Ons.— A. obliquum of Blume is founded on simple fronds, 
which may be considered as an abnormal state. 
Tribe 7.—MENISCEJZE. (Plate 7.) 
Fronds pinnate, rarely simple. Veins anastomosing, 
evident. Sori linear, arcuate transverse or reticulated, 
often confluent. e 
Oss.—This tribe consists of about a dozen species, th 
principal number being comprehended under the genus 
Meniscium. 
Hitherto I have associated Meniscium with Dictyopteris 
and Goniopteris, and there is no doubt that it forms a 
natural connection between Pæcilopteris and these genera; 
but on viewing what I have stated under Puecilopteris, I 
now consider it to have more relationship with that genus 
than with its former allies, I therefore rank it as a transition ` 
tribe between Acrostichew and Phegopteridee, of which 
Menisciwm simplex is an example, and, as already stated 
at page 62, cultivated plants become truly acrostichoid, 
but as the venation of the sterile frond is more in character 
with that of Meniscium than with Pecilopteris, I therefore 
retain it under the former. 
62,.—Meniscium, Schreb. (1791). 
|. V Vernation decumbent, subfasciculate. Fronds contiguous, 
-~ pinnate, rarely simple, 1 to 8 feet high: Primary veins 
. costæform, pinnate, each opposite pair of venules angularly 
or arcuately anastomosing, and sporangiferous, producing 
from their junction an excurrent, free, sterile veinlet. 
Receptacles linear, continued across the junction of the 
some species pilose. 
CHARACTERS OF TRIBES AND GENERA, E cc. 
venules, forming arcuate transverse sori. Sporangia in | : 
