132 R. H. CAMBAGE. 
Description of Seedlings. 
PUNGENTES—(Uninerves). 
ACACIA TETRAGONOPHYLLA F.v.M. Seeds from Broken Hilk 
(H. O. Andrews). (Plate II, Numbers 1 and 2). 
Seeds black, obovate to almost orbicular, 4 to 5 mm. 
long, 3mm. broad, 1°5 mm. thick. 
Hypocotyl terete, pale to pinkish-brown, 1°7 to 3 cm. 
long, 1 mm. thick at base, about °7 mm. at apex. 
Cotyledons sessile, auricled, oval to obovate, 7 to 8 mm. 
long, 4 to 5 mm. broad, upperside green, underside at first 
very pale yellow, becoming pale green. 
Stem terete, brown, glabrous. First internode °5 mm.;. 
second 1 to3 mm.; third 1 to 4 mm.; fourth to seventh 2 
to 6 mm. 
Leaves—No, 1. Simply pinnate, in two cases an opposite 
pair appeared, petiole 4to 9 mm., glabrous; leaflets two 
pairs, obliquely and irregularly oval to oblong, 4 to 7 mm. 
long, 3 to 4 mm. broad, upperside green, underside paler, 
midrib and secondary vein fairly distinct; on one leaf each 
basal leaflet developed small leaflets on the lower margin, 
two in one case and one in the other; rachis 2 to 4 mm.,. 
with terminal seta; stipules reduced to scales. 
No. 2. Abruptly bipinnate, petiole 1°4 to 2 cm., slightly 
dilated vertically, green, glabrous, with terminal seta;. 
leaflets one to two pairs, oblong-acuminate, mucronate, 4 
to 5 mm. long, 1 to 2 mm. broad, upperside green, under- 
side paler; rachis 4 to 5 mm., with terminal seta. 
No. 3. Sometimes a phyllode, 1°8 to 4°5 cm. long, 1 mm. 
broad, or it may be abruptly bipinnate, petiole 1°5 to 2 cm. 
long, 1°5 mm. broad, with distinct midrib, the upper margin 
nervelike, with terminal seta; leaflets one to two pairs, in 
one case the pinna was reduced to a single leaflet, while 
the other pinna had developed as a leaflet with three small 
