25 



s * 





t. » 



4*. «* 



4t % 



Fig. 40. Jiiniperns snhina; megaspore membrane (optical section), phase 

 contrast. -< 4000. (From von Liirzer in Grana palynologica, 1:2, 195(3.) 



*,"* ♦ ft # • t 



Fig. 41. Jiiniperus sabina; megaspore membrane (surface), phase contrast. 

 X 4000. (From von Liirzer in Grana palynologica, 1: 2, 1956.) 



