British ferns and their allies : comprising the ferns, club-mosses, pepperworts, & horsetails / by Thomas Moore.

  • Thomas Moore
Date:
1881
Catalogue details

Licence: Public Domain Mark

Credit: British ferns and their allies : comprising the ferns, club-mosses, pepperworts, & horsetails / by Thomas Moore. Source: Wellcome Collection.

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    12. Adiantum = Dorsal-fruited Ferns, having- the spore-cases in patches, on the reflexed, altered apices of the lobes of the fronds, which form indusia. § CYSTOPTERiDEiE = Fems whose sori /lave special ovate indusia affixed behind the sori, and in- flected hood-liJce over them. 13. Cysfo^fem = Dorsal-fruited Ferns, havin^:^ cu- cuUate or hooded semi-involucriform indusia, attached by their broad base. § WooDsiEiE = Ferns whose sori have special involu- criform or semi-involucriform indusia, roundish, and springing from the bach of the veins. 14. 7/^(9C»^?5ia = Dorsal-fruited Ferns, having the in- dusia involucriform, i.e. attached beneath the sori, and divided at the margin into hair-like incurved segments. § HYMENOPHYLLEiE - Fcms whose sofb are produced around the ends of veins projecting from the margin, and surrounded by nrn-shaped or iwo- valved membranes. ] 5. Trichomanes = Marginal-fruited Ferns, having the sori surrounded by urn-shaped expansions of the frond. 16. ]Ii/menoph?/lhm = 'M-argma\-fnuted Ferns, having the sori surrounded by two-valved expansions of the frond. II. OSMUNDACEiE. This group consists of Ferns having the young leaves circinate, the spore-
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