voi,. 2] Mil liken. Californian Polemoniaceae . 23 



i 



in G. multicaulis and related species, the calyx grows considerably 

 with the fruit, and may not be split by it. In the subgenus 

 Aegochloa there is irregularity in the corolla. 



KEY TO THE SPECIES. 



A. Subgenus Microsteria. Leafy to the top; flowers in pairs or a few 



in a cluster; corolla tubular-funnelform, not exceeding one-half 

 inch. 



a. Leaves all entire, lower opposite; flowers in pairs on unequal 



pedicels. 1. G. gracilis. 



b. Leaves all entire; plant not exceeding three inches; flowers two 



to several in a cluster; calyx densely white -pubescent. 



2. G. depressa. 



c. Leaves alternate, variously lobed and divided ; flowers in small 



clusters, corolla purple, tubular-funnelform. with very small 

 lobes. 3. G. gilioides. 



d. Leaves alternate, variously lobed and divided; corolla white, 



salverform to funnelform, limb as broad as long, equalling the 

 tube. 4. G. Traskiae. 



B. Subgenus Eugilia. Larger leaves at the base, becoming inconspicu- 



ous and bract -like toward the top; flowers single in an open 

 panicle. 



a. Base leaves once or twice pinnatifid, with narrow rachis ; corolla 



tube rarely exceeding the calyx, throat and lobes broad and 

 short. 5. G. latiflora. 



b. Leaves nearly one inch broad, ovate -spatulate with dentate 



margins. 6. G. latifolia. 



c. Base leaves usually twice pinnatifid, with narrow rachis, pedicels 



mostly shorter than the flowers; corolla funnelform, tube 

 slender, attenuated. 7. G. tenuiflora. 



d. Leaves mostly entire, less than one line wide ; corolla dark 



purple. 8. G. leptalea. 



e. Leaves all entire, filiform ; corolla yellow. 9. G. filiformis. 



f. Leaves mostly entire, not concentrated at the base; corolla white. 



10. G. capillaris. 



g. Leaves in basal cluster, strap-shaped with few teeth; corolla 



large, funnelform, dark purple. 11. G. Davyi. 



h. Leaves in basal cluster, strap -shaped with few teeth; corolla 



minute. 12. G. Itptomeria. 



i. Leaves in basal cluster, once or twice pinnatifid, corolla about 



twice the calyx, white to purple. 13. G. inconspicua. 



j. Even the upper leaves pinnatifid; corolla tube yellow, lobes deep 



blue. 14. G. diffusa. 



k. Base leaves once pinnatifid, pinnae obtusish; corolla yellow, 



tubular-funnelform. 15. G. ochroleuca. 



C. Subgenus Capitata Leaves twice or thrice pinnately divided into 



linear divisions, not concentrated at the base; flowers in more 

 or less dense clusters on naked peduncles. 



