MELASTOMACE^E 545 



adpressed hairs directed towards the apex, deep green above, pale 

 beneath or often stained with red ; petioles very short, channelled 

 above, densely hairy, slightly connate at the base, or forming a ring 

 round the stem, with one to three or more stronger, erect bristles 

 on the ring. 



First pair of leaves small, ovate, obtuse, entire, trinerved, with 

 comparatively longer petioles than succeeding ones. 



Cotyledons droned- 



FIG. 351. Osbeckia capitata. A, young seedling, x 4. B, older seedling. Nat. size 



Second pair ovate, obtuse, strongly trinerved. 



Third pair ovate, obtuse, strongly trinerved with sometimes two 

 other slender nerves. 



Fourth to sixth pairs similar, but gradually wider and subcordate 

 at the base. 



Rhexia Mariana, L. (fig. 352). 



Primary root very long, slender, flexuose, colourless, furnished 

 with numerous lateral rootlets. 



N N 



