14 



Fig. 19. Dacrydiiim cupressiiuim; megaspore membrane (x 2000) and LO- 



patterns of same. 



Fig. 20. A, Dacrydiiim elatiim; exinc stratification in proximal aposaccium 

 (X 2000) and pollen grain in lateral, longitudinal view (sm-face; nexine 

 contom-s indicated by broken lines; x 1000). B, D. araiicarioides; pollen 

 grain in lateral, longitudinal view (surface; distal face invaginated as indi- 

 cated by the broken line just below the centre of the figure; x 1000); a, 

 proximal face (x 250); b, distal face (x 250). 



