FERNS COLLECTED IN NORTH FORAIOSA BY MR. WM. HANCOCK. 103 



clothed with copious minute ovate bullate scales on all the veins 

 beneath, ovate-deltoid, H ft. long, tripinnatifid, but fertile also in 

 a bipinuate form. Lower pinnaj of the tripinnatifid form the 

 largest, distinctly petioled, lanceolate-deltoid, 4-5 in. long, 1^-1^ in. 

 broad. Lower pinnules distinct, sessile, lanceolate, pinnatifid, 

 with oblong tertiary segments. Final segments oblong, 1-1 2th in. 

 . broad, conspicuously inciso-crenate; veining pinnate in the final 

 segments ; veinlets distinct, simple, erecto-patent. Sori brown, 

 i^ medial, superficial ; receptacle but little elevated. 



10. Hymenoplujlhtm Tunbridgcnse Sm. 

 9. H. poUjanthos, Sw. 



7. Trichomanes parvulum Poir. 



11. T. radicans Sw. 



8. T. Filicida Bory. ? No fruit and the segments more remote 

 and less compound than in ordinary Filicida. 



12. T. javanicum Blume. 



79. Biclxsonia scabra Wall. — Gathered lately by Dickins in 

 Japan, but not known in China. 

 3. Davcdlia pedata Sm. 

 16 99. D. strigosa Sw. — Two forms. 



63. D. Griffithiana Hook. 



64. May be a new species near D.Jijiensis, but not in fruit and 

 therefore not safe to describe. 



44. Onychium juponicuiii Kunze. 



53. Hypolepis tenidfoUa Bernh. 



19. Cheilanthes myswensis Wall. 



6. Lindsaya cidtrata Sw. 



70 71. L. flahelliddta Brjciiid. 



5. Adiantum Capdlus-venerls L. 



36. A. diaphanum Blume. 



35. A. Jlabelhdatum Li. 



88. Pteris ensifonnis Burm. 



85. P. semipinnata L. 



'■' 83. (16"^). Pteris (Eupteris) formosana, n. sp. — Stipe yellow- 



^ brown, nearly naked, nearly a foot long. Frond ovate-deltoid, 



bipinnate, 12-15 in. long, moderately firm in texture, green on 



both surfaces, glabrous and without palese. Upper pinnas simple, 



lanceolate ; many lower subequal, oblong-lanceolate, 5-6 in. long, 



2-2|- in. broad, cut away on the lower side at the base, with a long 



lanceolate entire tip and cut down nearly or quite to the rachis 



" into 3-4 pairs of non-contiguous erecto-patent lanceolate pinnules 



1^-2 in. long, about i in. broad, with an entire margin. Veining 



copiously pinnate ; veins fine, erecto-patent, simple or forked. 



Fruit not seen. Allied to P. semipinnata, and the Japanese 



1 P. inaqualis Baker. 



68. P. quadriauyita Retz. 



56. P. aqidlina L. 



57. P. incisa Thunb. 

 /98. Lomaria adnata Blume. 



r. 39 (35^=). Lomaria (Plagiogyria) concinna, n. sp. — Caudex 

 erect. Stipes tufted, greenish, nearly naked, those of tlie sterile 



