420 Boodle.— Anatomy of the Schizaeaceae . 
Fig. 14. Schizaea digitata. Transverse section of young petiole, x 260. 
Fig. 15. Schizaea dichotoma. Diagram of transverse section of node. x 30. 
Fig. 16. Anemia Phyllitidis. Diagram of transverse section of stem. 1 . t., 
leaf- trace ; r., roots, x *]%. 
Fig. 17. Anemia Phyllitidis. Transverse section of petiole, x 75. 
Fig. 18. Anemia Phyllitidis. ‘Cavity-parenchyma’ connected with the median 
protoxylem-group of the petiole, r., rings of an annular tracheide. x 390. 
Fig. 19. Anemia Phyllitidis. Fibre representing a lignified sieve-tube, from the 
petiole, x 900. 
Fig. 20. Anemia Phyllitidis. Silica-nodule from the ground-tissue close out- 
side the endodermis of the petiole, x 900. 
Fig. 21. Anemia Phyllitidis. Transverse section of primary root of seedling, 
x 390. 
Figs. 22 and 24-31, represent transverse sections of the seedling-stem at succes- 
sively higher levels. 
Fig. 22. Anemia Phyllitidis. Transverse section of stem of seedling, x'., 
xylem of first leaf-trace, x 390. 
Fig. 23. Anemia Phyllitidis , seedling. Xylem of first leaf-trace in cortex of 
stem, x 900. 
Fig. 24. Anemia Phyllitidis. Xylem of stele after departure of first leaf-trace. 
One parenchyma-cell is seen inside the xylem-mass. x 390. 
Fig. 25. Anemia Phyllitidis , seedling. The endodermal cells are marked with 
crosses, x 390. 
Fig. 26. Anemia Phyllitidis , seedling. The four elements in the centre marked 
with crosses are sieve-tubes, x 390. 
Fig. 27. Anemia Phyllitidis , seedling, ph ., internal phloem, x 390. 
Fig. 28. Anemia Phyllitidis , seedling. Diagram showing a row of endodermal 
cells ( e .) connected with the outer endodermis. x 90. 
Fig. 29. Anemia Phyllitidis , seedling. Diagram showing a ring of inner 
endodermal cells ( e .) enclosing one parenchymatous cell, x 90. 
Fig. 30. Drawing of the same, e., inner endodermis ; ph ., inner phloem, 
x 39 °- 
Fig. 31. Anemia Phyllitidis , seedling. Diagram showing both xylem and endo- 
dermis horseshoe-shaped, x 90. 
Fig. 32. Anemia Phyllitidis , seedling. Transverse section of petiolar bundle 
of early leaf. probably fibres, x 390. 
Fig. 33* Anemia Phyllitidis , seedling. Transverse section of young petiolar 
bundle of later leaf, x 390. 
Fig. 34. Anemia Phyllitidis , seedling. Transverse section of one of the steles 
in the stem ; early stage with only a few tracheides differentiated, x 390. 
Fig. 35* Mohria caffrorum. Diagram of transverse section of stem, r., roots ; 
a., ‘ stem -steles ’ ; b., leaf-trace ; sc., sclerenchyma-group accompanying leaf-trace. 
x 71 - 
Fig. 36. Mohria caffrorum. Diagram of transverse section of petiolar bundle. 
sc., sclerotic cells ; the phloem is shaded, x 45. 
Fig. 37. Mohria caffrorum. Part of longitudinal section of young stem, show- 
ing two sieve-tubes (ph.) and one protoxylem element, x 390. 
Fig. 38. Anemia mexicana. Transverse section of the stele in the rhizome. 
X 4 °. 
