146 R. H. CAMBAGE. 
Jower margin; in No. 9 there were divisions into small 
leaflets on the lower margin of one leaflet, while the other 
of the pair was divided on both sides and formed a pinna; 
in No. 10 each leaflet formed a minute pinna; in No. 11 the 
the lower margin of one leaflet was divided. (Fig. 1.) 
BIrINNATA—(Botryocephale). 
ACACIA ELATA A. Gunn. Seeds from Wentworth Falls, 
Blue Mountains. (Plate V.) 
Seeds black, obovate to nearly orbicular, 5 to 5°> mm. 
long, 4°95 to 5 mm. broad, 1°5 to 2 mm. thick. 
Hypocotyl terete, pale red to red, 1°7 to 4 cm. long, 1°3 © 
to 2°5 mm. thick at base, about 1 mm. at apex. 
Cotyledons sessile, slightly sagittate, oblong-oval to 
obovate, 6 to 6°5 mm, long, 4 to 5 mm. broad, upperside at 
first red, becoming green, underside red with a few slight 
longitudinal ridges. | 
Stem terete, green to brownish-green, glabrous. First 
internode *5 to 1 mm.; second and third 2 mm. to 1°2 cm., 
fourth and fifth 4 mm. to 1°7 cm.; sixth to tenth 5 mm. to 
4°5 cm. 
Leaves—No. 1. Abruptly pinnate, showing early, petiole 
4 to 5 mm., reddish-green, sometimes with small gland, 
glabrous; leaflets four to six pairs, oblong-acuminate, 6 mm. 
to 1 cm. long, 2 to 3 mm. broad, upperside brownish-green 
to green, underside reddish to dark red; rachis 5. mm. to 
1°7 cm., with terminal seta. 
No. 2. Abruptly bipinnate, petiole 8 mm. to 1°2 cm., 
often with gland, glabrous, with terminal seta; leaflets 
four to six pairs, oblong-acuminate, often mucronate, 5 to 
7mm. long, 2to3 mm. broad, the basal pair smaller, upper- 
side green, underside reddish; rachis 1°6 to 2°2 cm., with 
terminal seta. 
