COMPENDIUM. l3 



GENUS 74a. AGLAOMORPHA. Like genus 74, 

 "but the sori springing from the veins only. 



GENUS 75a. PALTONIUM. Sori linear, 1 on each 

 side of the costa, parallel to the margin, marginal 

 or suhmarginal. Fronds simple, rather uniform. 

 Tribe XI. Acrosticheae. 



GENUS 86a. LEPTOCHILUS. Veins anastomosing 

 copiously. Fronds simple or divided, if pinnate, 

 the pinnae not articulate to the rachis; each 

 segment with a single costa. Spores oblong, 

 ovate or 2-lateral. 



GENUS 86c. LOMAGRAMMA. Like genus 86a, but 

 the veins sometimes free, the fronds always 

 pinnate and the pinnae articulate to the rachis. 

 Series 19. ElxstiiESoiaSae. 

 FAMILY IX. MARATTIACEAE. 



GENUS 90. ANGIOPTERIS. Sporangia in 2 op- 

 posite close rows, not concrete, + 10 — 20 to 

 a sorus. Fronds 2 — 3-pinnate. 



GENUS 90a. MACROGLOSSUM. Like genus 90, 

 but the sporangia more numerous, + 20 — 60 

 'to a sorus. Fronds simply pinnate. 

 lI¥»R©PTEfiai®ES (Hydropteridineae). 



