Flff. ô l. iViONÜGKAmûliii. w/, s o
6, transverse section of the same through the sorus; c, § Henro-
gramme, fertile portion ; ft small portion of the same magnified,
and showing the venation.
Fig 52. G y m n o g r a m m e . - » , § Eugymnogramme, fertile pinnule ;
6 § Stegnogramme, fertile portion ; c, § Dictyogramme, fertile portion
; ft § Syngramme, fertile portion ; e, / , § Syngramme, sterile
and fertile portions.
Fig. 53. B r a in e a . - » , b, sterile and fertile portions.
Fig. 54. Meniscium.— », b, fertile portions.
F i l 55. A n t r o p h y um .-» , 6, fertile portions, showing the sori
«n n k in a g roove; c, fertile portion, with the sori not sunk in a
groove.
Fig. 66. V ittaria. - », § Euvittaria, fertile portion ; 5,
§ Tæniopsis.
Fig. 57. Tænitis. - » , fertile pinna ; 6, magnified portion, showing
the venation.
Fi» 68. D r ym o g lo s s u m .- » , ste rile and fe r tile frond ; 6, po r tion
o f th e fe r tile , and c, p o r tion o f th e ste rile frond magnified.
Fig. 59. H e m i o n i t i s . - » , § Euhemionitis, fertile p o rtio n ; 6^
§ Anetium, fertile portion.
57,
Htdi.ïÜi.
.39
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