490 Lesquereux's Descriptions of 
ary pinne linear lanceolate, deeply pinnatifid ; pinnules small, 
oval, decurrent, joined together by tlieir base, serrulate at the 
summit; nerves obsolete, pinnately forked ; nervules simple. 
36. SeHENOPTERIS FLAGELLARIS (spec. nov.). Frond bipin- 
natifid ; pinnz long, linear, flexuous, slender ; pinnules alter- 
nate, oval, with a broad decurrent base, united together, 
crenulate ; nerves bifurcate. 
37. SPHENoPTERIS PLICATA (spec. nov.). Frond bipin- 
natifid ? pinnz long, linear-lanceolate ; pinnules distant, very 
open, oval, oblong, enlarged below, sessile on the winged 
rachis, and united together; pinnately lobate, and undulate 
plaited ; medial nerves thick ; nervules obsolete. 
38. SeuENoPTERIS GLANDULOsA (spec. nov.). Frond tri- 
pinnately divided, forked above; primary and secondary 
pinn: opposite, long, perpendicular or recurved on the broad 
_striate rachis; inferior pinnules equally three to five lobate, 
cordate at the base, lobed round ; terminal leaflet acute, and 
sometimes long pointed by the persistence of the broad medial 
nerve; superior pinnules smaller round, entire ; texture thick, 
convex, glandular, punctulate, rough; nervules entirely obso- 
lete. 
39. SenrNoPTERIS DECIPIENS (spec. nov.). Frond pin- 
nate; pinnules elongated, pinnately lobed, lobes half round, 
very obtuse, decurrent, and united from the middle ; the ter- 
minal broader ; nerves undulate, broad ; nervules inclined on 
the rachis, two to three times forked. : 
40. SrnENoPTERIs NEwBERRYI (spec. nov.). Stem fork- 
ing above in a very obtuse angle ; frond bipinnate ; secondary 
pinnz from one to two inches long, linear-lanceolate, acute, 
.pinnately lobed ; inferior pinnules sessile by their whole base, 
but distinct, irregularly undulate, lobed ; superior ones con- 
fluent, ovate, lanceolate, entire or scarcely undulate ; terminal 
small and pointed ; nerves obsolete. ign 
Al. SeBENOPTERIs squamosa (spec. nov.). Frond tripin- 
atifid ; secondary pinnz linear, 14 inch long, obtuse ; pe 
»ules nearly square or half round, very entire, sessile, the 
