THE FLOUA OF THE COAL KOKMATION. 



457 



Fig. 171. — Lei)ido]iildoios Acadianus. 



A, Restoration. 



B, Portion of Ijark, 3 natural size. 



C, Ligneous surface of tlie same. 



I, Portion of the same, nat. size, showing (a) 

 pith, (6) cylinder of scalariform vessels, 

 (c) inner hark. 



D, Lower side of a brancli, with scars of cones. K, Portion of woody cylinder, sliowinj; outer 



E, Upper side of the same. and inner series of vessels uiiifjiiified. 



F, Cone, ^. L, Scalaiiforni vessels, highly magnified. 



G, Leaf, natural size. M, Various forms of leaf scars, natural size. 

 II, Cross section of stem, i-educed. 



2 G 



