454 



ON SEEDLINGS 



No. 1. Unifoliolate, small; leaflet obovate. 



No. 2. Trifoliolate ; leaflets unequal. 



No. 3. Quadrifoliolate ; an extra, small, lateral leaflet present at 

 the base of the terminal one, but probably a malformation. 



No. 4. Trifoliolate ; leaflets oblong, obtuse, minutely emarginate ; 

 terminal leaflet largest. This applies to most or all of the leaflets 

 that follow. 



Nos. 5 and 6. Five-foliolate. 



Nos. 7-10. Seven -foliolate. 



Castanospernmm australe, A. Cunn. (fig. 295). 



Primary root long, 

 tapering, stout, giving 

 off lateral, branched 

 fibres. 



Hypocotyl unde- 

 veloped. 



Cotyledons enor- 

 mously large, semiglo- 

 bose, fleshy, filling the 

 seed and conforming to 

 it in shape, persistent 

 and subterranean, re- 

 maining in the testa 

 which splits irregularly. 



Plumule very large 

 and well developed, 

 fleshy. 



Stem erect, terete, 

 ultimately woody, and 

 forming a tall tree. 



Leaves compound, 

 imparipinnate, cauline, 

 alternate, stipulate, peti- 

 olate ; leaflets large, 

 leathery, exstipellate. 



FIG. 295. Castanospermum australe. Nat. ei 



Myroxylon pemiferum, L. fil. 

 Hypocotyl usually subterranean. 



Cotyledons fleshy and remaining in the large seed till they are 

 exhausted and decay. 



Stem woody, erect, terete, pubescent, pale green, ultimately grey, 



