622 
G, Polemonium Le Jacob's Ladder, 
srecs verennial herbs with alternate pinnate leaves, Flowers 
showy, blue, in terminal sometimes panicled cymes, Calyx green, not 
scarious below the sinuses or ii so, but little, accrescent, not distended 
by the cansule. vorolla subcampanulete. Yilanents ecually inserted on 
the corolla tube, hairy at the base, Capsules globose; secds mostly 1 
in each chamber, 
) 4 4 
nn Ae) Lb ha = Ute 7 : 
O Leaflets c-12 ima, long, Core, rat purp |. Pe pulcherrimm 
—_— 
O Leaflets 1-4 cm, long 
2 stems 20-50 cm, tall, corolla whitish or 
(, vale blues; anthers vhite 2 Pe columbianum 
— 
© stems 60-100 cu, tall; corclla violet blue, 
G whitish in che tube; anthers yellow 3 Pe. occidentale 
le Pe pulcherrimum look, rretty perennials 5-50 cm, tall with l-several 
slender ascending stems, glandular-pubescent; basal leaves few to numerous, 
3-15 cm, long, with 8-10 pairs of lesflets, cauline leaves similar; petioles 
ev-4 om, long; leaflets mostly elliptical, but obtuse at both ends, rotund 
on small plants, e-le ma. long, all glandular-pubescent; cymes few-flowered, 
on vedicels 2-5 mn, long, accrescent; calyx glandular-pubescent, 35-4 mm, long, 
campanuloate, the lobes subequal to the tube, oblong-lanceolate, obtuse; 
corolla blue, striate with vburple, yellow in the tube, 8-10 ma, long, she 
lobes obovate, emarginate, subcqual to the tubes; stamens 6-7 ma, long; 
capsule 5 ma, long, subgloboses secds deev mahogany brovm, 1.6 mm, long, glossy. 
In rock crevices and gravelly soil at high elevations, Snowy Top lit,, 
6000-7400 ftes St. Joe Rj; Continental }%t., Christ 1680, 
