y 



PIXK FAMILY 281 



Plants comparatively few-flowered; inflorescence not vcrticil- 



lately racemose or spicate; branches mostly ascondinc 

 and bracts shorter than the calyx. 



Stem nearly glabroiis: flowers solitary or 3-5 in an open cvme- 



leav&s grass-like. 6. S. monantha. ' 



Stem puberulent throughout or viscid above ; leaves not grass- 



Calyx short, its lobes rounded, with dilated scartous mar- 



Caijx longj Its lobes ovate; margins scarcely dilated 



Calyx inflated in fruit, purple-veined; stem viscid 



above. 



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

 rowly hnear-oblanceolate; calyx less inflated. 



Plant usually viscid only above; leaves thin, the 

 basal ones oblanceolate or spatulate; calyx 

 much inflated and rounded below. 



^ , , . „ . , . 9. 5. multicanlfs. 



Calyx scarcely inflated in fruit, narrowed downward' 

 T>, ^ "^^^"s green : plant not viscid. 10. S. Douglasii. ' 



Plants many-flowered, more or less verticillately racemose or 



spicate, with erect branches; lower bracts longer thau 

 the calyx. 



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



j^, , . , . 11* S. Scouleri. 



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



^^^<^J^scence leafy; flowers borne in the axils of the branched." less than'l cm 



13. iS. Menziesii. 



Plant subacaulescent. densely cespitose-pulvinate. 14. S acaufif "' 



mouth" strongly inflated in fruit and more or less constricted at the 



15. 5. vulgaris. 



1 }u^i^ antirrhina L. Stem 1.5-5 dm. (rarely 6-10 dm.) high, finely puberu- 

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

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

 ong, the upper hnear to lanceolate; calyx in flower fusiform, 8-10 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. lontr, 

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

 11a.— Cabf.— B.C. Plain—Submont, Ap-Au. 



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

 ieaves obovate or oblanceolate, 5-12 cm. long, obtuse, viscid-hirsute, short- 

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

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

 tne calp, 2-cleft; capsule sessile, eUipsoid. Night-blooming Catchfly 

 ^aste places and cultivated ground: X.S.—Fla.— Utah— Wash • nat. from Eu' 

 PlainSuhmont. My-Au. 



3. S. oregrana S, Wats. Stem 3-5 dm. high, more or less viscid-pubenilenf 

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

 lanceolate; caljoc oblong-cyhndric, about 15 mm. long; petals white, fully 2 cm 

 long; claws auncled above; capsule stipitate, ovoid. Mountain valleys: Mont. 

 — n yo.— Ore.-- Wash. SubmonL—Subalp. Jl-S. 



4. S, Spaldmgii S. Wats. Stems stout, leafy, viscid-viJlous, 3-5 dm. high: 

 lower leaves oblanceolate, the upper lanceolate, denselv viscid-pubescent; calvx 

 Oblonff.evlinHri/> 15-20 mm. long; petals not exceeding *^^" ' ' • ^ ^ •■ 



Claw broad, auncled; capsule stipitate, ovate-oblong. Mountains: Wash 

 Mont.— Ida.— Ore. Submord. Au-S. 



__ # 



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



linear 



^ , „. „^^^,.„„„ ^.x^,cv;c, vixiuuo, uauiiLi^y mure or less purpusn, i.u-iZ mm. 



long; petals rose-colored, 15-18 mm. long; blade bifid. 5. purpurala Greene. 

 Valleys: Mont.— 1 ukon— Alaska; Siberia. Submont.—Mont, Jl-Au. 



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

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

 mm. long; teeth triangular, acutish, scarious-margined; petals about 18 mm. 



