18. DAVALLIA, §§§§§§§ STEXOLOJIA. 101 



linear or forked ultimate divisions, 1-2 lin. 1., equalling the rachis in breadth ; 

 texture stoutly herbaceous, surfaces naked ; sori terminal in the ultimate 

 divisions or with a horn beyond ; invol. half-cupshaped, i lin. across. — Hk. Sp. 

 1. p. 192. 



Hab. Polynesian Islands. — Like D. condnna in habit, several times multiplied. 



G8. D. (Lox.) nigrescens, Hk. ; St. 6-9 in. 1., stout, erect, paleaceous below ; fr. 

 12-24 in. 1., 9-15 in. hr., ovate-lanceolate, quadripinnatifid ; lower pinnas 4-8 

 in. 1., 1^2 in. br., lanceolate, acuminate ; pinnl. deltoid, nnequal-sided, cut down 

 to the rachis throughout ; segm., especially on the upper side, deeply inciso- 

 pinnatifid, ultimate divisions linear, about J in. 1., ^ lin. br. ; texture herbaceous ; 

 sori 2 to 6 to a pinnule, lateral on the upper side of the divisions ; invol. Ealf- 

 cupshaped. — Rk. 2nd Cent. Ferns, t. 93. 



Hab. Fernando Po, at an elevation of 3,000 ft., Q. jlfamw.— Nearest L. giblerosa, but 

 the pinnules shorter and more divided, with flatter segments and pubescent racbises. 



69. D. (Lox.) fceniculacea, Hk ; st. erect, firm, 6-8 in. 1. ; /r. 9-18 in. 1., 6-12 

 in. br., lanceolate-deltoid, quadripinnate ; lower pinnl. lanceolate-acuminate, 

 2-3 in. 1., 1 in. br. ; segm. cut down to the rachis into simple or forked linear 

 filiform ultimate divisions, 1-2 lin. 1., equalling the rachis in breadth ; texture 

 herbaceous ; sari 2-6 to a segment, lateral, deeply half-cupshaped, under ^ lin. br. 

 — Hk. 2nd Cent. Ferns, t. 64. 



Hab. Fiji group ; gathered by Mr. Milne. — A very distinct and finely-cut species. 

 Habit of D. ferulacea, but sori quite different 



§§§§§§§ Sfenol' ai.i, Fee. Invol. as in Loxoscaphe, hut terminal on the seg- 

 ment.^. Sp. 70-7^'. Fronds very various in size, but the ultimate segments always 

 cuneatc, growing gradually wider from the base to the apex. Scattered throughout 

 the treses. Odontosoria, J. Smith. This goes tvith Microlepia into J. Smith's 

 Desmobrya, 



* Fronds 6-18 in. I., not climbing. 



70. D. (Steno.) Goudotiana, Kunze ; rhizome creeping, slender, fibrillose ; St. 

 not more than 1 in. 1. ; fr. 4-6 in. 1., ^-^ in. br., linear-oblong ; main rachis not 

 branched ; largest pinnas deltoid, i in. 1., more than J in. br., cut down to a 

 slender subfiliform rachis into simple or forked linear-cuneate thinly herbaceous 

 segments ; sori terminal, suborbicular, 1 to each segment. — Hk. Sp. 1. p. 189. t. 

 50. C, 2 Cent. t. 23. 



Hab. Madagascar. 



71. D. (Steno.) bifida, Kaulf. ; rhizome short ; St. 4-8 in. 1., wiry, naked, 

 flexuose ; fr. 4-8 in. 1., 2-4 in. br., ovate-deltoid, quadripinnatifid; pinnas flaccid, 

 2-4 in. 1., lanceolate-deltoid, the lower pinnl. cut down to a filiform rachis, with 

 deeply-cut pinnatifid or flabellate segm., ultimate divisions linear-cuneate, thinly 

 herbaceous. 1^2^^ lin. 1., less than ^ lin. br. at the point ; sori small, terminal, 

 suborbicular.— 5'it. Sp. 1. p. 188. Hk. ^ Gr. Ic. t. 238. S. Glaziovii, Fee. 



Hab. Minas Geraes and Organ Mountains, Brazil. 



72. D. (Steno.) scoparia, Hk. MSS.; rhizoTne strong, creeping ; st. strong, erect, 

 6-12 in. 1. ; fr. 6-9 in. 1., 4-6 in. br., deltoid, tri- or quadripinnatifid ; pinnm 

 lanceolate, erecto-patent ; pinnl. again pinnatifid with forked or pinnatifid lower 

 segm., ultimate divisions subcoriaceous, linear-cuneate, J in. 1., t lin. br. at the 

 point ; sori small, suborbicular, often not occupying the whole apex of the 

 segment. — Lindsaya, Mett. Fil. N. Cahd. p. 64. 



