540 



LIFE-HISTORIES 



t'li 



V FV 



t li 



r L 



i L E 



Fig. 367. — Tree-Fern. Section of trunk. A wedge cut from the same, 

 magnified to show the pith (P), a fibro vascular bundle (V F V) with 

 its sclerenchyma (F B) and vessels (V S), and the rind (F L) and 

 epidermis {E). (Baillon.) 



Fig. 368. — Fern Brood-bud {Aspidium Filix-mas) on base of leaf-stalk, 1. 



(Luerssen.) 



