ACACIA SEEDLINGS. 



107 



Uninerves — Racemosse. 



Acacia prominens, A. Ounn. Seeds from Gosford — (J. H. 

 Maiden). Growing on sandy soil. (Plate X, Numbers 

 1 to 4.) 

 Seeds black, obovate, 4*5 to 5 mm. long, 3*5 mm. broad, 

 2*5 mm. thick. 



Hypocotyl erect, terete, pale brown to reddish-brown, 

 1*7 to 2 cm. long, 1*3 to 1*5 mm. thick at base, about 1 mm. 

 at apex, glabrous. 



Cotyledons sessile, obovate, slightly sagittate, 5 mm. 

 long, 3 mm. broad, at first erect, becoming horizontal and 

 revolute in a few days, and later cylindrical, falling off in 

 a few weeks; outer or underside reddish-brown with one 

 or two raised longitudinal lines ; upperside dark green, 

 glabrous. 



Stem terete, at first reddish-brown with a few scattered 

 hairs, later pubescent ; first internode *5 mm., second 2 to 

 5 mm.; third 2 to 4 mm.; fourth and fifth 4 to 5 mm. 



Leaves — No. 1. Abruptly pinnate, and showing before 

 the cotyledons are two days old, petiole about 5 mm. long, 

 reddish-brown, with a few scattered hairs; leaflets four to 

 six pairs, oblong acuminate, sometimes mucronate, 5 to 

 8 mm. long, 1 to 2 mm. broad, upperside green, underside 

 at first red, becoming pale green; rachis 7 mm. to 1*5 cm. 

 long, brownish-green, usually glabrous or with a few 

 scattered hairs. 



No. 2. Abruptly bipinnate, petiole about 1 cm. long, at 

 first pilose, often becoming pubescent, excurrent; leaflets 

 four to six pairs, upperside green, paler underneath. 



No. 3. Abruptly bipinnate, petiole 1 to 1*4 cm. long, at 

 first pilose, becoming pubescent, slightly channelled above, 

 usually with a prominent gland near the middle of the 

 upper edge ; leaflets six to nine pairs, upperside green, 



