104 
FERNS : BRITISH AND FOREIGN. 
Division II. Desmobrya. 
Fronds in vernation terminal, uniserial or fasciculate, their 
bases adherent and continuous with the stem, which is either 
a caudex or sarmentum. 
Tribe IV.-ACROSTICHEiE. 
Sori undefined (amorphous), naked. Fertile fronds or seg- 
ments always more or less contracted ; the under side (or rarely 
both sides) densely sporangiferous. Acrostichum, Linn. 
§ 1. Elaphoglossece. Fronds ahvays simple. Veins free or 
rarely combined at the margin or reticulated. 
* Veins free. 
29. ELAPHOGLOSSUM, Schott.; J. Sm. 
Vei-nation uniserial and sarinentose, or subfasciculate and 
decumbent, squamose. Stipes often pseudo-articulate, node 
Genus 29. — Portion of barren frond, 
under side. No. 3 . 
Genus 29 . — Portion of fertile 
frond, under side. No. 3 . 
