Trees ok the Xokthekx United States 61 



2. Leaves ovate, acute or acuminate at the apex and 



acute at the base, on slender petif)les : finely and 

 nearly evenly serrate. .1/. baccaia. 

 '\. Leaves mostly narrowed at the base; jjonu' !-_ in. in 

 diameter. M. iocnsis. 



3. Leaves rounded or cordate at the base; pome usually 



large, 2-4 in. in diameter. M. mains. 



1. Malus coronaria (L) .Mill. Xarrow-lcaf Inib-applc. 

 A small tree usually with thorn-like stunted branches or 

 spurs. Leaves oblong, oblong-lanceolate, or oval, thick, shin- 

 ing above, sometimes pubescent beneath vi-hen young, dentate 

 or often entire. Wood hard, reddish-brown. On low ground. 

 X. J. to 111., Kan., Fla., and La. 



2. Mahis haccata (L.) Borck. Siberian Crab-apple. A 

 small spreading tree with compact crown. Pedicels very 

 slender; fruit small, not becoming mellow. Cultivated. 



■?. Malus glaucescens Rehd. Fragrant Crab-apple. A 

 small tree with hard and sour fruit suitable for preserving. 

 Leaves ovate, to triangular-ovate, sparingly pubescent be- 

 neath when young, sharply serrate and often somewhat lobed. 

 Wood soft and reddish-brown. On low ground. Ont. to 

 Mich., S. Car.. Towa. and Mo. 



4. Malus ioensis (Wood) Britt. Iowa Crab-apple. 

 A small tree much resembling .1/. glauccsscens. Leaves ovate, 

 oval, or oblong, dentate, crenate or with a few rounded lobes, 

 white, pubescent l)eneath, at length glalirous alxtve. Minn., 

 Wis., and 111. to Xeb., Ky., La., and Okla. 



."■(. Malus malus (L.) 15ritt. Comnu-n .\ppk'. A 

 medium-sized tree with spreading branches. Leaves ovate 

 or oval, glabrous or nearly so above, pubescent and often 

 woolly beneath, bruit large, various. Introduced from Europe 

 and escaped in many places. The seeds are poisonous. Me. 

 to N. Y.. N. J.. Ohio, and Ga. 



21. Cydonia TMurn. Quince. 



Shrubs or low small trees, our cultivated species with 

 alternate, simple, pinnately veined, entire, deciduous leaves 

 with stipules or stipular scars: cylindrical pith, and witli fruit 

 a pome riintainiiit; ninn\ seed'^ in each cavitx. 



