400 



ON SEEDLINGS 



of leaflets. The latter are chiefly noticeable on account of the 

 much greater size of the terminal ones compared with those 

 towards the base of the pinnae, where the pairs are often un- 

 equal. Their size, shape, and arrangement seem planned so as 

 to economise space and at the same time expose a maximum 

 surface to light. 



TBIBE PODALYKIE^;. 



Podalyria australis, Vent. 



Hypocotyl short, 3-4 mm. long, erect, terete, glabrous, bluish. 



Cotyledons oblong, obtuse, entire, shortly petiolate, glabrous, 

 green, one-nerved ; petioles short, broad, furrowed on the upper side. 



Stem erect, terete, herbaceous, ultimately shrubby ; 1st inter- 

 node 3-3-5 cm. long ; 2nd ratber shorter. 



First leaf simple (rarely bi- or tri-foliolate), entire, cauline, stip- 

 ulate, petiolate, obovately oblong, obtuse, 

 glabrous, green, pinnatinerved ; subse- 

 quent leaves trifoliolate, cauline, alternate ; 

 leaflets obovately oblong, obtuse, petio- 

 lulate, occasionally slightly emarginate ; 

 petioles very sbort, furrowed on the upper 

 side ; stipules free, linear-lanceolate, acute, 

 ratber large. 



Chorizema cordifolium, F. Muell. (fig. 

 261). 



Hypocotyl erect, terete, glabrous, pale 

 green, 1-3-2-5 cm. long. 



Cotyledons oblong, obtuse, fleshy, 

 shortly petiolate, deep green above, paler 

 beneath, shining on botb surfaces, falling 

 away early ; lamina 8'5 mm. long, 3 mm. 

 broad ; petiole 1-5 mm. long. 



Stem erect, terete, pubescent, ulti- 

 mately woody ; 1st internode 1-8 cm. long ; 

 2nd 5 mm. ; 3rd 1 cm. ; 4th 7 mm. 



Leaves simple, cauline, alternate, stipu- 

 late, petiolate, thinly pubescent on both 

 surfaces and ciliate, ultimately glabrous or 



pubescent beneath and spiny -serrate, obscurely alternately penni- 

 nerved, deep green above, subglaucous beneath; petioles terete, 

 very short ; stipules linear, slender, pubescent, caducous. 



FIG. 261. 



Chorizema cordifolium. 

 Nat. size. 



