62 BOTANY OF LA SALLE COUNTY. 



leaf of three leaflets and the stem beset, with 

 black, short, hair-like roots will en able any one 

 to detect this dangerous plant. Berries Y. W. 

 It causes small watery blisters to rise on the 

 skin and these breaking-, the water contained 

 causes others to rise and thus the trouble 

 spreads, hard rough scabs forming 1 on the sores, 

 which become more and more troublesome being" 

 accompanied by an intolerable itching 1 . Sug~ar 

 of lead dissolved in water and used as a wash is 

 a very g'ood remedy. The sooner it is applied 

 the better. 



Order 31. POLY GALACEAE. Polygala. Milk- 

 worts. 



POL YG ALA. Small plants with leafy, more or less 

 branching 1 stems, small leaves and small, irreg"- 

 ular flowers in compact head. 



P. polyg-ama. B. Stems smooth, many from root, 

 very leafy, 6 to 9 in., leaves narrow-oblong 1 , ob- 

 tuse, mucronate; flowers P.; Ju. J. Fields and 

 * pastures. 



P. Seneg^a. Leaves alternate, lanceolate; flowers 

 W., M. Ju., 6 to 10 in. 



P. sang-uinea. A. Leaves oblong'-linear, heads 

 dense flowered, brig-lit Rs. P. Moist sandy 

 grounds. 



P. cruciata. Stems ang-ular, almost wing-ed; leaves 

 in 4's, narrow; head short and thick, 3 to 10 in. 

 hig-h. Reddick farm. 



P. verticillata. Much branched; stem leaves in 

 whorls, those of branches scattered; lineals, 

 acute, flowers small, G. W. or P. tingfed; 6 to 

 10 in. Dry lands. 



Order 32. LEGUMINOSAEA. Peas. 



Flowers of 5 unequal petals, the upper called 



