.'i~ COMMON CANADIAN' V*IM> I'LANTS. 



yellow, droopiny on slender holri/ p< <//<< /* } appearing at the same 

 time as the leaves. Calyx fringed on the margin. Var. nigrum, 

 Torr. and Gray, may be distinguished from the ordinary form by 

 its paler and more pubescent leaves. Rich woods. 



4. A. dasycar'pum, Ehrhart. (WHITE or SILVER M.) Leaves 

 deeply 5-lobed, the sinuses rather acute, silvery-white under- 

 neath, the divisions narrow, sharply- toothed. Flowers in erect 

 clusters, greenish -yellow, appearing much before the lea IT* ; petals 

 none. Samara very large, woolly ivhen young. River-banks and 

 low grounds. 



5. A. ril'brum, L. (RED M. ) Leaves 3-5-lobed, the sinuses 

 acute. Flowers red, appearing much before the leaves. 1'itnl* 

 linear -oblong. Samara small and smooth, on drooping pedicels. 

 A smaller tree than No. 4, with reddish twigs, and turning bright 

 crimson in the autumn. Swamps. 



ORDER XXX. POLYGALA'CEJE. (MILKWORT FAMILY.) 



Herbs with entire exstipulate leaves, and irregular hypogynous 

 flowers. Stamens 6 or 8, monadelphous or diadelphous, the 

 anthers 1 -celled, and opening at the top by a pore. Pod 2-celled 

 and 2-seeded, flattened contrary to the partition. The only genus 



with us is 



POLYG'ALA, Tourn. MILK- WORT. 



Sepals 5, the upper one and the two lower ones small and often 

 greenish, the 2 lateral ones (called wings) larger and coloured 

 like the petals. Petals 3, connected with each other and with 

 the tube of filaments, the lower one keel-shaped, and usually 

 fringed or crested at the top. Style prolonged and curved. 



1. P. verticilla'ta, L. Flowers small, greenish-white, in 

 slender spikes. Stems 4-8 inches high, much branched. S'tcm- 

 leaves linear, 4~5 in a whorl, the upper ones scattered. Dry soil. 



2. P. Sen'ega, L. (SENECA SNAKEROOT.) Flowers greenish- 

 white, in a solitary cylindrical close spike. Stems several, from 

 a hard knotty rootstock, 6-12 inches high. Leaves lanceolate, 

 with rough margins, alternate. Dry hill-sides and thickets. 



3. P. polyg'ama, Walt. Flowers rose-purple, showy, fringed, 

 in a many-jloivered raceme. Stamens 5-8 inches high, tufted ,-ind 



