482 ON SEEDLINGS 



mottled with red, about 2 mm. long on the primary stem and 

 1 mm. long on the lateral branches. 



Nos. 1 and 2. Oval or subelliptic, obtuse 

 at both ends. 



Nos. 3-5. Keduced to small subulate, 

 acute teeth, similar to the stipules in shape 

 and size or nearly so, bearing in their axils 

 horizontal, leafy branches. 



Leaves on the lateral branches similar 

 to the primary ones but smaller, oval or 

 elliptic, obtuse. 



Petalostigma quadriloculare, Mull. Arg. 

 Phyllanthus flaccidus. Hypocotyl erect, terete, glabrous, light 



green, 3-5 mm. long. 



Cotyledons oval, obtuse, entire, tapering at the base to the 

 petiole, glabrous, dark green, paler beneath, 1-8-2 cm. long in- 

 cluding the petiole, which is slightly hairy beneath, 9-11 mm. wide ; 

 midrib sending off numerous ascending veinlets as in the leaves. 



Stem herbaceous, erect, terete, pubescent, light green ; 1st inter- 

 node 2 cm. ; 2nd rather shorter, about 1-1 -3 cm. long. 



Leaves simple, entire, cauline, alternate, petiolate, with short 

 hairy stipules, pubescent on both surfaces, oval to obovate, obtuse, 

 light green, somewhat reflexed ; midrib prominent with numerous 

 ascending veinlets, 1-2-1-3 cm. long, 7-8 mm. wide. 



Hevea brasiliensis, Mull. Arg. 



Ovary of three carpels, three-celled, three-ovuled ; ovules pen- 

 dulous, anatropous ; micropyle superior. 



Fruit a capsule, large, splitting into two-valved cocci ; epicarp 

 rather fleshy ; endocarp woody, thick. 



Seed pendulous, anatropous, oblong or roundish, large, glabrous, 

 obtusely angled on the ventral aspect in conformity with the inner 

 angle of the fruit, convex on the back, marked with black dots and 

 irregular blotches on a pale or dark brown or ashy ground ; hilum 

 oblong or elliptical, nearly superior on the ventral aspect ; raphe 

 ventral, lying in a furrow on the central or rather inner angle of the 

 seed, longitudinal, separable from the testa ; chalaza at the lower 

 end of the seed ; radicle superior, close to the micropyle which 

 occupies the centre of the upper end ; testa crustaceous or woody, 

 tough or strong but breaking with a clean transverse fracture ; 

 tegmen soft, spongy, pale grey. 



Endosperm abundant, fleshy, completely surrounding the 



