A KEY BASED UPON LEAVES. 



Abbreviations. a. = apex or at apex ; ab. = above ; b. = base or at base ; bn. = beneath ; 

 fr. = fruit; 1. = long (usually omitted and implied after dimensions); If. = leaf; Ifts. = 

 leaflets ; Ivs. = leaves. 



SIMPLE LEAVES. 



b With well marked blade and petiole, or without petiole (sessile) ; 



C MAIN RIB SINGLE PINNA'IELY VEINED 



cl Margin entire; 



e Leaves lance-oblong, thick, 



f Acuminate at both ends, 3-9 in.. 



g Rugose-reticulate, deciduous; fr. an elongated dry drupe. 



CORK-WOOD (Leitneria 

 g- Smooth and lustrous; fr. a dark blue drupe; veins beneath and petioles 



h Rusty tomentose, evergreen SWAMP BAY (Persea pubescens). 



h- Glabrous or nearly so, evergreen RED BAY (P. Borbonia) . 



f2 Acute at both ends, l%-4 in.; fr. an acorn. 



WILLOW OAK (Qiiercus Phellos). 

 e 2 Leaves lance-obovate, cuneate, rounded a., mostly 



f flustered on lateral spurs; fr. a black drupe; beneath and petioles 



g Densely tomentose WOOLLY BUCKTHORN (Bumelia lanuginosa) . 



g2 Glabrous or nearly so SOUTHERN BUCKTHORN (B. lycicides}. 



V- Alternate on the branchlets. 



g Thinnish, glabrous above, deciduous; fr. 2-celIed capsules. 



LEATHER WOOD (Cyrilla racemi flora) . 

 g2 Very thick, lustrous above, persistent; fr. acorn. 



LIVE OAK (Quercus Virginiana). 

 e 3 Loaves ovate, 



f Inequilateral, long taper-pointed and narrow; fr. drupe. 



MISSISSIPPI HACKBERRY (Celtis mississippiensis) . 

 f2 Equilateral, broad, lustrous ab. rounded b.. long-acuminate; fr. compound, 



orange-like OSAGE ORANGE ( Toxylon pomiferum } . 



e* Leaves ovate-oblong, abruptly narrowed b. 



f Alternate, acuminate, lustrous dark gr. ab.. paler pubescent bn.; fr. large 



berry PERSIM MOX ( Diospi/ros Virginiana ) . 



f- Opposite, rough-pubescent above, without stipules; fr. drupe. 



ROUGH-LEAVED DOGWOOD (Cornus asperifolia). 

 f.' Verticillate (some opposite) glabrous ab., with stipules; fr. in globular 



head BuiiON-BUSii (Cephalanthus Occident at is). 



e 1 ^ Leaves oblong, mostly cuneate b., 

 f Deciduous. 



