100 R. H. CAMBAGE. 



Nos. 3 and 4. Abruptly bipinnate, petiole often vertically 

 flattened, 1 cm. long, and up to 1 mm. broad, pilose; leaflets 

 two to three pairs, with scattered hairs which are more 

 numerous towards margins, midrib fairly distinct; rachis 

 pilose, excurrent ; stipules straight, slender 2 to 3 mm. long. 



No. 5. Abruptly bipinnate, petiole more dilated than in 

 Nos. 3 and 4, and with a strong nerve extending just below 

 the centre, from base to apex, pilose to hispid; leaflets up 

 to four pairs. 



Nos. 6, 7 and 8. Usually reduced to obliquely pungent- 

 pointed phyllodes, lanceolate, tapering towards the base, 

 pilose, with a fairly prominent oblique midrib, and often 

 with a second shorter and finer vein above, the two being 

 confluent at the base, the margins hairy; stipules slender 

 but becoming spinescent, 4 mm. long. 



Uninerves — Brevifolise. 



Acacia undulifolia, A. Ounn. Seeds from Yerranderie. 

 (Plate VIII, Numbers 9 to 12.) 



Seeds black, oval-oblong, 5 mm. long, 3 mm. broad, 1 mm. 

 thick. 



Hypocotyl erect, terete, pale red, about 2 cm. long, 1*5 

 to 2 mm. thick at base, 1 mm. at apex, swelling largely 

 into the root, glabrous. 



Cotyledons sessile, sagittate, oblong, apex rounded, at 

 first erect, but soon becoming horizontal, re volute and 

 cylindrical, falling early, 5 to 6 mm. long, 2 to 3 mm. broad; 

 outer or underside light brownish-red, having 1 to 3 ridges 

 along central portion; upperside pale, becoming green, 

 glabrous; margins nerve-like, reddish. 



Stem terete, pubescent; first internode *5 mm.; second 

 1 to 2 mm.; third and fourth 2 to 4 mm.; fifth 3 to 4 mm.; 

 sixth 4 to 5 mm.; seventh 5 to 6 mm. 



