5l6 FLORA. 



base. In thickets and woods, Me. to N. J. and Penn., escaped from cultivation. 

 Native of Europe and Asia. April-May. 



3. MALUS Hill. 



Trees or shrubs, with toothed or lobed leaves, and pink or white flowers in 

 simple terminal cymes. Calyx-tube urn-shaped or campanulate, 5-lobed. Petals 

 5, rounded, clawed. Styles 2-5 (usually 5). united at the base; ovules 2 in each 

 cavity ; carpels papery or leathery. Fruit a pome, usually depressed-globose, 

 mostly hollowed at the base. [Greek, apple.] About 15 species, natives of the 

 north temperate zone. Besides the following, another occurs in northwestern Am. 



Leaves glabrous, at least when mature. 



Leaves oblong, lanceolate or oval, narrowed at the base. 1. M. angustifolia. 



Leaves ovate, cordate or rounded at the base. 2. M. coronaria. 



Leaves persistently pubescent or tomentose beneath. 



Leaves mostly narrowed at the base ; pome 2-4 cm. in diameter. 



Pedicels slender, 2-4 cm. long. 3. M. Ioensis. 



Pedicels stout, 1-2.5 cm - l° n g- 4- M. Soulardi. 



Leaves rounded or subcordate at the base ; pome 5-10 cm. in diameter. 



5. M. Mains. 



I. Malus angustifolia (Ait.) Michx. Narrow-leaved Crab Apple. (I. F. f. 

 1978.) A small tree. Leaves oblong, oblong-lanceolate or oval, thick, shining and 

 dark green above, sometimes pubescent beneath when young, dentate or often en- 

 tire, 2-5 cm. long; cymes tew-flow-ered; pedicels 2-4 cm. long, slender; flowers 

 pink, fragrant, mostly less than 2.5 cm. broad; pome about 2.5 cm. in diameter. 

 In thickets, N. J. to 111., Kans., Fla. and La. March-May. 



2. Malus coronaria (L.) Mill. American Crab Apple. (I. F. f. 1979.) 

 A small tree. Leaves petioled, ovate to trangular-ovate, sparingly pubescent be- 

 neath when young, sharply serrate and often somewhat lobed, ovate, acute or 

 acutish at the apex, 2-8 cm. long; flowers rose -colored, very fragrant, 2-5 cm. 

 broad; pedicels 1-4 cm. long, glabrous; calyx slightly pubescent; pome fleshy, 

 globose or depressed, 2-4 cm. in diameter, greenish- yellow, fragrant, acid. In 

 thickets, Ont. to Mich, and S. Car. April-May. Fruit ripe Sept. 



3. Malus Ioensis (Wood) Britton. Western Crab Apple. (I. F. f. 1980.) 

 A small tree, much resembling Mains coronaria. Leaves firm, white-pubescent 

 beneath, at length glabrous above, obtuse at the apex, mostly narrowed at the base, 

 ovate, oval or oblong, dentate, crenate or with a few rounded lobes, 2-5 cm. long, 

 or on young shoots much larger ; petioles, pedicels and calyx pubescent. Minn., 

 Wis. and 111. to Neb., Ky.. La. and the Ind. Terr. April-May. 



4. Malus Soulardi (Bailey) Britton. Soulard Crab Apple. (I. F. f. 1981.) 

 A small tree, resembling the two preceding. Leaves ovate, elliptic or obovate, 

 mostly obtuse or truncate at the apex, rugose and densely tomentose beneath, irregu- 

 larly crenate -dentate or sometimes few-lobed; petioles 2.5 cm. or less, tomentose; 

 flowers smaller than those of M. coronaria, the cymes dense; pedicels stout, white- 

 tomentose; pome 2.5-6 cm. in diameter. Minn, to Mo. and Tex. April-May. 



5. Malus Malus (L.) Britton. Apple. (I. F. f. 1982.) A large tree with 

 spreading branches. Leaves ovate or oval, rounded or slightly cordate at the base, 

 glabrous or nearly so above, pubescent and often woolly beneath ; pedicels gener- 

 ally tomentose, 2-5 cm. long ; flowers pink, or white, 3-8 cm. broad ; calyx to- 

 mentose. In woods and thickets, Me. to N. Y., N. J., Penn. and Ga. Introduced 

 from Europe and escaped from cultivation. April-May. 



4. ARONIA Medic. 



Low shrubs, with simple petioled finely serrate leaves, the upper side of the 

 midrib glandular, the narrow stipules early deciduous. Flowers small, white or 

 pink, in compound cymes. Calyx urn-shaped, 5-lobed. Petals 5, concave, 

 spreading. Stamens numerous. Styles 3-5. united at the base. Ovary woolly. 

 Pome small, globose, oval, or somewhat top- shaped, its carpels rather leathery. 

 [ Name modified from . Iria. the Beam-tree of Europe.] Only the following species: 

 Cyme and lower surfaces of the leaves woolly. 



Fruit sbort-pyriform, bright red. 1. A. arbutifolia. 



Fruit oval to globose, purple-black. 2. A. a//o/>t/r/>;/rca. 



Cymes and leaves glabrous or nearly so; fruit black or purplish. 3. A. nigra. 



