THE FLORA OF THE COAL FORMATION. 



453 



Fig. 1G9. — Lepidodendra of Middle Coal Formation. 



A, Branch and leaves of L. Pictonnso, ^ nat. size. A-, Leaf. A', Tivig and leaves, 3. 

 A'', Portion of bark, j. A*, Leaf-scar. A", Bark of old stem furrowed by growth, ij. 

 A', Cone, §. 



B, L. personatuni, leafy branch, 3. B^, Portion of bark, jj. B', Areolo enlarged. B', Leaf. 



C, L. plicatnm, bark of old stem. 



D, L. rimosnm, old stem with furrows, 3. 



E, L. Undulatum, showing furrows and scars of cones, ^. 



