34 LEAFLETS. 



inch long, more than % inch wide : peduncles bracteolate 

 near the flower, the bractlets long, narrowly linear, herba- 

 ceous : sepals large for the corolla, lanceolate, acutish ; corolla 

 barely M inch long including the not very long but obtuse 

 and slightly upturned spur, purple, the limb of each petal 

 retuse or emarginate. 



La Barge, Uinta Co., Wyoming, 27 May, 1894, E. Steven- 

 son. Type in U. S. Herb. 



Viola tidestromii. Caulescent, low, only 3 or 4 inches 

 high, with peduncles scarcely, or barely, equalling the leaves ; 

 herbage deep rather dull green, appearing glabrous, under 

 a lens showing traces of a scaberulous pubescence : lowest 

 leaves apt to be broader than long and subcordate, those 

 larger and later almost orbicular, less than 1 inch wide, very 

 obtuse, tapering to the petiole at the otherwise truncate or 

 subcordate base, very plainly crenate : peduncles with large 

 linear herbaceous bractlets above the middle, and opposite : 

 sepals rather broadly linear, not acute : corolla light-violet, M 

 inch broad and well rounded, all the petals equal and obtuse ; 

 spur short, thick, obtuse. 



Wasatch Mountains, Utah, in a low place near Ephraim 

 Creek, 11 June, 1908, Ivar Tidestrom. 



Viola oxysepala. Thin and delicate member of the 

 V. adunca group, 4 to 6 inches high, the flowers borne rather 

 far above the foliage ; herbage wholly glabrous : leaves small, 

 cordate to oval, the earlier acutish, none any more than 

 faintly crenate, the petioles long and slender : peduncles 

 greatly elongated, almost filiform, bracteolate not far below 

 the flower, bractlets very narrowly subulate, not opposite : 

 sepals subulate-lanceolate, very acute, dark-green, veinless : 

 corolla small for the group, pale, the petals all narrow ; spur 

 long, thick, curved upwards and obliquely acutish. 



Wasatch Mountains, on slopes between Willow Creek and 

 Ephraim Creek canons, 15 July, 1909, Ivar Tidestrom. 



