2i6 



MORPHOLOGY 



FlG. 479. — Mature femde gamctophytc of Torrcya, showing the single archcgonium 

 containing a large egg nucleus (0), remnants of the neck canal cell nucleus (nc), and the 

 tip of the pollen tube containing tube nucleus (/»), stalk cell nucleus (stn), and the two 

 unequal male cells (m 1 , m 2 ). — After Coulter and Land. 



