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2. Betula lenta. Red Birch. 



This grows to a pretty large fize, fpreading into 

 many flender pliable branches. The leaves are 

 fmooth, heart-fliaped, oblong, fharp-pointed, and 

 finely and flightly fawed on their edges. 



3. Betula papyrifera. White Paper Birch. 



This is a variety of the laft, growing to a midr 

 dling fize and pretty much refembling it, except in 

 having a very white fmooth bark. 



4. Betula populifolia. Afpen-leaved Birch. 



This is alfo a variety of the fecond, and grows 

 naturally in the Jerfeys, and other eaftern ftates, be- 

 coming a pretty tall tree, and covered v/ith a white 

 bark. The leaves are fomewhat triangular, like 

 thofe of the Afpen tree, but terminating in a long 

 acute point J they are doubly ferrated, ftanding up- • 

 on long flender footftalks, and are put in motion by 

 the flighted breeze of wind. 



5. Betula humilis. Dwarf Birch. 



This is alfo a variety of the fecond kind, of alow 

 and dwarfifli growth. 



BETULA-ALNUS. 



The a L D E R TREE. 



THHE Charaders are the fame of the Betula, except the 

 ^ Seed'VeJJel being a roundifli cone. 



The Species .are, 



I. Bjstula 



