100 



t. 127. — Trichomanes elegans Poir. enc. VIII. 79. — Humata elegans Desv. in ann. soc. 

 lin. par. VI. 324. — Davallia coniifolia Wall. cat. n. 252. 



Habitat in arboribus Tranquebariae (Rottler), in Madras peninsula (Heyne, Wight), 

 in Penang, Singapore et Rangoon (Wallich cal. n. 252 et 253), in Jlergui (Griffith), in .Java 

 (Blume, Zollinger pl. jav. exs. n. 147), in Luzon (Cuming pl. phil. n. 77), in China ad Can- 

 ton (Oslieck, Beechey) , in Ceylon (Walker) , in Madagascar (Lyail, Bojer) , in Tahiti (Men- 

 zies), in parte orientali Iropioa Novae-Hollandiae (Brown, A. Cunningham). 



2. P. CAUDATA. — Davallia caudata Cav. prael. 1801. n. 694. Swartz syn. 132. Willd. 

 spec. V. 472. Desv. in ann. soc. lin. par. VL 3 I 5. Spreng. sjst. IV. 119. Hook. spec, fil. I. 164. 



Habitatin Philippmis (CSee, Hiigel), in .Java (Drcge fl. ind. or. n. 16). 

 Affinior sequenti quam praecedonti, differt praecipue acumine pinnarum longissimo, 

 (11 — 2-poUicari), pinnulis angustioribus, infimis minus divisis, fasciculis vasorum stipitis ti ibus. 



3. P. Ei.ATA. — Tnchomanes elatum Foist. prod. n. 47 i. — Wibeiia elata Bernh. 

 in Schrad. jour. 1801. L 122. t. 1. f. 2. — Davallia elata Swartz syn. 131.344. Willd. spec. 

 V. 472. Schk. fil. 120. t. 127. b. Spreng. syst. IV. 120 (excl. syn. Trichomanes epiphyllum). 

 Biume enum. 236. Hook. spec. fil. I. 166. t. 55. A (excl. syn. Trichomanes epiphyllum, 

 Davallia epiphylla et Wibelia multifida). Vriese in nederl. Kruitk. archief. I (I8i6). 16. — 

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



Habitat ad truncos arborum putridos in sylvis de la Savane et autour du Grand- 

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

 occidentahs (Blume) , in insula Luzon (Cuming pl. phil. sine num.), in Sumatrae regione 

 Battarum (Jungliuhn). 



Fronde minus firma et opaca cum P. caudata convenit, sed acumen pinnarum pin- 

 nularumqiie semipollicare , fasciculus vasorum in stipite et rarlii unicus teres centralis satis 

 magnus. Rachis alata etiam nervo marginali in parenchyma frondis decurrente et libere 

 evanescente marginata. 



4. P. EPiPHYLLA. — Trichomanes epiphvllum Forst. pro^l. 471. — Wibelia multifida 

 Bernh. in Schrad. jour. 1801. I. 122. t. U f. 3. c (excl. Tricliomanes multifidum Forst ). — 

 Davallia epiphylla Swartz syn. 134. 352. Willd. spec. V. 473. Schk. fil. 120. t. 127. b. Biurne 

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



Hal)itat in arborihus .lavae (Blume), in Tahiti (Forster, Menzies). 



Fasciculus vasorum stipitis unicus teres cenlrahs. Differt a P. elata fionde tenuius 

 divisa firmiore opaca, acumine pinnarum longiore tenuiore, pinnulis acutioribus, nervo mar- 

 ginali nullo. 



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

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

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

 frondis parallelum, margine superiori libero. 



Rliizoma stipesque ignotum. Frons ovato-oblonga, firmiter coriacea, tripedahs, gla- 

 berrima, pinnata. Pinnae alternae suboppositae oppositaeque, elongato-lincares, angustato- 



