xxxvi] 



CYCADEOIDBA 



405 



Fig. 529. Oycadeoidea dcKotmsis. Transverse sections of a young ovulate 

 strobilus. A, near the summit of the strobilus 2 cm. below the surface of 

 the armour of leaf-bases, showing numerous bracts surrounding the recep- 

 tacle and embedded in a mass of ramenta, also sections of some leaf-bases 

 with vascular bundles. B, in this section, 2-5 cm. below A, the peduncle of 

 the strobilus is seen with a cylinder of vascular bundles ; b, a bract belonging 

 to an adjacent strobilus.' (After Wieland; nat. size.) 



