ACACIA SEEDLINGS. 413 
Descriptions of Seedlings. 
ALATA, * 
ACACIA ALATA R. Br. Seeds from Botanic Gardens, Sydney, 
(J. H. Maiden), a Western Australian plant. (Plate 
XXXI, Numbers 1 to 3). 
Seeds rusty-brown, oval, 4 mm. long, 3 mm. broad, 1 to 
1°5 mm. thick. 
Hypocotyl erect, terete, creamy to brown, 7 mm. to 1°5. 
em. long, 1°5 mm. thick at base, 1 mm. at apex, glabrous,. 
or rarely with a few short roots just above the base. 
Cotyledons sessile, sagittate, oval to oblong-oval, 5 mm. 
long, 3 to 3°5 mm. broad, outer or underside yellowish- 
green at base, purple towards apex, inner or upper-side 
green to purplish-green, remaining erect, becoming revolute 
and soon falling, glabrous. 
Stem sinuous, slightly angular owing to position of decur- 
rent leaf-stalks, green, glabrous to faintly pilose. First 
internode °5 mm.; second 3 to8mm.; third 7 mm. to 1°3. 
em.; fourth 4 mm. to 1°3 cm.; fifth 5mm. to 1°2 cm.; sixth 
8 mm. to 1 cm. 
Leaves—Nos. 1 and 2. Abruptly pinnate, forming an 
opposite pair, petiole 4 mm. to 1°2 cm. long, terete, green, 
glabrous; leaflets one to two pairs, oblong-acuminate, 
mucronate, 5 to 7 mm. long, 2 to 3 mm. broad, midrib fairly 
distinct, secondary vein showing under pocket lens, light. 
green on both sides, underside slightly paler; rachis up to 
3mm. long, glabrous, excurrent; stipules 1 to 1°5 mm. long. 
In one case only a single pinnate leaf appeared. 
No. 3. A linear phyllode, 5 to 7 mm. long, °5 to 1 mm. 
broad, tapering to a pungent point, slightly decurrent, 
margins pilose; stipules 1 to 2 mm. long. 
No. 4. A linear phyllode, 7 to 8 mm. long, 1 to 2 mm. 
broad, pungent-pointed, decurrent, glabrous or with hirsute 
margins; stipules about 1 mm. long. 
