93 18. DAVALLIA, §§§§§ MICROLEPIA. 



below ; texture subcoriaceous, but thin ; sori in long continuous rows along the 

 edges; invol. thin, twice as broad as deep. — Hk. Sj). 1. p. 171. Saccoloma 

 elegans, Kaulf., J. Smith. 



Hab. Tropical America, from Guatemala and W. Indies southward to Rib Janeiro. 



62. D. (Micro.) pinnata, Cav. ; rhizome creeping, fibrillose ; st. strong, erect, 

 6-12 in. 1. ; fr. 9-15 in. L, 4-8 in. br., with distant linear slightly iooih^d pinnce 

 6 in. 1., j-| in. br. ; texture coriaceous ; sori one to each tooth, small, sub- 

 marginal. — Hk. Sp. 1. p. 173. t. 60./. 1. and A. D. serrata, Blume. — /3, D. gracilis, 

 Blume ; lower pinnce cut down nearly to the rachis into narrow, linear, oblong 

 lobes. — D. Luzonica, Hk. Sp. 1. p. 174. t. 60./. 2. 3. and 5. 



Hab. Malayan Peninsula, Java, and Polynesian Islands. — This and the two preceding 

 are very distinct species, easily distinguishable from the rest by their simply pinnate 

 habit and long narrow pinnae. 



53. D. (Micro.) Wilfordii, Baker ; rhizome creeping ; st. 4-6 in. 1., slender, 

 naked, flexuose ; fr. 6-9 in, 1., 2-3 in. br. ; lanceolate, tripinnatifid ; low ex pinnce 

 deltoid, stalked, about 1 in. 1., \ in. br., cut down to the rachis below with broadly 

 ovate-rhomboidal sharply toothed pinnules ; texture herbaceous ; rachis and both 

 surfaces naked ; sori 2 to 6 to a pinnule, apical in the teeth. — D. rhomboidea, 

 Hk. 2nd Cent. t. 48. not Wallich. Microlepia Wilfordii, Moore. 



Hab. Japan ; gathered both by Messrs. "Wilford and Oldham.— This and the next, it 

 will be seen, are very diminutive 'compared with all the species that follow. 



64. D. (Micro.) hirsuta, Sw. ; rhizome creeping, slender, pubescent ; st. 

 slender, erect, 3-4 in. 1., pubescent ; fr. 6-9 in. 1., 2 in. br., lanceolate, tripin- 

 natifid ; lower pinnce deltoid-lanceolate, about 1 in. 1., cut down to a broadly- 

 winged rachis with oblong, rather sharply toothed, lobes ; texture herbaceous ; 

 rachises and both surfaces softly hairy ; sori 2 to 6 to a pinnule, marginal in the 

 teeth. D. pilosella, Hk. 2nd Cent. t. 96. 



Hab. Japan and Tsus Sinia ; gathered lately by Messrs. Wilford and Oldham. 



65. D. (Micro.) ciliata, Hk. ; rhizome creeping, covered with soft brown 

 hairs ; st. 3-4 in. 1., firm, erect, pubescent ; fr. 12-18 in. 1., 6-9 in. br., ovate- 

 lanceolate, tripinnatifid ; pinnce spreading, lanceolate, the central ones the 

 largest, 3-5 in. 1., 1;^ in. br., cut down to a broadly- winged racliis, with oblong 

 pinnl. cut about halfway down with falcate, mucronate teeth ; texture thinly 

 herbaceous, flaccid ; rachises and under surface softly hairy ; sori 2 to 1 2 to a 

 pinnule, very small, placed near the centre of the teeth near the base. — Hk. Sp. 

 Fil. \.p. 184. t. 60. A. Leucostegia hirsuta, J. Smith. 



Hab. Philippine Islands. 



66. D. (Micro.) marginalis. Baker ; rhizome creeping, villose ; st. 1-2 ft. I., 

 erect, strong ; fr. 18-24 in. 1., 9-15 in. br., once-pinnate ; jt?z«??,fe 4-8 in. 1., about 

 1 in. br., linear, cut down about halfway to the rachis, or less, into bluntish 

 oblong lobes, the base al)0ve parallel with the stem, that of the lower side 

 obliquely truncate ; texture subcoriaceous ; rachises densely villose and under 

 surface also hairy ; sori 2 to 8 to a lobe, submarginal. — Polypodium, Thunb. 

 D. scabra, D. Don. D. villosa, Wall. Hk. Sp. 1. p. 172. t. 48. A. D. calves- 

 cens, Wallich, Hk. Sp. I. p. 172. t. 48. B. 



Hab. Ceylon, and flank of the Himalayas, Japan, China. 



57. D. (Micro.) strigosa, Swartz ; rhizome stout, creeping, pubescent ; st. erect, 

 strong, 6-12 in. 1., both it and the racliis pubescent throughout ; fr. 1-3 ft. 1., 

 6-12 in. br., lanceolate, bipinnatifid ; lower pinnce 4-B in. 1., |-1 in. br., linear- 

 lanceolate, much acuminate, cut down to the rachis with unequal-sided, broadly 



