BOTANY OF LA SALLE COUNTY. 135 



noon, 1 in. dia. ; Ju. Later the flowers have no 

 petals. 6 to 15 in. Dry sandy loams. 



A. Minor erect, with numerous slender, 

 spreading 1 branches, leaves linear, flowers small, 

 brown, in loose racemes, 8 to 12 in., leaves very 

 narrow, y& in. long 1 , hairy. 



Order 14. VIOLA GEAR. Violets. 



Herbs with an irregular 5 petaled corolla, one of 

 the petals more or less spurred at base, stamens 

 5 close around the ovary and sometimes united. 

 Leaves alternate with stipules. 

 VIOLA. P. Violets. Hearts Ease. 



Sepals forming- ears; petals unequal, the lower 

 one-spurred at base; stamens 5 closely surround- 

 ing 1 the ovary or united. 



V. peda ta. Birdfoot -Violet. Leaves 3 to 5 parted, 

 lateral divisions 2 to 3 parted. All long 1 , narrow, 

 often wider it apex than at base and sometimes 

 toothed; flowers larg-e, 1 in. broad, pale to deep 

 lilac or blue. May. Sandy banks. 



Var. bi color. The two upper petals deep V. and 

 velvety. 



V. pedatifl da. Leaves all palmately 5 to 7 parted; 

 divisions 2 or 3 cleft; lobes linear; flowers large, 

 blue. Dry soils. 



V. palmata. Common Blue Violet. Leaves round- 

 ish-cordate, crenate; sides rolled inward when 

 young 1 , later often lobed, the lobes obovate to 

 linear: B. Poor lands. 



Var. cuculla ta. Later leaves not lobed. 



V. sagfittata. Arrow-Leaved Violet. Leaves long-, 



~ O ' 



obtuse, eared at base, dentate. Sometimes 



arrow-shaped, etc., on more or less margined 



petioles; flowers Y?. in. broad. P. B. Dry lands. 



V. lanceola ta. White Violet. Lance-leaved violet. 



