'\ ■S€£%?---;.'- ^ 



;60 



200 



i 



Primary Wood 



Mixed Pith 



10O 



Pith 



Protoxylem 



— • — • — .— Endodermis 



Fig. 11 



Various Lycopod steles: a, Lepidophloios Wuenschianus. b, 

 Lepidodendron selaginoides. c, Lycopodium volubile. d, L. 

 cernuum. E, L. squarrosum. f, L. serratum 



N.B. Leaf-traces have been omitted for the sake of clarity 



(a, b, after Hirmer; c. d, Pritzel; e, Jones) 



