ACACIA SEEDLINGS. 



103 



with a strong nerve along the lower edge and sometimes 

 decurrent on the stem ; leaflets three to four pairs ; 

 stipules as in No. 2. 



No. 4. Sometimes reduced to a phyllode, or abruptly 

 bipinnate with petiole from 1*5 to 

 2 cm. long, 2 mm. broad, with 

 strong central nerve running 

 to the base of the pinnae, and a 

 finer almost parallel nerve above, 

 confluent with the lower one at 

 the base ; leaflets four to five pairs, 

 oblong to obovate-oblong. 



No. 5. Phyllodes from 2*5 to 

 3*5 cm. long and up to 1 cm. broad, 

 lanceolate-elliptical, two-nerved, 

 the lower one being the more 

 prominent, and each having a 

 system of lateral anastomosing 

 veins, glabrous, not viscid, as in 

 the succeeding forms. 



Fig-. 2. Acacia verniciflua. 

 Showing- strong- nerve on 

 petiole of bipinnate leaf. 

 Nat. size. 



Unlnerves — Angustifoliae. 



Acacia leprosa, Sieb. Seeds from Healesville, Victoria. 

 (Plate IX, Numbers 5 to 7.) 



Seeds black, oblong, 3*5 to 4 mm. long, 2 mm. broad, 

 1*3 mm. thick. 



Hypocotyl erect, terete, reddish-green, 1 to 1*6 cm. long, 

 1*3 mm. thick at base, 1 mm. at apex, glabrous. 



Cotyledons sessile, sagittate, oblong, apex rounded, 5 

 mm. long, 2 mm. broad, at first erect but becoming hori- 

 zontal in a few days and later revolute, outer or underside 

 pale green, later becoming brown, with one or two raised 

 lines along central portion, margins reddish-brown to peuce, 

 inner or upperside dark green, glabrous; usually remaining 

 until the phyllodes are present. 



