330 



PALAEOZOIC SYSTEM OF ROCKS. 



Figs. 392-399.— Devonian Plants (after Dawson): 392. Psilophyton princeps, restored. 393. a, 

 Lepidodendron Gaspianum; b. same enlarged. 394. a, Asterophillites latifolia; b, fruit of same. 

 395. Cyclopteris obtusa— a Fern. 396. Neuropteris polymorpha. a Fern. 397. Cyclopteris Jack- 

 soni, a Fern. 398. Dadoxylon Ouangondianum, a Conifer: a, Pith ; b, Pith-sheath : c. Wood. 

 399. Sections of same: x, Longitudinal; y, Transverse, enlarged— z, greatly magnified, show- 

 ing disk-like markings. 



