474 



OX SEEDLINGS 



Fio. 309. Acacia verticillata. 

 Half nat. size. 



FIG. 310. Acacia dealbata. 

 Half nat. size. 



pinnae with a subulate acute 

 aristate point; stipules small, 

 subulate, acute, or lanceolate and 

 aristate, reduced to small dark 

 hairs where the phyllodes are ver- 

 ticillate or suppressed, but usually 

 well developed where these are 

 scattered. 



No. 1. Pinnate with two pairs 

 of leaflets. 



Nos. 2-5 inclusive. Bipinnate 

 with one pair of pinnae ; leaflets 

 varying from obovate-oblong to 

 oblong (the commoner form), 

 obtuse, aristate, folding upwards 

 and forwards face to face at 

 night. 



No. 6 (in specimen sketched). Re- 

 duced to a small laterally compressed 

 phyllode, about 8 mm. long. 



Nos. 7-11. Forming a half whorl of 

 phyllodes. 



Nos. 12-16. Forming a broken or in- 

 terrupted whorl. 



No. 17. A solitary phyllode. 

 Nos. 18-23. A whorl of phyllodes. 



Acacia dealbata, Link. (fig. 310). 



Primary root tapering, with a few 

 colourless lateral rootlets. 



Hypocotyl terete, firm, glabrous, 

 brownish, 3-4 cm. long, '5-1 mm. 

 thick. 



Cotyledons sessile, 6 or 7 mm. long, 

 1*25 mm. in diameter when rolled up, 

 3 mm. when opened out, revolute, 

 oblong, entire, obscurely nerved on the 

 outer side, with a very prominent midrib 

 below, thin, light green. 



Stem firm, terete, but slightly uneven 

 and downy, brownish -green ; 1st inter- 

 node undeveloped ; 2nd about 1 cm. 

 long, -5-1 rnm. thick. 



