213 
Receptacle at the junction of the veinlets- 
or at the apex of free veinlets. 
Genus XXX.—Aspidium Schott 
PAGE 
‘128 
As the Aspidium but only the lowest’ 
veinlets of the vein anastomosing so as to ' 
forma series of areoles near the costa 
without any free veinlets within them. All 
the other veinlets as a rule free. Sori 
generally at the apex of the free veinlets, 
sometimes on the netted veins. 
Genus XXXI.—Pleocnemia Presl. 
Sori somewhat round on the back or on 
the apex of veinlets. 
Indusium kidney-shaped attached by 
134 
the sinus. Veins all free. Fronds pinnate - 
or compoundly 2-4 pinnate. 
Geaus XXXII.—Lastrea Presl. 
Sori round; indusium  kidney-shaped 
137 
(often like that of Athyrium or Asplenium — . 
in N. subpectinatum), sometimes absent. 
Veins pinnate, one or more of the lower. 
veinlets anastomosing at an angle with 
corresponding ones of the next group, 
producing trom their junction an ex- 
current veinlet which is either free or: 
joined in the angle of the néxt superior 
