ACACIA SEEDLINGS. 109 



long, 1*5 to 5 mm. broad, midrib distinct on underside, 

 upperside green with splashes of reddish-brown, underside 

 reddish-brown; rachis 1*5 to 2'2 cm., with terminal seta; 

 stipules reduced to scales. 



No. 2. Abruptly bipinnate, petiole 1*7 to 2 cm. vertically 

 flattened to from 2 to 3 mm. broad, the midrib sometimes 

 distinct, at others absent or coinciding with the lower 

 margin, the upper and lower margins nerve-like, gland near 

 base, terminal seta present ; leaflets two to four pairs, often 

 unequally pinnate, oblong-acuminate to obovate, 2 to 6 mm. 

 long, 1 to 3 mm. broad; rachis up to 7 mm.; stipules 

 reduced to scales. 



Nos. 3 to 6. Phyllodes from 3 to 8 cm. long, 8 mm. to 2*7 

 cm. broad, falcate, with distinct midrib, prominently 

 penninerved, the upper margin sinuous with from one to 

 three lobes terminating in a gland. 



This is the fifth seedling described in this series where the 

 No. 3 leaf may be reduced to a phyllode, the previous cases 

 being A, excelsa, A. ctlata, A. aspera, and A. flexifolia. 

 (See A. Oswaldi, infra,) 



Uninerves — (Racemosse). 



Acacia difformis R. T. Baker. 1 Seeds from Wyalong, 

 New South Wales. (Plate II, Numbers 7 to 9.) 



Seeds brownish or rusty-black, oblong-oval, 7 to 8 mm. 

 long, 3*5 to 4 mm. broad, 2 mm. thick. 



Hypocotyl terete, very pale green, to pale pink or red, 

 1'3 to 4*5 cm. long, 2 to 2*5 mm. thick at base, "8 to 1*2 mm. 

 at apex, swelling into flange at root, constricted immedi- 

 ately above the soil, glabrous. 



Cotyledons usually two, in one case three, sessile, 

 auricled, oblong, apex rounded, 9 mm. to 1 cm. long, 3*5 to 



1 Proc. Linn. Soc. N.S. Wales, xxn, 154, (1897). 



