468 ON SEEDLINGS 



face or becoming concave by shrivelling, 1-4-1-6 cm. long, 8-10 mm. 

 wide, reddish or tinged with yellow. 



Stem erect, terete, green, densely covered with short incurved 

 hairs, soon becoming woody ; Istinternode 3*5-4 cm. long, together 

 with the hypocotyl constituting the whole of the first season's growth 

 and terminating in a small bud that appears to be lateral owing to 

 the size of the first leaf. 



Leaves compound, abruptly pinnate, cauline, alternate, stipulate, 

 petiolate, evergreen, glabrous, full of pellucid glands, leathery, penni- 

 nerved, reticulate, bright green and shining ; stipules small, deci- 

 duous ; petiole very short, stout, cylindrical, finely pubescent between 

 the leaflets like the midrib and the petiolules. 



No. 1. Of three pairs of lanceolate, obtuse, falcate leaflets, oblique 

 on the posterior side, and more or less cut away on the anterior side 

 at the base, especially the uppermost pair. 



SUBORDER MIMOSEJE. 

 TEIBE ADENANTHERE^:. 



Adenanthera Pavonina, L. (fig. 806). 



Hypocotyl soft, succulent, erect, terete, glabrous, green, 1'5 cm. 

 long, afterwards woody. 



Cotyledons sessile, erect and clasping the stem with subsagittate 

 auricles at the base, fleshy, thick, margin slightly undulate, olive 

 green, with buds in their axils. 



Stem erect, terete or substriate, glabrous, green, ultimately 

 woody ; 1st internode 2'4 cm. long. 



Leaves compound, cauline, alternate (first two opposite), stipulate, 

 petiolate ; stipules minute, glandular. 



Nos. 1 and 2. Pinnate ; leaflets alternate, lanceolate-oblong, 

 acute or cuspidate, entire, glabrous, pale green, largest about the 

 middle of the leaf, and gradually smaller to each end ; petiole sub- 

 terete, channelled on the upper side, 8 mm. long ; rachis of leaf 

 terete, slightly channelled on the upper side at the base, ending in 

 a slender, filiform point beyond the uppermost leaflet ; point 4 mm. 

 long. 



No. 8. Alternate. 



Nos. 4-6. Alternate, paripinnate ; leaflets alternate. 



Nos. 7-9. Bipinnate with two pairs of opposite pinnae ; apex of 

 rachis abrupt ; leaflets alternate. 



No. 10. Bipinnate, abrupt, with three pairs of pinnae ; leaflets 

 alternate, unequal in size, rotund or oval at the base of pinna, oblong, 

 obtuse and minutely cuspidate on upper part of pinna, pale green, 



