258 Contributions to Western Botany. [zoe 



central Utah northward to British America. It also occurs in 

 the Uinta Mountains, but does not seem to exist in Nevada or 

 westward. June to August. At high elevations it hybridizes wath 

 A. cc^nilca, the flowers being intermediate in size wdth shorter 

 ,^and stouter spurs than ccerulea, whitish or tinged with blue. 



-I — f— Stems ve?y short or none; floicers blue, small, one-half 

 incJi wide or less, spurs somewhat hooked, two lines or 

 less long-, shorter than the limb of the petal. 



t^ A. brevistyla, Hooker. Flora Bor. Am. i, 24. Stems six 

 inches high or less, densely tufted, not surpassing the leaves, 

 stem leaves petioled and scarcely differing from the others, 

 pedicels two to three inches long, very slender; sepals oval and 

 very obtuse and green to lanceolate, acute, and colored, four 

 lines long, three lines wide; limb of petal oblong, yellow, a little 

 shorter than the sepals and a little longer than the stamens; 

 carpels about an inch long, and styles in fruit two lines long, 

 anthers narro-wly oval and very small. 



High Alpine regions in meadows, Colorado and northward to 

 the Arctic regions. Not seen in Utah or westward. 



-&' 



A.Jonesii, Parry Am. Nat. 8, 211. Named for Captain Jones. 

 Monocephalous, peduncle two to three inches long; leaves all 

 crowded and common petiole absent or nearly so; leaflets small, 

 obovate, entire, nine; spur almost obsolete. Probabh- a form of 

 the above. 



Summit of Phlox Mountain, Wyoming. 



7^ vr Limb of petal not dilated above, visually with a very short, 

 triangular tip or narrozver, styles four lines long, 

 flowers red, rarely yellow, at least the tip of the limb of 

 the petal yellow orivhite, acute to nearly trtcncate, sepals 

 acute, stamens zisiially much surpassing the petals, sp2irs 

 rather stout, generally somexvhat hooked, nectary large, 

 flozvers nodding, one to one and one-half inches ivide, 

 tall plants. >j RubesceJites. 



A. Canadensis I,. Spurs one-half to twice longer than sepals, 

 three-fourths to one inch long; sepals ovate one-half inch long; 

 petal limb oblong to nearly square, four lines long, two to three 



