Nephrodium.| POLYPODIACE&. 1251 
}Caudex erect or suberect :—{p. 1250] 
Pinne entire or slightly lobed, so that most of the veinlets of 
contiguous groups 8 URES 
Sori close to the mi 
ee firmly etigedoa or subcoriaceous, ee 
nm both sides rophyllum 
ion thinly papery, not punctate-dotted ...... ambien 
Sori medial or nearly 90° 105.A0/8ii A nnigerum. 
Pinne cut ae down to -. hairs so that pie oi lower 
veinlets of contiguous groups 
Lobes bluntly Rests ak usualy 9 more or less ee 
on both sides ; sori distant from the midri 
Lobes oblong, not subfaleate ; pene oul only ie 
on the veins ; sori medi 
Stem and rachis scaly; lobes of ‘frond subacute; sori 
emen nearer the margin than the midrib ......crinipes. 
and rachis naked or slightly pilose, not ay: ; lobes 
- ro square cut and crenated at the apex; sori slightly 
sel 
arer the panes than the margin runcatum, 
t Veins of pea group more or less aniting among g thomealses 
. 1250 
along with union e veinlets of cigs oups : 
Stipes tufted, copiously beset with black, iipaeinsleatails seales ; 
fronds pinnate, with pinnatifid apex, about a foot long; secondary 
union of veinlets not always present in fertile fronds 
membranifolium. 
Stipes 2-3 feet long, shortly hirsute, without scales, on a stout, 
subarborescent caudex with scaly crown ; fronds 2-3-pinnate, so 
Leuzeanum. 
times 6 feet lon 
*Veinlets forming a copious and general anastomosis, with usually 
some free included veinlets in their areole; sori copious, irregularly 
scattered :—{p. 1250 
§Fronds with distinct areole formed by strongish transverse, secon- 
dary veinlets uniting main-veins, enclosing in their saree smaller 
netted veinlets, or simple or forked veins, or both :—[p. 
Stipes and rachis narrowly winged nearly or quite 7 the base 
(fronds pinnately lobed), scattered on a creeping a areolxe 
enclosing both netted veinlets and pont or forked free 
Sori small, scattered on the netted veinlets...........-+..++ 
Sori large, nearly always terminal on pe veinlets ...decurrens 
Stipes and rachis not winged (fronds once- co — near 
the base; areole copious, with many free, included veinlets :— 
“(Stipes tufted, on a suberect rhizome ; Ceti pinna lobed 
or pinnatifid ; sori usually large :—{p. 1252} 
