ROSACEiE. 65 



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

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

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

 purplish. — Eiver-banks. 



2. S. salieifO'lia, L. (Commoit 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 lyC.), with deep rose-coloured 

 ilowers, 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. GILLE'XIA, Moencli. Indian Physic. 

 G. trifolia'ta, Mosnch. (Bowman's Eoot.) Herb with 

 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. — 

 Eich woods, chiefly south-westward. 



4. ACiKIIUO'NIA, Tourn. AGRIMONY. 



1. A. EupatO'ria, L. (Oommon Agrimony.) Stemherba-- 

 eeous, 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 - floweeed A.),- has 

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

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



5. ALCHEMIL'LA, Tourn. LADY'S Mantlh. 

 A. vulga'pis, L., Leaves large, several-lobed, serrate. 

 Flowers small, yellowish-green, in corymbose terminal 

 clusters. — Atl. sea-coast. 



c. POTE'RIIIM, 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. 



