PRUNUS 



P. amygdalus communis. Flowering Almond. (M) Beautiful shrub, 

 whose branches are covered in May with double flowers. 



P. amygdalus communis, var. alba flore pleno. White. 



P. amygdalus communis, var. rosea flore pleno. (M) Pink. 



P. maritima. Beach Plum. (S) One of the best shrubs for bleak ex- 

 posures and seashore planting. Grows well in sandy soil, and the white flowers 

 in April are followed by bright crimson or purple fruits. 



P. triloba. Double- flowering Plum. (M) A spreading bush of vigor- 

 ous growth, bearing in early spring, before the leaves, beautiful light pink, 

 very double flowers. A charming shrub. See also Trees. 



PYRUS. Chokeberry 



P. arbutifolia. Chokeberry. (L) A vigorous, densely branched shrub 

 with good foliage. In May it is covered with clusters of delicate white flowers, 

 and the red fruits that follow hang in showy clusters throughout the winter. 

 The foliage colors in autumn to shades of red and crimson. See plate, page 88. 



P. floribunda. Red Chokeberry. (L} An upright grower; flowers 

 white, tinged with red, and followed by bright red fruits. 



P. floribunda, var. nigra. Black Chokeberry. (M) Similar to the fore- 

 going, but with deep glossy black fruits. 



RHAMNUS 



R. cathartica. Buckthorn. (M) A stiff, twiggy bush, with dark 

 green foliage and white flowers in June and July, followed by showy black 

 fruits. An excellent hedge plant. 



RHODOTYPOS 



R. kerrioides. White Kerria. (M} A handsome shrub with good foli- 

 age and snowy white flowers in late May, followed by showy black seeds. 



RHUS 



R. aromatica. Fragrant Sumac. (M) A spreading bush with thick 

 foliage, which is fragrant when crushed. The pale yellow flowers are borne 

 in dense spikes in May and followed by orange-red berries in midsummer. In 

 autumn the foliage turns dark crimson. 



R. copallina. Shining Sumac. (S) A dense grower, with rich, shining 

 dark green foliage, which turns to brilliant shades of red in the fall. The 

 yellowish flowers in July and August are borne in dense panicles and followed 

 by showy heads of scarlet seed. It is the latest of the Sumacs to flower. 



R. cotinus. Mist, or Smoke Tree. (L) A vigorous, bushy grower, with 

 good foliage, bearing large panicles of purplish feathery flowers in June. The 

 foliage in autumn turns to shades of reddish brown and yellow. See plate on 

 page 93. 



R. cotinus, var. atropurpurea. Purple Mist. (Z,) A form with flowers 

 of a deep reddish purple. Distinct and showy. 



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