. ß i n ( ) ^ " £*x • Fig. 29. Gymnogramme argentea (Bory) Mett. var. aurea (Bory) Mett. I. Blattrand umgeschlagen, oft modifiziert, Fiedern fast gleichseitig. 1. Fiedern gegliedert-gestielt Pellaea. 2. Fiedern nicht gegliedert-gestielt Doryopteris. II. Blattrand kaum umgeschlagen. Spreuschuppen Nothochlaena. ß) Adern am Ende verdickt. I. Blattrand überall ± umgeschlagen Cheilanthes. II. Blattrand nur über dem buchtenständigen Sorus als Decklappen umgeschlagen. Hypolepis. b) Blätter dimorph Cryptogramme. -,*
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