100 



t. 127. — Triehomanes elegans Poir. enc. VIII. 79. — Ilumata elegans Desv. in ann. soc. 

 Iin. par. VI. 321. — Davallia coniifolia Wall. cat. n. 252. 



HabitaL in arboribus Tranquebariae (Rottler), in Madras peninsula (Ilevne, Wighfy 

 in Penang, Singapore et Rangoon (Wallich cat. n. 252 et 253), in Meffgui (Grilhth), in Java 

 (Blume, Zollingcr pl. jav. e\s. n. 117), in Luzon (Cuming ])l. pliil. n. 71), in China ad Can- 

 ton (Osbeck, Beechev) , in Ceylon (Walker) , in Madagascar (Lyall, Bojcr) , in Tahiti (Men- 

 zies), in parte oricntali tropiea Novae-Ilnllandiae (Brown, A. Cunmngham). 



2. I\ CAUiniA. — Davallia caudata Cav. prael. 1801. n. 694. Stvattz syn. 132. Willd. 

 spec. V. 472. Desv. in ann. soe. lin. par. VI. 3 I 5. Spreng. syst. IV. 119. Hook. spee. lil. I. 1G i. 



Habitatin Pliilippinis (Nec, Hiigel), in .lava (Drcge (1. ind. or. n. 16). 

 AfTinior sequenti quam praecedcnti, differt praeetpue aeumine pinnarum longissimo, 

 (ji — 2-pollicari), pinnulis angustioribns, infimis minus divisis, 1'asciculis vasorum stipiiis ti ibus. 



3. P. ei.ata. — Tnchomanes elatum Forst. prod. n. 471. — Wibelia clata Bernh. 

 in Schrad. jour. 1801. I. 122. t. I. ('. 2. — Davallia elata Swartz syn. 131.314. Willd. spec. 

 V. 472. Schk. fil. 120. t. 121. b. Spreng. syst. IV. 120 (excl. syn. Trichomanes epiphyllum). 

 Blume enum. 236. Hook. spcc. fil. I. 166. t. 55. A (cxcl. syn. Trichomanes cpi])hyllum, 

 Davallia epipbvlla et Wibclia multifida). Vricse in nederl. Kruitk. archicf. I (I8i6). 16. — 

 Humata elata Desv. in ann. soc. lin. par. VI. 325. 



Ilabitat ad truncos arborum pulridos in sylvis de la Savane et autour du Grand- 

 Bassin insulac Mauritii (Bojer hort. maur. 408 , in Madagascar (Bojer), in calcareis Javae 

 occidcntalis (Blume) , in insula Lu/.on (Guming pl. phil. sine num.), in Sumatrae regione 

 Battarum (Junghuhn). 



Tronde minus firma et opaca cum P. caudata convenit, scd acumen pinnarum pin- 

 nularumque semipollicarc, fasciculus vasotum in stipite ct rachi unieus tcrcs cenlrali.s satis 

 magnus. Bachis alata ctiam nervo marginali in parenchyma frondis decurrcnte et libere 

 evanescente marginata. 



4. P. kpipmvi.i.v. — Trichomanes cpiphyllum Forst. prod. 471. — Wibclia multifida 

 Bcrnh. in Schrad. jour. 1801. I. 122. t. ). f. 3. c (excl. Tricboman.es muliifidum Forst ). — 

 Davallia epiphvlla Swart/. svn. 131. 352. Willd. spcc. V. 473. Schk. fil. 120. t. 127. b. Bluine 

 enum. 235. — Humata epiphylla Desv. in ann. soc. lin. par. VI. 325. 



Habitat in arboribus .lavac (lilume), in Tahiti (Forster, Men/ies). 

 Fasciculus vasorum stipitis unicus teres centralis. Diflert a P. elata fronde tenuius 

 divisa firmiore opaca, acumine pinnarum longiorc tcnuiore, pinnulis aeutioribus, ncrvo mar- 



ginali nullo. 



PYCrSODORl.X. — Pteridis spec. J. Sm. — Venae pinnatae, creberrimae, tenuissi- 

 mae, internae, simplices furcalaeve , venulisque apice libero obtuso desinentes. Sorus in- 

 framarginalis, linearis , conlinuus. Indusium lineare , continuum , membranaceum, margini 

 frondis parallelum, marginc superiori libero. 



Bhizoma stipesque ignotum. Frons ovato-oblonga. firmitcr coriacea, tripedalis, gla- 

 berrima, pinnata. Pinnae alternac suboppositae opposilaeque, elongato-lineares, angustato- 



