PIPER FLORA OF THE STATE OF WASHINGTON. 459 



Range: Washington to California. 



Specimens examined: Wenache, Whited 1069; Kittitas Valley, Lyall, June 1860; west 

 Klickitat County, Suksdorf, May 18, 1886 and 2208; Chelan Butte, Griffiths & Cotton 

 184; Umtanum Ridge, Co</o» 918. 



Zonal distribution: Arid Transition. 



GILIA. 



Shrubs; corolla salverform, yellow; leaves acerose. 



Leaves straight la. G. pungens hookeri. 



Leaves recurved lb. G. pungens squarrosa. 



Herbs. 



Perennials or biennials. 



Flowers in an elongate panicle; corolla large, tubular- ^ 



funnelform, usually scarlet 10. G. aggregata. 



Flowers in corymbs or heads, rather small, white or 

 whitish. 



Leaves palmately 3 to 7-parted; flowers in cor- 

 ymbs 8. G. nuUaUii. 



Leaves pinnately 3 to 9-divided; flowers in heads.. 9. G. congesta. 

 Annuals. 



Leaves or some of them opposite. 



Lower leaves dissected like the upper, into fili- 

 form segments, all opposite. 



Flowers in a capitate leafy cluster; corolla 10 



to 12 mm. long 2. G. bicolor. 



Flowers scattered, on slender pedicels. 



Corolla almost rotate, 8 to 10 mm. 



broad 3. G. pharnaceoides. 



Corolla tubular-funnelform. 



Ovules solitary in each cell, corolla 



whitish, 3 mm. long 4. G. harknessii. 



Ovules 2 to 5 in each cell, corolla 



purplish, 12 mm. long 5. G. holanderi. 



Lower leaves opposite, the upper alternate, botli 

 entire. 



Stems simple below; flowers 8 to 10 mm. 



' long 6. G. gracilis. 



Stems branched from the base; flowers 5 to 



7 mm. long 7. G. humilis. 



Leaves all alternate. 



Herbage woolly; flowers pale blue, clustered 11. G.Jilifolia. 



Herbage not woolly. 



Leaves not in a basal rosette. 



Flowers blue, in dense globose clusters on 

 long naked peduncles; leaves dissected 

 into filiform segments. 



Calyx glabrous; corolla 8 to 10 mm. 



long 12 G.capitnta. 



Calyx woolly; corolla 10 to 12 mm. 



long 13. G. achilleaefolia. 



Flowers scattered; leaves filiform, mostly 

 entire. 



Branches elongate, erect; corolla 



blue ; pedicels short 14. G. minidiflora. 



