i f k T a h . I I Í
T a b . I I I .
Pig. 25. C h e i l a n t h e s . — », fertile pinna ; 6, portion of the same,
one involucre tamed back.
Fig. 26. C a s s e b e e r a .— », fertile pinna ; h, portion of the same,
with sorus.
Pig. 27. Onvchiuji. - ». fertile segment ; h, portion of the same,
with involucre turned back.
Fig. 28. I.LAVEA.— », barren segment ; 6, portion of the fertile
frond ; c, the same, unrolled.
Fig. 29. C r y p t o g r a m m e .— » , segment of barren frond ; h, segment
of fertile frond ; c, section of tbe same, unrolled.
Fig. 30. P e l læ a .— », ¡hunule of § Platyloma ; b, portion of the
same.
Fig. 31. P t e r is .— », b, § Eupteris ; c, § Heterophlebium ; d, e,
5 Pcesia ; f , occasional double involucre of the same ; g, § Campteria;
§ L ito b ro ch ia ; i, § A m p h ib le stra : all, p o rtio n s of th e fro n d se lected
tl) show b o th fructification an d venation.
Pig. 32. C e r a t o p t e r i s .—», 6, portion of the fertile frond ; c, section
of the same, unrolled ; ft e, capsules ; f , spoies.
Eig. 33. Lomaría.—», barren pinna ; 6, fertile pinna ; c, the same,
with the invokici’e partially unrolled.
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