Fossil plants, Vol. 2: A text-book for students of botany and geology

by A. C. Seward

[352] Carruthers (69²) p. 6.

[353] Williamson (80) A.; (93); (95).

[354] Wünsch loc. cit.

[355] Binney (71) p. 56.

[356] Carruthers (69).

[357] Seward and Hill (00).

[358] Williamson (96) p. 175.

[359] The term meristematic zone is used because some of the cells in this region are in a state of active division, though the inner portion may consist of permanent tissue.

[360] Scott (00) p. 131; (08) p. 142.

[361] Seward and Hill (00) Pl. II. fig. 14.