326 



PALEOZOIC TIME. 



been called Antholites. Newberry now regards the kind represented 

 in Fig. 625 as the fruit bearing stem of a Lycopod, of some yet un- 

 determined kind. It is well known that many Lepidodendrids had 



Fiffs. 6-30-633. 



Fig. 630, Odontopteris Schlotheimii : 631, Alethopteris lonchitiea; 632, Hymenophyllites Hil- 

 drethi ; 632 a, portion of the same, enlarged ; 633, Sphenopteris Gravenhorstii ; 633 a, portion 

 of the same, enlarged. 



long cones, much resembling those of ordinary Conifers. Fig. 626 

 looks like the incipient stage of the form in Fig. 625. Hooker has 

 regarded such specimens as containing undeveloped leaf-buds. Fig. 

 627 appears to represent the fruit of some plant, but of what there is 

 still doubt. 



2. Ferns. — The Ferns were mostly of the low herbaceous kinds, 

 although Tree-ferns occurred. Some of the fronds were six to eight 

 feet in length. Two large scars left by the fallen fronds of a Tree- 

 fern are shown in Figs. 628, 629, and the form and structure of a 



