. Stems several, finely puberulent, decumbent below; 

 leaves Unear-lanceolate or nearly hnear, densely and finely pubescent; calj'x 

 cylindric or somewhat clavate, villous, usually more or less purphsh, 10-12 mm. 

 long; petals rose-colored, 15-18 mm. long; blade bifid. S. purpurnta Greene. 

 Vallej's: Mont. — Yukon — Alaska; Siberia. Submont. — Mont. Jl-Au. 



6. S. monantha S. Wats. Stem weak, 2-3 dm. high; leaves linear or 

 narrowly oblanceolate, 4-7 em. long, acuminate; calyx inflated, thin, about 12 

 mm. long; teeth triangular, acutish, scarious-margined ; petals about IS mm. 



