ROSACES. 65 



in thin layers. Leaves broadly ovate or cordate, 3-lobed, 

 doubly crenate, smooth. Flowers white, in umbel-like 

 corymbs terminating the branches. Policies 2-5, inflated, 

 purplish. River-banks. 



2. S. salieifo'lia, L. (COMMON MEADOW-SWEET.) Shrub 

 2-3 feet high, nearly smooth. Leaves wedge-lanceolate, 

 doubly serrate. Flowers white or rose-coloured, in a dense 

 terminal panicle. Low grounds along streams. 



3. S. tomento'sa, L. (DOWNY M.), with deep rose-coloured 

 flowers, and the stems and under surface of the leaves 

 densely woolly, occurs eastward toward the sea-coast, and 

 in the northern counties of Ontario. 



3. <;iLLE'\I A, Moench. INDIAN PHYSIC. 



G. trifolia'ta, Moench. (BOWMAN'S BOOT.) Herb witt 

 3-foliolate leaves ; the leaflets ovate-oblong, pointed, rather 

 coarsely serrate ; stipules small, awl-shaped, entire. Flow- 

 ers white or rose-coloured, in loose few-flowered corymbs. 

 Rich woods, chiefly south-westward. 



4. AGRIMO'NIA, Tourn. AGRIMONY. 



1. A. Eupato'ria, L. (COMMON AGRIMONY.) Stem herba- 

 ceous, hairy, 2-3 feet high. Leaves interruptedly pinnate, 

 larger leaflets 5-7, oblong-ovate, coarsely serrate. Petals 

 yellow, twice as long as the calyx. Borders of woods. 



2. A. parviflo'ra, Ait. (SMALL - FLOWERED A.), has 

 crowded lanceolate leaflets, 11-19, with smaller ones inter- 

 mixed, and small petals. S. W. Ontario. 



5. ALCIIEMIL'LA, Tourn. LADY'S MANTLB. 

 A. VUlga'ris, L. Leaves large, several-lobed, serrate. 

 Flowers small, yellowish-green, in corymbose terminal 

 clusters. Atl. sea-coast. 



6. POTE'RIOI, L. BURNET. 



P. Canadense. Stamens 4, long-exserted, white. Stem 

 3-6 feet high. Leaflets numerous, heart-shaped, ovate or 

 oblong-lanceolate, coarsely serrate. Bogs and wet mea- 

 dows, Atl. Prov. 



