CYCADALES 



ii: 



no sympodium, the summit of the vegetative axis continuing the 

 growth of the stem. Such a condition among the cycads connects 

 with the branching habit among Bennett itales. 



/ V I 



97 



f V 



96 



98 



Figs. 96-98. — Zamiafloridana: fig. 96, longitudinal section of apex of stem, showing 

 a young staminate cone; v, lateral stem tip; /, very young leaf; fig. 97, longitudinal 

 section of ape.x of stem, showing two young staminate cones; v, stem tip; /, young 

 leaves; fig. 98, diagrams based upon preparations like those shown in figs. 96 and 97; 

 a, sympodium, showing relations of strobili, crowns, and trunk; b, the same with 

 internodes shortened; c, internodes shortened until the cones are on a level, as in 

 Zamia. — .\fter F. Grace Smith (56). 



The length of the staminate cones varies from 2 cm. in some species 

 of Zamia to more than 50 cm. in species of Ence phalartos and Cycas. 



