PINK FAMILY 501 



Calyx-ribs conspicuous, about 20-nerved ; annual 1. S. multinervia. 



Calyx 10-nerved, the nerves sometimes weak or obscure. 

 Annuals. 



Internodes not glandular; flowers in one-sided racemes 2. S. gallica. 



Upper internodes with a glandular black band ; flowers in cymes or panicles 



3. S. antirrhina. 

 Perennials. 



Flowers large, mostly % to 2 inches broa'd (except no. 7); petals 4 to 6-cleft; stems 



leafy; mostly low altitudes (except no. 7). 

 Corolla crimson. 



Plants 2 to 5 feet high; corolla i/ 2 to % inch broad 4. S. laciniata. 



Plants mostly % to 1 foot high; corolla 1 to 1% inches broad 



5. S. californica. 

 Corolla white, yellowish or pink; plants mostly 3 to 7 inches high. 



Herbage grayish ; corolla much exserted 6. S. TwoTceri. 



Herbage dull or yellowish green; corolla scarcely exserted. . .7. S. parishii. 

 Flowers smaller, mostly 3 to 6 (or 10) lines broad. 



Flowers solitary in the upper axils or terminal, the stems very leafy throughout. 

 Calyx broadly turbinate-campanulate ; flowers nodding on deflexed pedicels; 



petals 4 to 6-cleft 8. S. campanulata. 



- Calyx broadly oblong ; flowers erect ; petals notched, the lobes divergent 



9. S. menziesii. 

 Flowers mostly scattered in a naked panicle or rarely solitary; stems mostly leafy 



at base or on lower part. 

 Flowers nodding or mostly so; stamens and style long-exserted. 



Petals 4-clef t 10. S. lemmonii. 



Petals 2-cleft 11. S. bridgesii. 



Flowers erect or mainly so; stamens and style included or little exserted. 

 Mostly of middle altitudes or on the sea coast. 



Calyx campanulate, cleft to the middle or nearly, about % as long 

 as the corolla; petals 4-toothed; scales none. .12. S. aptera. 

 Calyx toothed at summit, its teeth relatively short; scales present. 

 Calyx narrowly cylindric. 



Auricles none or feebly developed; scales long-lanceolate, 



entire. 

 Petals 4-clef t; capsule long-stiped. .13. S. occidentalis. 



Petals 2-cleft; capsule sessile 14. S. pectinata. 



Auricles present ; scales various ; capsule stiped. 

 Petals 4-cleft; scales laciniate or fimbriate. 



Ovary with minute valvular cap; claws glabrous; 



leaves mostly 2 to 6 lines broad 



15. S. montana. 



Ovary with conspicuous valvular cap % as long 

 as the ovary ; claws woolly ; leaves 



mostly y a to 1 line broad 



16. S. bernardina. 

 Petals 2-cleft ; scales entire or toothed, not fimbriate ; 



claws woolly 17. S. verecunda. 



Calyx oblong-campanulate ; petals unequally 4-cleft; claws 

 glabrous ; sea coast 18. S. grandis. 



High montane, mostly above timber line; calyx broadly cylindric or 



oblong-campanulate. 



Stems from a loosely branched crown 19. S. douglasii. 



Stems caespitose. 



Leaves 2 to 3 1'nes broad 20. S. grayi. 



Leaves mostly 1 line broad 21. S. watsonii. 



1. S. multinervia Wats. Annual; stems erect, simple or branching from 

 the base, 7 to 16 inches high; herbage pubescent throughout, viscid-glandu- 

 lar above ; leaves linear to lanceolate, 1 to 2 inches long ; flowers short-pediceled 

 in close terminal clusters on the unequal branches of the cymosely forked 

 inflorescence, or on mostly long (3 to 15 lines) pedicels in the forks; calyx 

 ovate, broadly so in fruit, 3 to 4 lines long, about 20-ribbed, the ribs strong 

 and equally prominent; petal blades small, pink, 2-cleft with obtuse lobes, 



