MR ROBERT KIDSTON ON SIGILLARIA ELEGANS. 
Transverse section of periderm x 50. The part enlarged is seen on fig. 20, pd.’ Slide 
962. — 
Section of leaf cushion approximately parallel with the surface x 14. Position of leaf trac 
lt. Parichnos, par. Transparent parenchymatous tissue, p. Slide No. 973. - 
Section approximately parallel with outer surface of stem x 8. Free portions of leaf cushion 
lc. Cone pedicels, cs., cs.’ Slide No. 972. | 
Portion of transparent parenchymatous tissue of the leaf cushion shown at fig. 22, p., x 60. — 
Slide No. 973. , . 
Transverse section of cone pedicel x 20. Slide No. 972. See description in text, page 54 
Portion of the cortex shown at fig. 25, c.,x 35. Slide No. 972. " 
Transverse section of vascular strand of cone pedicel x 70. Thin-walled disorganised tiss 
h. Vascular strand, &. Endodermis-like structure, e. Slide No. 972. : 
Tangential section through secondary xylem x 95. Medullary rays, m.r., cut throug] 
right angles. Slide No. 969. 
