150 BOTANICAL GAZETTE [FEBRUARY 
and the condition of the staminate cones in the field at Springsure, 
about 1100 miles farther north, on December 1 would indicate 
that in the field the pollen had been shed at about the same time, 
or perhaps a little earlier. On December 1 the generative cell has 
& 2 & : 
1 Wipes a XS 
‘Z LT TTS 
Fics. 6-11.—M. Moorei: fig. 6, pollen grain at the shedding stage, November 3, 
1911, showing prothallial cell, generative cell, tube cell, and starch grains; X800; 
fig. 7, pollen grain; the elongated area is not covered by exine; 800; fig. 8, pollen 
tube, December 1, 1911; X480; fig. 9, upper part of female gametophyte, February 
1912, showing deep archegonial chamber and young embryo; x6; fig. 10, portion 
of parietal tissue of proembryo at x of fig. 9; X130; fig. 11, tip of embryo shown in 
fig.9; X58. 
already divided, forming the stalk and body cells, and the blepharo- 
plasts have appeared (fig. 8). The pollen tube structures at 
stage are about as in Dioon, there being scarcely any branching of 
