BLACK POPLAR 



263 



Populus nigra, L. Black Poplar (Figs. 95 and 96). 

 Large tree, spreading or (var. pyramidalis) fastigiate, with 

 loosely hung foliage. Leaves triangular- or sub-orbicular- 



Fig. 96. Black Poplar, Populus nigra. Venation pinnate with pseudo- 

 palmate base, a midrib ; b basal secondary ; c tertiaries ; d network of 

 terminals, <&c., p. 263 (Ett). 



cordate, to deltoid, or broad-ovate, tapering acuminate; 

 often sub-rhomboid and broader than long, 5 10 cm. 



