162 ROSE FAMILY. 



* * Wild species, with some of the leaves irregularly cut-toothed, or even 

 lobed; flowers bright rose-colored, and the fruit greenish. 



P. coronaria, Linn. American or Garland Crab Apple. Glades 

 from W. N. Y. to Mich, and S. and sparingly W. ; small tree, soon 

 smooth, with the mostly triangular ovate leaves rounded or obscurely 

 heart-shaped at base and inclined to be 3-lobed, on slender smooth 

 petioles ; flowers on long, smooth pedicels ; fruit bright green, flattened 

 lengthwise. 



P. Ioe'nais, Bailey. Western Crab Apple. Leaves oblong or obo- 

 vate-oval, variously notched and toothed, the lower surface as well as the 

 petioles, short pedicels and young growth, white-pubescent ; fruit spheri- 

 cal or oblong, dull green with minute light dots. There is a double- 

 flowered variety. W. of Great Lakes. 



P. angustifolia, Ait. Narrow-leaved Crab Apple. Leaves lance- 

 oblong or elliptic and small, almost entire or bluntly and sparsely dentate, 

 obtuse or nearly so, thick, shining above, on short, smooth petioles; 

 flowers rather small, on smooth pedicels. From Penn. S. and W. 



§3. Chokeberrt. Leaves simple, the upper face with some small glands 

 along the midrib ; flowers (white) in compound cymes terminating the 

 branches; styles united at base; fruit berry-like. 



P. arbutifblia, Linn. Common Chokeberrt. Woods and bogs, N. ; 

 low, spreading shrub with oblong or oblanceolate serrate leaves, acute or 

 acuminate and pubescent below, and a scarlet or light purple fruit which 

 clings to the branches after the leaves fall. 



Var. melanocarpa, Hook (or P. nIgra, Sargent), has broadly 

 obovate nearly smooth leaves, earlier flowers, and black fruit which soon 

 falls. 



§ 4. Rowan Tree or Mountain Ash. Leaves odd-pinnate, of several 

 (9-17) leaflets; flowers (numerous and white) in ample, compound, flat 

 cymes terminating the branches of the season ; fruit berry-like, scarlet- 

 red when ripe. Trees often planted for ornament, especially for the 

 clusters of showy fruit in autumn. 



P. Americana, DC. American Mountain Ash. Slender tree or tall 

 shrub, wild in the cooler districts ; smooth or soon becoming so, with 

 lanceolate taper-pointed and sharply serrate bright-green leaflets on a 

 reddish stalk, pointed and smooth glutinous leaf-buds, and berries not 

 larger than peas. 



P. sambucifolia, Cham. & Schlecht. Elder-leaved R. or M. Wild 

 along the northern frontiers ; smooth or nearly so, with oblong or lance- 

 ovate and blunt or abruptly short-pointed leaflets, coarsely serrate with 

 more spreading teeth, sparingly hairy leaf-buds, and larger berries. 



P. Aucuparia, Gsertn. European R. or M. Commonly planted from 

 Eu. ; forms a good-sized tree, with oblong and obtuse paler leaflets, 

 their lower surface, stalks, and the leaf-buds downy; and the berries 

 larger (£' in diameter). 



§ 5. Quince. Leaves simple ; flowers either single upon the ends of leafy 

 shoots, or in small, sessile clusters, white or red; fruit more or less 

 pyriform, the 6 cells normally several or many-seeded. Small trees or 

 bushes. 



P. Cydonia, Linn, (or Cyd&nia vulgaris). Common Quince. From 

 Eu. ; a small bushy tree with soft, oval, entire leaves which are tomentose 

 below, and very large flowers terminating short leafy shoots, and woolly 

 fruits. (Lessons, Fig. 112.) 



P. Jap6nica, Thunb. Japan Quince (also named Ctd6nia Jap6nioa). 

 Thorny, smooth, widely branched shrub from Japan ; cult, for the large 



