abed 4 e 2 f 6 17 



f Nut. 



g Enveloped by a 2-4-valved prickle-covered involucre, lateral veins of Ivs. 



straight, parallel, and each terminating in a tooth; nut 

 h Triangular, each involucre inclosing a pair; Ivs. ovate-oblong, acumi- 

 nate, hairy along veins bn BEECH (Fagus Americana) . 



h2 Globose top-shaped, single in involucre; Ivs. narrow-oblong with 

 slender teeth and white- tomentose bn. 



CHINQUAPIN (Castanea pumila). 



hs Compressed ovoid-globose, 2 or 3 in an involucre ; Ivs. lance-oblong with 

 coarse teeth, green and glabrous both sides. 



CHESTNUT (Castanea dentata). 



g2 Subtended by an involucral cup an acorn; Ivs. lance-oblong, obovate, 

 coarsely and sharply serrate; 



h Large trees CHINQUAPIN OAK ( Quercus acuminata ) . 



h2 Shrubs or very small trees. . .DWABF CHINQUAPIN OAK (Q. prinoides) . 

 d Margin both serrate or serrate-dentate and lobed in the same Iva., though the 

 lobed Ivs. may be on vigorous shoots only, and the latter Ivs, are not 

 considered in these further descriptions. 

 e Fruit a small pome (apple) 



f With 1-5 bony, 1-seeded nutlet-like carpels; small trees and shrubs with 



thorny branches; Ivs. 

 g Obovate (large ones more elliptical) entire, cuneate b., rounded or acute 



a.; petioles short, winged above and glandless; 



h Leaves lustrous dark-green ab., thick; fr. globose-oblong, % in., dull 

 red; nutlets 1-3 COCK-SPUB THORN (Cratacgus crus-galli) . 



