86 



F I L I C E S. 



2. Cyrtogonium acuminatum, Sp. Nov. 



C. rhizomate scandente; stipitibus glabris superne sulcatis; frondibus 

 coriaceis pinnatis ; pinnis paucis distantibus subpetiolatis alternis ob- 

 longo-lanceolatis caudato-acuminatis margine repando-dentatis, termi- 

 nodi longiore infra apicem prolifero. 



Hab. Mountain forests, near Banos, Luzon, Philippine Islands : on 

 trees. 



Rootstock long, climbing, squamose. Stipes 5 to 8 inches in length ; 

 that of the fertile frond a little the longer, glabrous, angular at the base, 

 sulcate upwards. Sterile fronds a little over a foot in length, pinnate. 

 Pinnw 6 to 8 in number, alternate, the terminal one the largest, oblong- 

 lanceolate, caudate-acuminate, with a proliferous bud on the rhachis 

 near the point; margin repancl-dentate. Fertile frond rather the 

 smaller, with 4 or 5 pinnae ; these have less of the tail-like point pecu- 

 liar to the sterile ones ; the rhachis in both slightly margined. 



3. Cyrtogonium palustre, Sp. Nov. (Tab. 12.) 



C. terrestre; stipitibus semiteretibus sidcatis parce paleaceis ; frondibus 

 membranaceis glabris pinnatis apice sinuato proliferis ; pinnis oblongo- 

 lanceolatis pinnatiftdis acmninatis basi oblique cuneatis, laciniis 6b- 

 longis crenato-denticulatis, fertilibus minoribus oblongo-lanceolatis 

 petiolatis integris. 



Hab. Tahiti, Society Islands : in marshy grounds near the coast. 



Stipes from 10 to 12 inches in length, half round, with 2 to 3 shal- 

 low grooves in front, densely paleaceous at the base, towards the sum- 

 mit less so ; the palese oblong, acuminate, reticulate, with a ragged 

 dentate margin. Sterile fronds deltoid-oblong, acuminate, rooting at 

 the apex, smooth, rather membranaceous, pinnate at the base, sinuate- 

 pinnatifid towards the point. Inferior pinnae 4 to 5 inches long and 

 an inch broad, subpetiolate, nearly opposite, oblong-lanceolate, acumi- 



