WHITE POPLAR 



225 



Populus 

 Small tree, 

 below, and 

 leaves, the 

 palmatifid. 



Catkins 

 short stalks. 



alba, L. White Poplar, Abele (Figs. 66, 67). 



with whitish-grey bark, only fully developed 



white-tomentose twigs and undersides of 



latter varying in shape, ovate, sub-rotate to 



curved, cylindroid, about 4 6 cm. long, on 

 Scales obovate-spathulate, unequally toothed, 



Fig. 67. White Poplar, showing the variations in form of the leaves, 

 p. 225 (Wi). 



membranous, ciliate, yellowish-green with dark brown or 

 purplish tips and margins. Cup-like disc stalked, funnel- 

 shaped with an oblique mouth, brown. Stamens 8 10 with 

 long purple anthers. Ovary glabrous, ovoid-conic, invested 

 w. in. 15 



