182 CHARACTERS OF TRIBES AND GENERA. 
89. CaLymmopon, Presl. (1836). 
Grammites, Blume ; Plectopteris, Fée; Polypodium, sp. Hook. 
Sp. Fil. 
Vernation fasciculate, acaulose, Fronds linear lanceolate, 
2 to 4 inches high, 4 inch wide, pinnatifid, the upper 
segments folded longitudinally, forming a cyst, and fertile. 
Veins one in each segment and sporangiferous, forming 
oblong sori, included in the fold of the segments. 
Type. Grammites cucullata, Blume. 
Ilust. Blume, Fl. Jav., t. 50, f. 3; Fée, Gen., p. 230, 
t. 19, B; Moore, Ind. Fil., p. £0, A. 
Oss.—This genus, founded on Grammites cucullata of 
Blume, is readily distinguished from its congeners by the 
segments being folded, forming a cuculus or cyst, including 
the sori. Two species possess the above character; natives 
of Ceylgn, Java, Borneo, and Philippine Islands. 
‘Sp. C. cucullatus, Blume; C. clavifer, Hook. (Grammites, 
Hook., Secd. Cent., t. 5). 
90. LowaAPHLEBIA, J. Sm. 
Grammites, sp. Sw. ; Sect. Chilopteris, Presl.; Polypodium, 
sp. Hook. Sp. Fil. 
Vernation fasciculate, acaulose. Fronds ciespitose, stipate, 
simple, linear, entire, smooth, opaque, 4 to 6 inches 
high. Veins forked, apices of the venules combined 
by a continuous transverse marginal vein, the exterior 
venules of each fork fertile, bearing ovate, oblong oblique 
sori. 
Type. Grammitis linearis, Swartz. 
Illust. Schk. Fil, t. 7. 
Oxs,—The species on which this genus is founded, with p 
