274 ON SEEDLINGS 



Argyreia cuneata, BoL Beg. 



Primary root perennial, fleshy, subglobose, smooth, and together 

 with the hypocotyl forming a tuberous rootstock, 



Cotyledons equal, with glabrous, green or reddish petioles, 4- 

 5 cm. long, To mm. thick, with their basal ends 1 cm. or less be- 

 low the surface of the ground on the broad collar of the hypocotyl, 

 and surrounding six or more buds in the two axils ; lamina 2'5 cm. 

 long and as wide, bilobed, cordate at the base, obtuse at the apices, 

 otherwise entire, palmatinerved, with a short midrib and two 

 primary nerves meeting within the apex of each lobe, glabrous, thin, 

 Light green, rather persistent, and presenting a strange appearance 

 through being partly buried. 



Stem suberect, firm, terete, pubescent ; 1st internode 4-6 cm. 

 long, 1-5 mm. thick ; 2nd and 3rd shorter. 



Leaves simple, entire (at least in the seedling stage), cauline, 

 alternate, exstipulate, petiolate, alternately incurvinerved, with the 

 bases of the nerves decurrent on the midrib, smooth and deep 

 green above, pubescent on the margin and covered with a silvery 

 or silky tomentum beneath; petioles short, grooved on the upper 

 side. 



No. 1. Shortly petiolate, 3'5-4 cm. long, 2-5 cm. wide, oval, 

 rounded at both ends, with entire, pubescent margin, sunk midrib 

 and pinnate nerves, coriaceous, smooth and dark green above, 

 woolly and paler beneath. 



Nos. 2-4. Oval, slightly more tapered to both ends and larger, 

 6-7 cm. long, and 3 cm. wide. 



Argyreia speciosa, Sweet, 



Primary root a long taproot with a large number of long, thick, 

 much branched, white fibres. 



Hypocotyl herbaceous, 6-8 cm. long, 2-2-5 mm. thick, terete, 

 pubescent, dull green, purplish about the middle. 



Cotyledons long-petioled, about 6 cm. long, 4-5 cm. wide, 

 bilobed, deeply cordate at the base, obtuse at the apex, otherwise 

 entire, with a short forked midrib and two strong primary nerves on 

 each side, sunk and forming a very narrow ellipse in each lobe, 

 quite glabrous, bright green above, paler beneath, thin, somewhat 

 persistent ; petioles semiterete, channelled. 



Stem herbaceous, short, terete, tomentose ; first few internodes 

 about 5 mm. long, and 2-2'5 mm. thick. 



Leaves simple, cauline, alternate, exstipulate, petiolate, cordate, 

 alternately incurvinerved, reticulated, glabrous and deep green 



