366 



PALAEOZOIC SYSTEM OF KOCKS. 



The general appearance of the tree is that of an Araucarian conifer, 

 or of a gigantic club-moss. The fruit, however, turns the scale of affin- 

 ity in favor of the club-moss ; for the examination of these, which are 



Fig. 494. 



Figs. 489-496— Lepidodexdrids: 489. Lepidodendron modu latum (after Lesquereux). 490. Lepi- 

 dodendron diplotegioides (after Lesquereux). 491. Lepidodendron politum (after Lesquereux). 

 492. Lepidodendron corrugatum, branch and leaves (after Dawscn). 493. Lepidodendron cor- 

 rugatum. branch and fruit (after Dawson). 494. Lepidodendron rigens (after Lesquereux), 

 495. Lepidophloios Acadianus, fruit (after Dawson). 496. Lepidostrobus (after Lesquereux). 



