178 GUELDER ROSE, ETC. 



(b) Leaves not lobed ; ovate or lanceolate, glabrous 

 and matt green, serrulate ; petioles eglandular, 

 stipules very minute or half-ovate, caducous or 

 obsolete. 



Fig. 43. Guelder Rose, Viburnum Opulus, p. 177 (D). 



(i) Leaves lanceolate or obovate - lanceolate, 

 at least 4 5 times as long as broad 

 stipules half-ovate, but rarely seen. 



Salix purpurea, L. Purple Willow (Fig. 44). Shrub 

 with sub-opposite leaves. Leaves thin, about 9 11 

 (9 18) cm. long, oblong-obovate to obovate-lanceolate, 

 or oblong to nearly linear lanceolate ; sub-sessile and 

 often opposite, 4 6 times as long as broad, the greatest 



