40 COMMON CANADIAN WILD 1'LANTS. 



diameter; and ovate, conspicuously pointed, serrate, veiny leaves. 

 Flowers white, appearing before the leaves, in umbel-like lateral 

 clusters. Woods and river-banks. 



2. P. pu'mila, L. ( DWARF CHERRY.) A small trailing shrub, 

 6-18 inches high. Leaves obovate- lanceolate, tapering to the 

 base, toothed near the apex, pale beneath. Flowers in umbels 

 of 2^, appearing with the leaves. Fruit ovoid, dark red, as 

 large as a good-sized pea. Sandy or gravelly soil, along the 

 Great Lakes. 



3. P. Pennsylva'nica, L. (WILD RED CHERRY.) A tree 20- 

 30 feet high, or shrubby. Leaves oblong-lanceolate, sharply 

 serrate, green both sides. Flowers (appearing with the leaves) 

 in large clusters, the pedicels elongated. Fruit globular, as large 

 as a red currant, very sour. Rocky thickets, and in old windfalls. 



4. P. Virginia'na, L. (CHOKE- CHERRY.) A good-sized shrub, 

 3-10 feet high. Leaves oval, oblong, or obovate, finely and 

 sharply serrate, abruptly pointed. Flowers in short erect racemes, 

 appearing after the leaves. Fruit red, becoming darker, very 

 astringent. Woods and thickets. 



5. P. sero'tina, Ehrhart. (WILD BLACK CHERRY.) A large 

 tree, with reddish-brown branches. Leaves smooth, varying 

 from oval to ovate-lanceolate, taper-pointed, serrate, with short 

 arid blunt incurved teeth, shining above. Flowers in long 

 racemes. Fruit purplish-black, edible. Woods and thickets. 



2. SPIR^'A, L. MEADOW-SWEET. 



1. S. opulifolia, L. (Neillia opulifolia, Benth. and Hook., in 

 Macoun's Catalogue.) (NiNE-BARK.) Shrub 3-7 feet high, the 

 old bark separating in thin layers. Leaves broadly ovate or 

 cordate, 3-lobed, doubly crenate, smooth. Flowers white, in 

 umbel-like corymbs terminating the branches. Follicles 2-5, 

 inflated, purplish. River-banks. 



2. S. salicifo'lia, L. (COMMON MEADOW-SWEET.) Shrub 2-3 

 feet high, nearly smooth. Leaves wedge-lanceolate, doubly ser- 

 rate. Flowers white or rose-coloure(f, in a dense, terminal 

 panicle. Low grounds along streams. 



