Ixx 



ANALYSIS OF THE GENERA 



Opposite, stipulate. 

 Deciduous. 



Entire. 



Minute, caducous, bark evergreen 

 Oval-elliptic ... 



Whorled, oval ... 



Digitate, 7-5-lobed 



Serrate. 



Ovate-acuminate . . - 



Deciduous, evergreen, or subevergreen. 



Entire, connate - - - . 



Serrate or dentate, petiolate, and sliining 



Serrate or entire, petiolate, sliining 

 Oppoiile, exstipulate. 

 Deciduous. 



Entire. 



Ovate-laiiCeolate, Sribbed 



Lanceolate, glabrous, large 



Ovate or lanceolate, shining 



Cordate, large ... 



Lanceolate, reticulately veined 



Cordate, undivided or 3-lobed, large 



Lanceolate or ovate, beset with silvery scales 



Lanceolate, with very short petioles 



Serrate. 



Ovate or cordate, sometimes lobed 

 Lanceolate, rough, with dots 



Serrated or entire 



Oval-acuminate, scabrous 



Dentate, notched, or otherwise cut at the edges. 



Variously lobed (one variety deeply lacinaite) 

 Dentate or entire. 



Glabrous, entire, or toothed at the apex . 

 Entire. 



Ovate-lanceolate, evergreen, pale green with yellow 

 spots . . . . . 



Elliptic, glabrous, small 



L:mceolate, shining ... 



Ovate, ciliate, shining - . - 



Roundish, coriaceous, smooth, shining 

 Serrate 



Oblong, with revolute edges, small 

 Serrate or entire. 



Wavy, leathery, dark green, shining 

 Deciduous evergreen, or subevergreen. 

 Entire. 



Undivided, sessile, or sub-sessile, dotted - 



Lanceolate, downy ... 

 Ovate-lanceolate, membranous, glaucous 

 Lanceolate, glabrous . - - 



Linear and scale-like, caducous, bark evergreen 

 Serrate. 



Ovate-lanceolate, sometimes linear, mostly deci 

 duous . - . - . 



Dentate or entire. 



Petioles embracing the stems 

 Opposite or alternate, stipulate. 

 Evergreen. 

 Entire. 



Rhomb-shaped, bearing a mealy powder 

 Opposite or alternate, exstipulate. 

 Deciduous. 

 Entire. 



Lanceolate, sometimes whorled - 

 Oblong, small-fascicled 

 Deciduous, evergreen, or subevergreen. 

 Entire. 



Smooth, oval-lanceolate . - 

 Rigid, pale green on both sides - 

 Glabrous, shining, sometimes small 



Linear, more or less 2-rowed 



Scale-like, closely imbricated, compressed 

 Scales situated under the joints of the branches 

 Linear, adpressedly imbricate - 

 Scale-shaped, minute, sometimes linear - 

 Opposite or alternate, stipulate or exstipulate. 

 Subevergreen. 

 Entire. 



3-nerved or feather-nerved, hoary or pilose 



LEAVES COMPOUND. 

 Alternate, stipulate. 

 Deciduous. 

 Entire. 



Biternate or bipinnate, strong-smelled 



Pinnate, 3 .5-foliolate . . . . 



Xrifoliolate, pilose, or pubescent 



