NEW GENUS OF FERNS OF THE TRIBE ASPLENIEZ. 235 
. A NEW GENUS OF FERNS OF THE TRIBE ASPLENIEZ 
FROM THE SOLOMON ISLANDS. 
By J. G. Baxer, F.L.S. 
Genus Dretora. Sorus sausage-shaped, running up the erecto- 
patent simple vein from the midrib of the frond to its margin, the two 
equal narrowly strap-shaped valves of the superior membranous indu- 
sium meeting in the middle over the raised vein, and bursting open 
as the sorus matures. — 
Keon, 
D. mrrertrota, Baker,—Rhizome wide-creeping, green, angular, 
woody, naked, under a line thick. Stipe articulated on the rhizome, 
p- 
oa ae é sage 
Amongst familiar European types it is most like Scolopendrium ; bi 
here the sori reach uniformly from the midrib of the frond to its 
margin, and the pair of involucres, instead of springing from two eon- 
¥ . * ry . . . a . t 
Mieropodi hich is precisely Asplenium in fructification, bu 
falls into the other of ‘J. Smith’s two great divisions of Poly- 
-Podiacez. 
