POLEMONIACEAE. 277 



Calyx and inflorescence glandular-puberulent, not long-hairy. 



8. G. aggregate. 

 Calyx and usually also the inflorescence with long white flat hairs 

 as well as glandular-puberulent. g. G. pulchella. 



Calyx very scarious at the angles ; its teeth shorter than the tube ; 

 corolla-lobes acute. lo. G. scariosa. 



Corolla-lobes rounded or obtuse at the apex ; corolla white. 



II. G. Candida. 

 Inflorescence open and inclined to be flat-topped. 



Corolla-tube 3-4 cm. long; its lobes obtuse. 12. G. longifiora. 

 Corolla-tube 1.5-2.5 cm. long; its lobes acute. 13. G. laxiflora. 

 Corolla-tube less than i cm. long. 

 Stamens exserted ; corolla salverform. 



Divisions of the leaves all linear-filiform, not wider than the rachis ; 



corolla about i cm. long. 14. G. polyantha. 



Divisions at least of the lower leaves obovate or oblong, much broader 

 than the rachis; corolla 5-7 mm. long. 15. G. pinnatifida. 



Stamens not exserted ; corolla more or less funnelform. 

 Corolla 7-12 mm. long; plant leafy throughout. 



Corolla-tube distinctly exserted from the calyx ; leaves mostly basal or 



the stem-leaves reduced. 16. G. sinuata. 



Corolla-tube scarcely exserted from the calyx ; plant more leafy. 



17. G. inconspicua. 

 Corolla 4-5 mm. long. 



Plant leafy only at the base ; divisions short and broad ; corolla about 



twice as long as the calyx. 18. G. subacaulis. 



Plant leafy throughout ; divisions of the leaves narrow, filiform ; 

 corolla only slightly exceeding the calyx. 19. G. minutiflora. 

 Leaves entire or the lower ones toothed or lobed. 

 Basal leaves toothed or lobed. 

 Flowers i cm. long or more. 



Stem-leaves oblanceolate, often toothed ; stem rather stout ; capsule 5 



mm. long, acute. 20. G. Crandallii. 



Stem-leaves lanceolate-subulate, entire ; stem very slender ; capsule 3.5 

 mm. long, obtuse. 21. G. Haydeni. 



Flowers less than i cm. long. 22. G. leptomeria. 



Basal leaves entire. 



Basal leaves oblanceolate or spatulate. 



Leaves petioled ; corolla much exserted. 23. G. pentstemonoides. 



Leaves sessile, fleshy ; corolla scarcely exserted. 24. G. sedifolia. 

 All leaves filiform or the lower 3-parted with filiform lobes. 



19. G. minutiflora. 



1. Gilia spergulifolia Rydb. On dry hills in Wyo. and Colo, to Utah. — 

 Arboles. 



2. Gilia spicata Nutt. On dry hills from Neb. and Wyo. to Colo, and 

 Utah. — Alt. 4000-10,000 ft. — Headwaters of Clear Creek; Livermore, Larimer 

 Co. ; Turkey Creek and tributaries ; mesas near Pueblo ; Ft. Collins ; plains, 

 Larimer Co. ; Morrison ; Tobe Miller's ranch ; mountains between Sunshine 

 and Ward. 



3. Gilia cephaloidea Rydb. On dry hills from Mont, to Colo. — Alt. 11,000- 

 12,000 ft. — Mountains above Como ; above Boreas. 



4. Gilia iberidifolia Benth. In " bad lands " and on dry hills from S. D. and 

 Mont, to Colo, and Nev. — Alt. 5000-7500 ft. — Grand Junction ; Dolores. 



5. Gilia roseata Rydb. In arid soil, western Colo. — Grand Junction. 



6. Gilia pumila Nutt. In dry soil from Wyo. to western Texas and 

 Ariz. — Alt. 5000-7000 ft. — Mancos ; Grand Junction ; Apishipa Creek, Otero Co. 



