88 STUDIES IN INDIAN TOBACCOS. 



Type V. Plants somewhat late, not veiy tall ; height 127 

 cms. ; lower internodes short causing most of tlie leaves to be 

 crowded at the base of the plant, a few are borne up the stem. 

 Leaves very large and conspicuous, petiolate with alate petioles, 

 the wings are amplexicaul and decurrent on the main stem ; leaves 

 inserted at an angle of about 90° and bend downwards from the 

 base of the petiole ; shape of the lower leaves subcordate, of the 

 upper leaves elliptical ; secondary veins arise at an angle of 60 — 

 90° ; apex acute ; margin slightly undulate ; surface very slightly 

 puckered ; colour light green ; texture thin to medium ; average 

 length of petiole 5 cms. ; average length of leaf 45*5 cms. ; ratio 

 length / breadth IG. Inflorescence leaves petiolate with very 

 short alate petioles, ovate or elliptical ; apex acute ; margin slight- 

 ly undulate ; surface flat. Inflorescence not conspicuous, side 

 branches as long as the main axis, somewhat spreading. Flowers 

 a deep pink colour which fades somewhat ; length 45 mm. Calyx 

 tubular, inflated, about one-third the length of the corolla ; teeth 

 moderately long and acute. Corolla, with a very broad tube, al- 

 most as broad as the dilatation, the transition between the tube and 

 the dilated portion very gradual ; limb not deepty divided ; lobes 

 rounded &t the base, pointed but with no apical points. Capsule 

 slightly longer than the persistent calyx, conical ; apex blunt. 



The anthers burst in the bud when just below the stigma. 

 In the fuU}'^ open flower the burst anthers are below the stigma 

 and the latter is level with the orifice of the corolla. 



