THE ANGIOSPERMAE 



1491 



Fig. 1363. — Number of 

 genera in all seed types 

 having endosperm (white 

 blocks) and lacking en- 

 dosperm (black blocks). 

 Progression towards the 

 non-endospermic condi- 

 tion is evident among 

 genera of the higher seed 

 types. (After Alaiiin.) 



Fig. 1364. — Celastrus orbicii- 

 latus. Shoot with dehis- 

 cent capsules, re\ealing 

 the seeds which are co\- 

 ered with Heshy scarlet 

 arils. 



BASAL 

 RUDIMENTARY Q 



6ROAD [] 



CAPITATE W 



LATERAL 



PERIPHERAL 

 PERIPHERAL ( 



AXILE 

 LINEAR I 



DWARF 



MICRO I] 



SPATULATE 



BENT 



FOLDED 



INVESTING 



NO. OF GENERA f 

 



I ' I ' I ' I 

 100 200 300 400 



Fig. 1 365 . — Alectryon excehus. 

 Sapindaceae. Section through a 

 dehisced capsule from which 

 emerges the single seed with its 

 expanded, complex and edible 

 aril. {After Baillon.) 



