(1900); Webber, " Development of the Antherozoids of Zamia," Bot.
Webber, and more recent work enables us to assume that all cycads produce ciliated male gametes.
In addition to these cauline (fi rstcell).(After strands (confined to the stem and not connected Webber.) with the leaves), collateral bundles are often met with in the pith, which form the vascular supply of terminal flowers borne at intervals on the apex of the stem.