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. 



r~l f~l 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. 



Jf Upper leaves of flowering shoots 

 connate round the stem. 



Lonicera Caprifolium, 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. 



Jttt Upper leaves of flowering shoots sessile, 

 but not connate. 



Lonicera Periclymenum, L. Honeysuckle. Twiner. 

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

 3_7 cm . long (59 x 25), all shortly petiolate (23 

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

 which are rounded and quite sessile, but not connate ; 



