CAPKIFOLIACILE 



53 



beneath ; petioles semiterete, deeply channelled above, dilated at 



the base, amplexicaul and connate, thinly pubescent in the young 



state, glabrescent, furnished at the margins in the upper part with 



large, stipitate or sessile, 



green glands ; stipules 



forming one to two 



linear, obtuse, or acute 



processes seated on the 



margin of the petiole 



and near its base, 



green, glabrous. 



First pair of leaves 

 ovate, acute, trilobed, 

 with two large teeth 

 near the base, alter- 

 nately and ascendingly 

 penninerved, with a 

 "strong nerve running 

 into each lobe or tooth, 

 ciliate, otherwise gla- 

 brous, light green and 

 shining on both sur- 

 faces, exstipulate, with 

 short red margined 

 petioles. 



Ultimate leaves pal- 

 mately tri-nerved and 

 -lobed, with the three 

 principal nerves again 

 strongly and ascend- 

 ingly penninerved, re- 

 ticulate ; lobes acute, 

 coarsely and irregularly 



dentate, with deltoid acute teeth ; middle lobe the largest and on 

 strong growing shoots often trifid. 



Viburnum Lentago, L. (fig. 423). 



Fruit a drupe, globose or oblong, slightly compressed dorso-ven- 

 trally, glabrous, black ; mesocarp pulpy, very dark-coloured ; endo- 

 carp thick, tough, horny, separable into halves longitudinally along 

 the edges, very much compressed dorso-ventrally, rounded at its 

 lower end, cuspidate at the apex. 



Seed orbicular or oblong, rounded at the lower end, but some- 



FIG. 422. Viburnum Opulus, x 2. 



