ACACIA SEEDLINGS. 431 
Cotyledons sessile, auricled, oblong, apex rounded, 8 mm. 
long, 3°5 mm. broad, becoming revolute and cylindrical 
within one week, outer or underside yellowish, sometimes 
becoming brownish-red, with raised portion 1 mm. broad 
extending along centre from base to apex, outer flanges 
thinner, inner or upperside yellowish to reddish-green, 
becoming green, glabrous on both sides. © 
Stem terete, green to reddish-green, later becoming 
bluish, hirsute. First internode °5to2 mm.; second 2 mm. 
to 3 cm.; third 7 mm. to 1°5 cm.; fourth about 1 cm.; fifth 
1°4 to 2°4 cm.; sixth 1°8 to 5°3 cm.; seventh 3°2 to 6 cm. 
Leaves—No. 1. Abruptly pinnate, petiole 4 to 6 mm. 
long, reddish to reddish-green, with a few scattered hairs; 
leaflets four to five pairs, oblong-acuminate, 4mm. to 1 cm. 
long, 2 to3°5 mm. broad, midrib often distinct on underside, 
secondary vein showing under pocket lens, upperside green, 
sometimes reddish-green, underside reddish to reddish- 
green, becoming pale green, margins often red; rachis6 mm. 
to 2°4 cm. long, reddish-green, becoming green, glabrous 
or with a few hairs, excurrent; stipules reduced to small 
scales. 
No. 2. Abruptly bipinnate, in one case with two pairs of 
pinne, the lower pair not quite opposite, petiole 7 mm. to 
2-1 cm. long, pilose, with a band of reddish-green at the 
base; leaflets five to six pairs, 4 to 8 mm. long, 2mm. broad, 
the basal pair smaller, oblong-acuminate, often mucronate, 
the terminal pair often obovate; rachis 1 to 1°6 cm. long, 
with brown band at base, glabrous, excurrent; stipules as 
in No. 1. 
Nos.3and 4. Abruptly bipinnate, No. 3 with one or two 
pairs of pinnee, and No. 4 with one, two or three pairs, 
petiole from 1 cm. in No. 3 to 2°5 cm. in the case of the 
common petiole of No. 4 having three pairs of pinng, pilose 
to hirsute; leaflets six to eight pairs in No. 38, and six to 
