74 COMMON CANADIAN WILD PLANTS. 



beneath. Flowers in compound cymes. Fruit berry-like, 

 nearly globular, dark red or purple. Swamps. 



Var. melanoear'pa, Hook., is nearly smooth throughout, 

 and has large black fruit. Swamps. 



3. P. Ameriea'na, DC. (AMERICAN MOUNTAIN- ASH.) A 

 small tree with odd- pinnate leaves of 13-15 leaflets, the latter 

 lanceolate, taper-pointed, sharply serrate, bright green. 

 Fruit scarlet, berry-like, not larger than peas. Flowers in 

 flat cymes. Swamps and cool woods, northward. 



4. P. sambueifo'lia, Cham, and Schlecht., differs from 

 the last in having oblong, oval or lance-ovate, obtuse leaf- 

 lets, smaller cymes, and larger flowers and berries. N.W. 



17. AMELAN'CHIER, Medic. JDNE-BERHY. SASKATOON-BEERY. 



1. A. Canadensis, Torr. andGray. (SHADBUSH. SERVICE- 

 BERRY.) A tree 10-30 feet high, with a purplish, berry-like 

 edible fruit. Leaves ovate to ovate-oblong, slightly cordate, 

 pointed, very sharply serrate, nearly or soon glabrous. 

 Bracts and stipules silky-ciliate. Flowers large, in drooping 

 nearly glabrous racemes. Petals oblong. Pedicels of the 

 berries long. Open woodlands. 



Var. rotundlfolia, Torr. and Gray, has broader leaves. 



Var. Oblongifolia, Torr. and Gray, is a small tree (6-10 

 feet), with the young leaves and racemes densely white- 

 tomentose. Leaves broader and generally rounded at the 

 base. Flowers in shorter and denser racemes, and pedicels 

 of the fruit shorter. Petals oblong - spathulate. Low 

 grounds. 



2. A. oligoearp'a, Roam. A shrub 2-4 feet high. Leaves 

 thin, oblong, acute at both ends. Petals oblong-obovate. 

 Fruit dark purple with a dense bloom. Cold swamps. 



3. A. alnifolia, Nutt. A shrub 3-8 feet high. Leaves 

 mostly broadly elliptical and obtuse, coarsely toothed to- 

 wards the apex. Raceme short and rather dense. Petals 

 wedge-shaped-oblong. N. "W . prairies. 



