PINK FAMILY 501 



Calyx-ribs conspicuous, about 20-nerve(l ; annual 1. S. muUinervia. 



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

 Annuals. 



Internodes not glandular; flowers in one-sided racemes ' 2. S. (/allica. 



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



3. S. antirrhina. 

 Perennials. 



Flowers large, mostly % to 2 inches broad (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 Vo to "i inch broad 4. ,S'. laciniata. 



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



5. S. californica. 

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



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



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 deflexeJ pedicels; 



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



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. hridgesii. 



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

 Mostly of middle altitudes or on the sea coast. 



Calyx eampanulate, cleft to the middle or nearly, about lo 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 cylindrie. 



Auricles none or feebly developed; scales long-lanceolate, 

 entire. 

 Petals 4-cleft; 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. montann. 



Ovary with conspicuous valvular cap % as long 



as the ovary ; claws woolly ; leaves 



mostly V2 to 1 line broad 



16. S. bernardina. 

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



claws woolly 17. S. verecuiida. 



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

 glabrous; sea coast IS. S. grandis. 



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



oblong-campanulate. 



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



Stems caespitose. 



Ijeavi's 2 to 3 I'nes broad 20. S. grai/i. 



Leaves mostly 1 line broad 21. .S". watsonii. 



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

 the liase. 7 to Iti inelies high; herbage pubescent throughout, viscid-ghimlu- 

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

 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 e<iually prominent : pi-tid l)la(les small, pink, ^-i-lcff with obtuse lol)es, 



