128 



MORPHOLOGY OF SPERMATOPHYTES 



FIG. 91. (fnetum Gnemon: A, ovulate strobilus; J5, strobilus upon which only one 

 seed has matured ; <?, longitudinal section of a young ovulate strobilus, x 24 ; Z>, 

 later stage, showing ovules and paraphysial hairs (A), x 45 ; E, longitudinal section 

 of an immature ovulate flower, showing u perianth " ( JP), inner integument (*), rudi- 

 mentary outer integument (r), and nucellus (ri) ; F, nucellus showing three mother 



