﻿lO. LY60DIUM.. § 1. EULYGODltM. llS 



smaller. Texture herbaceous; rachises and surfaces hairy; costae subflexuose, 

 not nodose at the base. Fertile pinnulae like the barren ones but smaller, 

 more deeply incised and commonly so contracted that there is a little or no 

 lamina present. Spikes to 5 or rarely to 10 m.M. long. Spores verruculose. 

 Trap, and temp. Asia. 



11. SCHIZAJEA., Smitn. 



Sori linear, consisting of 2 or 4 regular or nearly regular rows of sessile 

 sporangia, covering the inner side of the ± close branches of the pinnate or 

 digitate, fertile apices of the fronds (or segments of the fronds). Indusium 

 wanting, but the young sori + covered by the incurved edges of the fertile 

 segments. 



Rhizome creeping or erect. Fronds simple or dichotomous, erect. Small 

 plants, very distinct in habit, Hk. Bk., Syn. Fil., tab. VIII, fig. 64; Diels, in 

 Engl, k Prantl, Nat. Pfl.Fam., P, fig. 195. 



Tropical and extra-tropical. 



Arrangement of the sections. 



$1. EUSGHIZAEA. Fertile portion pinnate, barren simple, linear. Sporangia 



2-serial. 

 § 2. LOPHiOIUM. Fertile portion pinnate, barren dichotomous. Sporangia 



2-serial. 

 § 3. ACTINOSTACHYS. Fertile portion ± digitate, barren simple, linear. 



Sporangia appearantly 4-serial. 



§ 1. EUSGHIZAEA. 



)fc. Fertile spikes 3 — 6- jugate, the lowest ones 5 — 7 m.M. long. (1) S. malaccana. 

 >^:.5tc:. Fertile spikes iO — ^-jugate, the lowest ones ± 3 m.M. long. 



(2) S. fistulosa. 



