! ! COMMON CANADIAN WILD PLANTS. 



4. R. occid entails, L. (BLACK RASPBERRY.) Stem 

 recurved, armed with hooked prickles. Leaflets 3, ovate, pointed, 

 coarsely serrate, white-downy beneath. Fruit purplish-black. 

 Borders of fields, especially where the ground has been burned 

 over. 



5. R, villo'sus, Ait. (HIGH BLACKBERRY.) Stem shrubby, 

 furrowed, erect or reclining, armed with hooked prickles. Leaf- 

 lets 3-5, unequally serrate, the terminal one conspicuously 

 stalked. Lower surface of the leaflets hairy and 



Flowers racemed, numerous, large and white. Fruit 

 black. Var. frondosus is smoother and less glandular. \ ar. 

 humifuSUS is trailing and smaller, and the flowers are less 

 numerous. Borders of thickets. 



6. R. Canaden'sis, L. (Low BLACKBERRY. DEWBERRY.) stem 

 shrubby, extensively trailing, slightly 2?rickly. Leaflets chiefly 3, 

 oval or ovate-lanceolate, nearly smooth, sharply serrate. Flowers 

 in racemes. Thickets and rocky hills. 



7. R. his'pidus, L., (RUNNING SWAMP BLACKBERRY) occurs 

 occasionally in low meadows. Stem prostrate, with small reflexed 

 pric.kles, sending up at intervals the short flowering shoots. 

 Leaflets mostly 3, smooth and shining. Fruit of few grains, red 



or purple. 



11. ROSA, Tourn. ROSE. 



* Styles separate ; included within the calyx-tube. 



1. R. Caroli'na, L. (SWAMP ROSE.) Stem 4-8 feet high, erect, 

 armed with stout hooked prickles, but no bristles. Leaflets 5-9, 

 finely serrate. Flowers in corymbs, numerous. Calyx and ijhbulur 

 calyx-tube beset with i/lantlular bristles. Wet places. 



2. R. lu'cida, Ehrhart. ( DWARF WILD ROSK.) Stem 1-2 feet 

 high, armed with slender a/t/i<>*f xtr<ti<jJil prickles, and bristles. 

 Leaflets 5-9, finely serrate. Peduncles 1-3-flowered. ('n ///.>-///< 

 bristly, but the tube in fruit nearly smooth. Dry soil, or borders 

 of swamps. 



3. R. blanda, Ait. (EARLY WILD ROSK.) Stem 1-3 feet high, 

 Prickles few and srnl/< rl, xtraiijhl. Lr;illets ~> 7. Peduncles 1-3- 

 floivcrcd. Calyx and fruit xmim/li, the lobes of the calyx erect and 

 connivent in fruit. Dry woods and fields. 



