VEGETABLES. 



243 



Division /• 



Lobated leaves. 



Bp. 1. q. obtusiloba, upland white oak, iron oak. 



2. q. macrocarpa, over cup, white oak. 



5. q. lyrata, water white oak* 



4. q. alba, var. pinnatifida, ? , ' 

 ^ ' . > white oak. 



repanda, 3 



Division II» 



Dentated leaves. 

 Sp. 5. q. prinus, var. palustris, swamp chesnut oak. 



monticola, mountain chesnut oak, 



rock oak. 

 acuminata, narrow leaf chesnut 

 oak. 



, pumila, chinquapin, oak. 

 tomentosa, Illinois oakj Downy 

 oak. 



Division III, 



Intire leaves. 

 Sp. 6. q. virens, live oak. 



• Section II* 



Gak, full grown, plants of which the leaves are 

 armed by a bristle, acorns almost sessile, fructifica- 

 tiou annual. 



Division /. 



Intire leaves. 

 Sp. 7. q. phellos, var. sylvatica, willow oak. 



maritima, sea willow oak. 

 pumila, dwarf willow oak. 



