COMPENDIUM. 11 



Fronds divided, tliin, more or less copiously 

 fibrillose-pilose on botli sides, articulated to 

 the rhizome. 

 Tribe VIM. Gymnogrammeae. 



GENUS 62. CONIOGRAMMA. Venation free, pinnate. 

 Fronds nalved, or sparingly hairy beneath. 



GENUS 62«. ANOGRAMMA. Venation free, flabel- 

 late-dichotomous. Fronds naked beneath. 



GENUS 63. CEROPTERIS. Venation free, pinnate. 

 Fronds white- or yellow-powdery beneath. 



GENUS 65. LOXOGRAMMA. Sori parallel, mostly 

 oblique to the costa, rarely parallel or sub- 

 parallel to it. 



GENUS 67a. HEMIGRAMMA. Fertile fronds much 

 contracted, with the sori in parallel rows on 

 each side of the costa, with indistinct or without 

 main veins, and the areolae without free veinlets. 



GENUS 67b. CAMPYLOGRAMMA. Fertile fronds 

 not or slightly contracted, with the sori running 

 in various directions, with distinct main veins, 

 and the areolae with free veinlets. 

 Tribe IX. Grammitideae 



GENUS 68. MONOGRAJVIMA. Sori costal, often 

 protected by 1 — 2 lateral outgrowths of leaf- 

 tissue not belonging to the costal parenchyma. 

 Fronds simple; lateral veins wanting or free. 



GENUS 69. VITTARIA. Sori immersed in marginal 

 or inti-amarginal grooves, the inner lip of the 

 grooves not belonging to the costal parenchyma. 

 Fronds simple, rarely forlsed, not thickened in 

 the fertile region; lateral veins free. 



GENUS 69a. SCLEROGLOSSUJVi. Sori immersed 

 in submarginal grooves, the inner lip of the 

 grooves consisting of the much produced costal 

 parenchyma. Fronds simple, rarely forked, 

 thickened in the fertile region. 



GENUS 70a. BRAINEA. Sori superficial, rather 

 continuous along subcostal transverse veinlets 



