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L en g th of frond from eig h t to twelve inches.
V'enation reg u la r, internal, reticulated, forming oblique-elongated
arcóles.
Sori marginal, linear, and continuous.
Indusium narrow.
'J'he genus D u n jo p tm s has some similarity to b oth Platyloma
and Cassebeera, yet those of Doryopteris are easily recognised
by their re ticulated veins. 'I'hc only difference between D o r y opteris
and Litobrochia appears to be in th e ir habit, and that
is so distinct as to ren d e r it desirable to separate them from
P te ris.
'i'hcrc is no British representative of this genus.
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