ACACIA SEEDLINGS. 421 
rowed at the base, often witha small outward curved point 
at the apex, midrib distinct, and finer vein above which is 
not always continuous to the apex, lateral venation fairly 
clear, small gland near base, slightly viscid but less so than 
phyllodes of more mature plants. 
UNINERVES—(Racemosz). 
ACACIA CHALKERI Maiden.* Seeds from Wombeyan Caves, 
New South Wales, (O. Trickett). Growing on lime- 
stone formation. (Plate XXXII, Numbers 7 to 9). 
Seeds black, oblong to oblong-oval, 4 to 5 mm. long, 2 to 
3 mm. broad, 1 mm, thick. 
Hypocotyl erect, terete, reddish-green to brownish-red 
above soil, pale beneath soil, 1°2 to 3 cm. long, 2 to 2°7 mm. 
thick at base, 1 mm. thick at apex, glabrous. 
Cotyledons sessile, sagittate, oblong-oval, about 7 mm. 
long, 3 mm. broad, becoming revolute in a week or two, 
outer or underside dark green, with a few raised longitudinal 
lines, inner or upperside green, glabrous. 
Stem terete, green, glabrous. First internode °5 mm.,; 
second 1 to6mm.; third 1 to 8 mm.; fourth 3 mm. to 1°6 
cm.; fifth4mm.to1°7cm.; sixth6 mm. to 1°3 cm.; seventh 
4mm, to 1°3 cm. 
Leaves—No.1. Abruptly pinnate, petiole 3 to 5 mm. long, 
green to reddish-green, glabrous; leaflets three pairs, 3 to 
4mm. long, 2 mm. broad, oblong-acuminate, the terminal 
pair being sometimes obliquely cuneate, venation obscure, 
midrib showing under pocket lens, upperside green, under- 
side brown to pale green, glabrous; rachis 3 to6 mm. long, 
green, glabrous, excurrent, the point being often brown; 
stipules reduced to scales. 
1 This Journal, xix, 482, (1915). 
