256 



F I L I C E S. 



* * * Rhizoma validum, breve, repens; frondibus caspitosis. 



14. Trichomanes f(eniculaceum, Bory. 



Trichomanes foeniculaceum, Bory, in Willd. Spec. PL 5, p. 511; Hook. Spec. Fil. 1, 



p. 135. 

 T. mei/oUum, Kaulf. Enum. Fil. p. 365, t. 2. 



Hab. Mount Ophir, island of Sumatra. 



Rootstock thick and creeping, clothed with slender and articu- 

 lated scales. Fronds erect and rigid, of a chestnut-brown colour 

 when dry. 



Closely related to the following species. Specimens of this hand- 

 some and very distinct Trichomanes were presented to the Expedition 

 by Mr. Balestier, United States Consul at Singapore, with the above 

 habitat appended to them. 



15. Trichomanes caudatum, Sp. Nov. (Tab. 36.) 



T. rhizomate abbreviato crasso repente fidvo-tomeiiloso ; stipite brevi tereti 

 scabro; frondibus (in sicco elasticis) elongato-lanceolatis caudato- 

 acuminatis pinnatis; pinnis subalternis {inferioribus subremotis) 

 oblo?igo-lanceolatis acuminatis bipinnatiftdis ; laciniis ultimis approxi- 

 rnatis angusto-linearibus obtusis simplicibus vel bifidis ; rhachi svb- 

 alata; indusio terminali vel supra-axillari cylindrico basi attenuate 

 semi-immerso seu anguste alato, ore patente integerrimo ; receptaculo 

 exserto. 



Hab. Tahiti, Society Islands : on trees, in mountain forests. 



Rootstock short and thick, creeping, densely tomentose with brownish 

 short hairs. Stipe about 2 inches long, terete, slightly rough to the 

 touch. Fronds very graceful, and in a dry state quite elastic, 10 to 15 

 inches long by 3 inches broad, elongated-lanceolate, pinnate, and as 

 well as the oblong-lanceolate and bipinnatifid pinnce (which are rather 



