HONEYSUCKLES 199 



acuminate, entire, thin, glabrous ; green both sides but paler 



below. Petiole long, 15 25 mm. Autumn leaves brown. 



Venation pinnate-reticulate, with a tendency to looping. 



EJ EJ Leaves sessile, or sub-sessile on very short 

 petioles ; the base not cordate. 



Leaves not narrowed and tapering 

 below; the upper broad and quite 

 sessile, or connate. 



% Upper leaves of flowering shoots 

 connate round the stem. 



Lonicera Caprifulium, L. Perfoliate Honeysuckle 

 (Fig. 58). Twining shrub. Leaves elliptic-rounded, 

 broadly oblong, ovate, or obovate, hardly acute, glabrous ; 

 whitish or glaucous beneath, 4 6 cm. long (3 9 x 3 4 

 cm.), darker above. The lowest and those on the sterile 

 shoots short and narrowed into a petiole, those beneath the 

 inflorescences sessile and the uppermost connate into a 

 single sub-orbicular oval or sub-rhomboid perfoliate leaf- 

 pair. Autumn leaves brown. 



Venation pinnate-looped, the secondaries sinuous and 

 strongly curving forwards, forming loops some distance 

 beneath the entire margin : superposed on these the 

 tertiaries form about two series of further loops, convex to 

 the margin. Tertiaries numerous and forming irregular 

 cross-ties and distinct meshes between secondaries. 



## Upper leaves of flowering shoots sessile, 

 but not connate. 



Lonicera Periclymenum, L. Honeysuckle. Twiner. 

 Leaves ovate or oblong or more or less elliptic, acute, 

 37 cm. long (59 x 25), all shortly petiolatc (23 

 mm.) or sub-sessile, except those under the inflorescences, 

 which are rounded and quite sessile, but not connate; 



