18. DAVALLIA, §§§§ EUDAYAT.T.TA. 95 



sori copious, placed obliquely in two long rows in tlie pinnules near the edge ; 

 invol. broader than deep. — Moore, Ind. Fil. p. 2B6. 



Hab. Borneo ; discovered by Mr. Tbos. Lobb, — A very distinct species, with the invo* 

 lucre resembling in shape that of Humala, but not free at the sides. 



36. D. trichomanoides, Blume ; rhizome wide-creeping, ^ in. thick ; scales linear, 

 pjJe brown ; st. 3-4 in., grey, naked ; Jr. deltoid, 4-pinnatifid, 6-9 in. 1. ; pinnce 

 distinctly stalked, lanceolate, lowest largest, deltoid, 1^2 in. br., all cuneate- 

 tmncate on lowest side at base ; pinnl. close, lanceolate ; ult. segm. ligulate at 

 base, and forming a narrow wing above on each side of the sorus ; rachises of 

 pinnse winged to the base ; texture subcoriaceons ; surfaces naked ; sori rather 

 deeper than broad, with mostly a horn beyond on both sides. — Hk. Sp. \.p. 186. 

 D. stenomera, Kume, Bot. Zeit. 6. p. 216. 



Hab. Malay Isles. 



37. D. Moorei,Ws.. • rhizome creeping, fibrillose ; st. erect, strong, 4-8 in. 1. ; 

 fr. 4-6 in. 1., 3-4 in. br., bi- or tripinnatifid ; main rachis slightly winged above ; 

 lowest pitml. cut down nearly to the rachis below, the lobes oblong, bluntly 

 toothed ; texture coriaceous ; sori 4 to 6 to a 16be, placed in the teeth at a little 

 distance from the edge ; itvcol. half-cupshaped. — Hk. 2nd Cent. Ferns, t. 53. 



Hab. New Caledonia, discovered by Mr. C. Moore. 



38. D. decurrens, Hk. ; rhixome stout, creeping, densely fibrillose ; St. 4-6 

 in. 1., stout, erect ; fr. 1-2 ft. 1., 9-15 in. br., deltoid, tripinnatifid ; main rachis 

 hardly at all winged at the apex ; pinnl. of the lower pinnfe lanceolate-acuminate, 

 3-4 in. 1., about 1 in. br., cut down throughout within a short distance of the 

 rachis, with broadly-toothed linear-oblong segm. ; teMure subcoriaceons ; veins 

 uniform ; sori falling short of the margin ; invol. half-cupshaped. — Hk. Sp. Fil. 

 l.p. 167. t. 44. B. 



Hab. Philippine Islands. — ^Resembles J), divaricata in the shape and position of the 

 sori, but the frond less divided. 



39. D. solida, Swartz ; rhixome stout, densely clothed with adpressed scales or 

 fibres ; st. strong, erect, 4^6 in. l.;/r. 1-2 ft. 1., 12-15 in. br., deltoid, tripinnatifid ; 

 apex with a moderately broad undivided centre ; segm. ovate-rhomboidal, deeply 

 toothed, narrower and sharper in fertile frond ; veins uniform ; texture coriaceous ; 

 sori nearly or quite marginal ; invol. semicylindrical. — Hk. Sp. 1. p. 164. t. 42. 

 Fil. Exot. t. 57. — ft D. caudata, Cav. ; pinnules more divided with narrower 

 segments. Hk. Sp.l.p. 164. D. Lindleyi, Hk. Sp. I. p. 163. t. 48. B. 



Hab. Malayan Peninsula, Java, and Polynesian Islands. — ^The reported station in 

 New Zealand appears to be a mistake. J), omala, Wall., is a large handsome form, 

 with broad slightly-cut segments. 



40. D. elegans, Swartz ; rhizome stout, creeping, densely clothed with woolly 

 fibres ; st. firm, erect, 4^8 in. 1. ; fr. 1-2 ft. 1., 9-15 in. br., deltoid, tripinnatifid ; 

 main rachis slightly winged towards the apex ; pinnl. of the lower pinnse 2-3 in. 

 1., 1 in. br., deltoid-lanceolate, cut down quite to the rachis in the lower part, 

 with oblong-deltoid segm., which are slightly toothed and obliquely truncate at the 

 base on the lower side ; texture coriaceons ; venation close, prominent, irregular ; 

 sori several to a segment, marginal, but the sharp teeth projecting beyond them 

 at the edges ; invol. half-cupshaped. — Hk. Sp. 1. p. 164. — ft D. elata, Swartz ; 

 fr. larger and less coriaceons ; segm. naiTower, more deeply and sharply cut. — ■ 

 Hk. Sp. 1. p. 166. t. 55. A. D. Vogelii, Hk. Sp. 1. p. 168. t. 69. B. 



Hab. Ceylon, Malayan Feninsala, China, Java, Borneo, Polynesian Islands, Tropical 



