CATALOGUE OE EEKNS. 
11 
16. COIalTSIS, Presl; Fee. 
(Drynaria § Phyllitidis (in part), /. Sm. En. Fit. Sort. Kew. 
(1846). Polypodii sp., Auct.) 
Fronds simple, generally membranous, flaccid. Veins com- 
pound anastomosing ; primary veins costseform, elevated or in- 
ternal, generally flexuose. Sp or angiferous receptacles compital, 
superficial. Sori round, or by confluence oblong or linear, irre- 
gular or obliquely 1-2-serial. 
1. G. membranacea, J. Sm. Polypodium membranaceum, I), 
Don. Polypodium hemionitidea, Wall. Colysis hemio- 
nitidea, Presl ; Fee. Hemionitis plantaginea, D. Don. 
Poly podium grandifolium, Wall. — East Indies. 
17. MICEOSOEUM, Link; Fee. 
(Drynaria § Phyllitidis (in part), J. Sm. JEn. Fit. Phil. Poly- 
podii sp., Auct.) 
Fronds simple, entire or irregularly sinuose, coriaceous, smooth. 
Veins compound anastomosing, internal ; primary veins obscure. 
Sp or angiferous receptacles compital, superficial. Sori round, 
(small, numerous, irregular, sometimes subconfluent. 
1. M. irioides, Fee. Polypodium irioides, Poir. ; SooJc. et 
Grev. Ic. Fit. t. 125. Polypodium polycephalum, Wall. 
Microsorum irreguiare, Link ; Fee. Microsorum sessile, 
Fee. — East Indies, Malayan Archipelago, Australia, and 
Trinidad. 
18. NIPHOBOLUS, Xaulf. ; J. Sm. 
Fronds simple, linear-lanceolate or oblong-elliptical, thick and 
jfleshy or coriaceous, covered with sessile or stipitate, stellate pu- 
bescence ; the fertile generally more or less contracted and longer 
than the sterile. Veins internal, obscure ; primary veins unde- 
fined or evident and costseform, combined by straight or arcuate, 
transverse venules, which produce on their exterior or both sides 
two or more simple or forked, free veinlets bearing sporangia on 
