AMPELIDE^E 



349 



mately climbing and woody, zigzag or flexuose at the nodes ; 1st 

 internode 1-9 mm. long ; 2nd 7-31 mm. long. 



Leaves simple, cauline, alternate, stipulate, petiolate, three- to 

 five-nerved at the base, strongly alternately nerved upwards, reticu- 

 late, shining on both surfaces, at least when young, deep green above, 

 paler or glaucous beneath, glabrous ; stipules half-ovate, membranous 



FIG. 247. Vitis hypoglauca. Half nat. size. 



colourless, small ; petioles semiterete, channelled above, tapering 

 slightly upwards, glabrous, pale green or stained with red. 



No. 1. (following a short internode). Very small or minute, 

 lanceolate, acute, entire, or one- to two- 

 toothed at the sides, much reduced and 

 scale-like. 



No. 2. Triangular acute, cordate or 

 almost truncate and five-nerved at the 

 base r and alternately nerved upwards, 

 irregularly dentate with rather cuspidate, 

 acute teeth. 



Vitis cebennensis, Jord. (fig. 248). 



Hypocotyl suffrutescent, erect, terete, 

 soon becoming brown, glabrous, 1-2 cm. 

 long. 



Cotyledons ovate, entire, subacumi- 

 nate, glabrous, five-nerved, nerves incurved, 2*35 cm. long, 1'65 cm. 

 broad ; petiole deeply grooved above, suberect, 8 mm. long. 



FIG. 248. Vitis cebennensit. 

 Half nat. size. 



