PALAEOSTACHYA 



65 



of one kind, and of similar dimensions to those of 

 Calamostachys Binneyana. 



The apparently axillary position of the sporangio- 

 phores in Palaeostachya evidently suggests caution in 



Fig. 26. — Palaeostachyavera. Transverse section of cone. Surrounding the fistular pith 

 is the ring of bundles (v£>) grouped in pairs. Outside them is the cortex and disc (c). 

 sp, pedicels of the sporangiophores, some shown attached to the axis, others between 

 the sporangia (sm) } which are grouped in fours around the sporangiophores ; sp', 

 remains of peltate lamina of a sporangiophore ; br, bracts. X about 7. S. Coll. 474. 

 (G. T. G.) 



accepting the current view that these organs in 

 Equisetineae are simply leaves. Mr. Hickling's obser- 

 vations have cleared up, for the first time, the course of 

 the vascular strands which supply the sporangiophores. 

 He finds that they start from the same node as the 



5 



