32 Stopes, a New Fern/roju the Coal Measures. 



Plate 2. 



Fig. 2. Several roots cut in different directions, root a magnified 

 in Fig. 6. b part of outer cortex of a petiole. 



Fig. 3. Central axis, showing branches of stele going to petioles 

 and roots. x 14. 



a. Solid central meristele ; its star shape is due to the 



local breakdown of Tracheides. 

 h. Strand just leaving for a petiole. 



c. Meristele now enclosed in petiole cortex. 



d. Root bundle coming out at the side of the petiole. 



e. Cortex of main axis. 



Fig. 4. Similar to Fig. 3. The root d cut in transverse section. 



]rig. 5. Small portion of the main axis, shewing a strand b 

 beginning to separate from the main mass of the wood w. 

 Surrounding the wood and within the dark band lie the 

 smaller, thin walled phloem cells, //^. {Slide Z i.) 



Fig. 6. Root a of Fig. 2 enlarged. Shews the diarch stele 

 with large metaxylem elements {cf. Fig. 7). 



