200 POLEMONIACEAE 



Plants 214 to 9 inches high; leaf -blades linear and entire. 



Flowers mostly sessile; corolla white; seeds angular, narrowly margined, often 



pointed at one end 8. L. higelovii. 



Flowers pedicelled; corolla yellow; seeds narrowly margined, notched on one side, 



the notch with a white horseshoe-shaped border 9. L. jonesii. 



Plants Vi to 21/^ inches high; leaves 3-parted, or linear and entire; seeds reniform, con- 

 stricted at the hilum 10. L. arenicola. 



Leaf -blades palmately parted or dirided into 3 to 7 linear or oblanceolate segments; flowers % 

 to 8 lines long.- — Subgenus Dacttlophyllum. 

 Corolla golden or cream yellow; stamens inserted on upper part of corolla-throat; S. Cal. 

 Flowers mostly in close glomcrules, subsessile to short-pedicelled (the pedicels % to 1% 



lines long) 11. L. lemmonii. 



Flowers paniculately cymose, long-pediceled (the pedicels 2 to 8 lines long) 



12. L. aureus. 

 Corolla white (sometimes pink in no. 13; blue in nos. 16 and 17). 



Stamens inserted on lower part of corolla-throat; calyx turbinate or cup-shaped; corolla 

 white (rarely pink-tinged) ; capsule-cells several-seeded. 

 Corolla 2 to 8 lines long, 2 to 3 times as long as calyx; filaments hairy at base. 



Plants diffuse, branching from the base, the branches at length dichotomous; 



foothills of North Coast Kanges and Sierra Nevada 13. L. filipes. 



Plants erect, the stem simple below, branching above, the branches mostly 



simple; widely distributed 1-1. L. liniflorus. 



Corolla % to 2 lines long, 1 to l^A times as long as calyx; filaments glabrous at base 

 (except in var.) ; capsule-cells 1-seeded (except in var.) ; North Coast 



Ranges and Sierra Nevada 15. L. harlcnessii. 



Stamens inserted about the middle or upper part of corolla-throat, glabrous, no hairy 

 ring at insertion of stamens, often a hairy ring on lower part of coroUa-tube 

 inside. 

 Corolla blue, purplish or lilac. 



Corolla 6 to 10 lines long; calyx clavate-cylindric, its lobes % to % as long as 



the tube; Coast Ranges 16. L. rattanii. 



Corolla 3 to 4 (or 6) lines long; calyx cylindric, its lobes broadly lanceolate, 



Ve to Vi as long as the tube ; Coast Ranges and Sierra Nevada 



17. L. holanderi. 



Corolla white, 1% to 2% lines long; calyx-lobes linear-lanceolate, about % to as 



long as the tube; widely distributed IS. L. pygmaeus. 



S. Flowers sessile in dense clusters or heads. 



Corolla f unnelform or tubular-funnelform, the tube as long to twice as long as throat.^Subgenus 

 Pacificus. 

 Calyx-lobes shorter than the calyx-tube, not membranous-margined; corolla-tube % to % as 



long as the corolla-lobes; outer Coast Ranges 19. L. grandiflorus. 



Calyx -lobes 3 to 4 times as long as the ealyx-tube, membranous-margined; corolla-tube longer 



than the corolla-lobes; San Diego Co 20.L.orc-itttii. 



CoroUa strictly sah-erform, the tube slender-filiform, mostly 10 to 20 times (or at least 4 or 5 

 times) as long as the throat; calyx cleft nearly to base or at least half-way. — Sub- 

 genus Leptosiphon. 

 Cal)^ not membranous or only slightly membranous below the sinuses. 



CoroUa-lobes 2% to .5 lines long, 1% to 3 lines broad; stamens inserted about middle 

 of corolla-throat, the anthers barely exserted from throat; bracts and 

 calyces coarsely ciliate or hispid-pubescent to glabra te. 

 Corolla-tube 1% to 2 times as long as calyx; corolla white to cream-color; 



capsule-cells 1 to 3-seeded; Sierra Nevada 21. L. serrulatus. 



Corolla-tube 3 to 6 times as long as calyx ; corolla white to crimson, lavender or 

 yellow; capsule-cells about 3 to 6-seeded; Coast Ranges and Santa 



Ana Mts 22. L. androsaceus. 



Corolla-lobes 1 to 3 lines long, ',4 to 1% lines broad; stamens inserted in lower part 

 of corolla-throat, exserted from corolla-throat but not as long as corolla- 

 lobes. 

 Corolla-lobes 1^4 to 3 lines long; corolla purple, pink, pale yellow or white; 

 liracts and calyces finely puberulent, the calyx-lobes sometimes ciliate ; 



mainly Coast Ranges and coastal S. Cal 23. L. parviflorus. 



Corolla-lobes 1 to 1% lines long; corolla pinkish or purplish (or white) with 

 a yellow throat, or golden; bracts and calyces often coarsely pubes- 

 cent, the calyx-lobes coarsely ciliate to nearly glabrous; cismontane 

 Cal., widely spread 24. L. bicolor. 



