530 MALACEAE 



elliptic or obovate, finely serrulate or entire, slender-petioled, 3-8 cm. long, downy and 

 ciliate when young, becoming glabrous or nearly so when old, the apex acute or acuminate, 

 the base usually rounded ; petioles sometimes as long as the blades or longer : cymes few- 

 several-flowered, borne at the ends of short twigs of the preceding year: pedicels 1.8-5 

 cm. long, at first downy : sepals about as long as the hypanthium : corolla white, 2.5 cm. 

 broad : styles distinct to the base : pome, in the wild form, seldom over 5 cm. long, in the 

 numerous cultivated forms often much larger. 



In thickets aiirl woods, Maine to New York and Florida. Escaped from cultivation. Native of 

 Europe and Asia. Spring. 



3. MALUS Juss. 



Trees or shrubs, with alternate leaves, their blades toothed or lobed. Flowers showy 



in simple terminal cymes. Hypanthium urn-shaped or campanulate. Sepals 5. Petals 



5, pink or white, rounded, with claws. Styles 2-5, usually united at the base. Ovules 2 



in each cavity. Carpels papery or leathery. Fruit a pome, usually depressed-globose, 



mostly hollowed at the base, its flesh not containing grit-cells. Apple. Crab Apple. 



Leaf-blades glabrous at least at maturity. 



Leaf-blades oblong or lanceolate ; styles nearly distinct. 1. M. angustifolia. 



Leaf-blades ovate : styles manifestly united at the base. 2. M. coronaria. 

 Leaf-blades persistently pubescent, often tomentose beneath. 



Leaf-blades gradually or abruptly narrowed at the base : pomes less than 4.5 cm. thick. 



Pedicels slender, over 2.5 cm. long. 3. Af. loeiisis. 



Pedicels stout, less than 2.5 cm. long. 4. M. Soulardi. 



Leaf-blades rounded or subcordate at the base : pomes over 4.5 cm. thick. 5. M. Malus. 



1. Malui angustifolia (Ait.) Michx. A small tree, sometimes 6 m. high, with the 

 trunk 3 dm. in diameter. Le;if-blades oblong, or lanceolate, thick, shining and dark green 

 above, dentate or often entire, rather obtuse or acute at the apex, narrowed at the base, 

 2.5-5 cm. long: cymes few-flowered : pedicels 2.5-4 cm. long, slender: flowers fragrant : 

 ■corolla pink, mostly less than 2.5 cm. broad : styles nearly separate : pome about 2.5 cm. 

 in diameter. 



In thickets. New Jersey to Illinois, Kansas, Florida and Louisiana. Early spring. 



2. Malus coronaria ( L. ) Mill. A small tree, sometimes reaching a height of 7 m. 

 and a trunk diameter of 3 dm. Leaf-blades petioled, ovate to triangular-ovate, sparingly 

 pubescent beneath along the veins when young, glabrous when old, sharply serrate and 

 often somewhat lobed, acute or acutish at the apex, rounded or cordate at the base, 2.5- 

 7.5 cm. long: flowers very fragrant : pedicels 1.5-2.5 cm. long, glabrous : corolla rose- 

 colored, 2.5-5 cm. broad: pome globose or depressed, 2.5-3.5 cm. in diameter, greenish 

 yellow, fragrant, very acid. 



In thickets, Ontario to Michigan, New Jersey and South Carolina. Early spring. 



3. Malus Io6nsis (Wood) Britton. A small tree, resembling 3/o/«s corona;-ia. Leaf- 

 blades simple, 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,' 2.5-5 cm. long, or on young shoots much larger; petioles pubescent, 1.7-3.5 cm. 

 long: flowers much like those of M. coronaria: pedicels pubescent, slender, 2.6-3.5 cm. 

 long. 



In woods, Minnesota and Wisconsin to Kentucky, Louisiana and the Indian Territory. Spring. 



4. Malus SoulArdi (Bailey) Britton. A small upright stout-growing tree, resembling 

 the two preceding species. Leaf -blades ovate, elliptic or obovate, mostly obtuse or truncate 

 at the apex, narrowed or rounded at the base, rugose and densely tomentose beneath, 

 irregularly crenate-dentate or sometimes few-lobed ; petioles 2. 5 cm. long or less, tomentose : 

 flowers smaller than those of 31. coronaria : cymes dense : pedicels stout, white-tomentose, 

 12-24 mm. long : pome 2.5-6 cm. in diameter. 



In woods, Minnesota to Missouri and Texas. Spring. 



5 Malus Malus ( L. ) Britton. A tree u'ith spreading branches, the trunk sometimes 

 reaching a diameter of 1 m. in cultivation. Leaf-blades petioled, broadly ovate or oval, ob- 

 tuse or abruptly pointed at the apex, rounded or slightly cordate at the base, 2.5-7.5 cm. long, 

 dentate or nearly entire, glabrous or nearly so above, pubescent and often woolly beneath, 

 especially when young : pedicels generally tomentose, 2.5-5 cm. long : calyx tomentose : 

 corolla pink or white, 3.5-7.5 cm. broad: fruit depressed-globose or elongated, hollowed 

 at the base, 3.5-7.5 cm. in diameter. 



In woods and thickets, frequent in southern New York, New Jersey and Pennsylvania, south to 

 Georgia. Our common apple, introduced from Europe and escaped from cultivation. Native also of 

 western Asia. Spring. 



