ACACIA SEEDLINGS. 149 



Stem terete, green, sometimes becoming reddish on sunny 

 side, glabrous. First internode '5 to 1 mm.; second 1*5 to 

 7 mm.; third 1 mm. to 2*7 cm.; fourth 3 mm. to 2*5 cm.; 

 fifth 2 mm. to 1*8 cm.; sixth 6 mm. to 2 cm.; seventh 1*2 cm. 

 to 2*1 cm. 



Leaves — No. 1. Abruptly pinnate, petiole slender, from 

 6 mm. to l'l cm. long, pale green, glabrous; leaflets three 

 pairs, oblong, acuminate, 5 to 6 mm. long, 1*5 to 2 mm. 

 broad, the basal pair often narrower, midrib and sometimes 

 two short veins, one on either side, showing under pocket 

 lens, making the leaflet trinerved at the base, upperside 

 green, underside paler ; rachis 6 to 7 mm. long, glabrous, 

 excurrent ; stipules minute. 



No. 2. Abruptly bipinnate, l'l to 2 cm. long, green, 

 glabrous, excurrent ; leaflets three to four pairs, oblong, 

 acuminate, the terminal pair being sometimes obovate ; 

 rachis 7 mm. to l'l cm. long, glabrous, excurrent ; stipules 

 reduced to scales and soon falling. 



No. 3. Abruptly bipinnate, petiole slender, 2 to 2*7 cm. 

 loDg, glabrous, excurrent; leaflets four to five pairs, often 

 mucronate; rachis glabrous, excurrent; stipules 1 mm. long, 

 soon falling. 



Nos. 4 and 5. Abruptly bipinnate, petiole from 1*7 to 

 2*5 cm. long, No. 5 being sometimes dilated and with a 

 strong nerve along the lower margin from the stem to the 

 base of the pinnae; leaflets five to six pairs. 



Nos. 6 and 7. Usually abruptly bipinnate, petiole vertic- 

 ally flattened, 2*2 to 3*3 cm. long, 2 to 3 mm. broad, No. 6 

 having a strong nerve along the lower margin, with the 

 dilated lamina on the upper edge, while No. 7 may have 

 the prominent vein slightly removed from the lower margin, 

 and a fine vein towards the upper edge confluent with the 

 prominent nerve at both ends. No. 7 is sometimes a 

 phyllode. 



