CAPRIFOLIACE^ 55 



at the upper and basal end into an obtuse tip, somewhat compressed 

 dorso-ventrally, and raised on one face into four stout ridges with 

 intermediate depressions, and having on the other a deep impression 

 with a ridge in the centre, pale-coloured. 



Seed conforming to the endocarp, dark brown, minutely pitted, 

 glabrous ; testa thin, membranous, carried in folds into the endo- 

 sperm ; raphe a reddish line passing from the hilum down the side 

 of the seed, and winding round the end and up the opposite side for 

 two-thirds of its length ; chalaza within one-third of the base of 

 the seed. 



Endosperm as before, but ruminate. 



Embryo as before ; cotyledons oblong- ovate. 



Viburnum montanum, ? Auct. (fig. 425). 



Drupe obovoid ; endocarp crustaceous and variously involuted 

 owing to indentations or cavities of the seed, as well as its infolded 

 margins. 



FIG. 425. Viburnum montanum, x 4. A, longitudinal section of 

 fruit: E, embryo; Me, mesocarp ; En, endocarp; T, testa ; P, endo- 

 sperm. B, longitudinal section through the narrow plane of the seed : 

 F, funicle ; E, embryo ; Me, mesocarp ; En, endocarp ; T, testa ; 

 P, endosperm. 



Seed somewhat obovoid, suddenly narrowed at its upper end, 

 deeply infolded at the sides on the ventral aspect, and shallowly on 

 the dorsal aspect near, or at the top, leaving a median ridge which 

 contains the embryo ; raphe lateral, passing round the seed just 

 within the infolded margins and consequently appearing ventral ; 

 chalaza a short distance from the hilum ; testa thin, membranous, 

 pale yellowish. 



Endosperm fleshy, pale yellowish or transparent, occupying 

 almost the whole of the seed. 



Embryo minute, ovoid-oblong, embedded in a thickened and 

 pointed part of the endosperm close to the micropyle and hilum ; 

 radicle very blunt, subturbinate, about equal to the cotyledons in 

 length ; cotyledons ovate, obtuse, entire, plano-convex, applied to 

 each other face to face. 



