4* 

 li-2 m 



DAVALLIA. 467 



XVIII.— DAVALLIA. Page CO— 103. 



D. (emiila, Mett. ; 7-7//ro;nc elon2;ate(i ; scales adpressed, oblong-cuspidate ; st. 

 [1., winged above ; fr. 5 in. 1., deltoid, bipinnatifid ; lower pimice largest, 



r.A.I ^.. 1 _? 1_ ?i.l_ _l,l^.-v*^ ^l.i-«ip«i-i ♦j-v.^4-1i/^/I /i it 'nil 7 • n*^t /*]»'* i» •K\' \ %\rrcn\ 



i.'iioc ui cieiKiiiuus Oil upper si<j 

 adnate.— A'«//», Linn. 30. ;;>. 144. 



Hab. Aneiteum, MacgillivraT), 64. 



9*. D. Andersoni, Mett. ; rhizome wide-creeping; scales rigid, lanceolate-acu- 

 minate, dark-brown, with a pale edge ; st- 1-3 in., like rachis laxly scaly ; fr. 

 deltoid, J|-3 in., tripinnatifid ; lower /^2?i«a? largest, short-stalked, with shar])ly- 

 toothed pinnatifid •" leate-oblong lower pinnl. ; veiiis thick, immersed ; sori at 

 base of ultimate sinuses iiiv. transversely hemispherical, with free sides, usually 

 overtopped by a tooih.—Kuhn, Linn. 36. p. 143. 



Hab. Tahiti, Anderson. 



9*. D. Tj/crmanni, Baker ; rhizome wide-creeping, clothed with dense adpressed 

 linear white scales ; st. 2-3 in., naked, reddish ; fr. 4-6 in. 1., deltoid, 8-4-pin- 

 natifid ; rachis winged in upper third only ; lower pinnce largest, stalked, deltoid, 

 unequal-sided, 1| in. br. ^ lowest />2H?2/. stalked, cuneate-oblong or deltoid, with 

 falcate-deltoid entire upper and cuneate-oblong pinnatifid lower segm. ; texture 

 subcoriaceous ; colour bright-green ; surfaces naked ; sori at base of ult. lobes, 

 I lin. br. ; i7iv. hemispherical, free at the sides.— Humata Tyermanni, Moore, 

 Gard. Chron. 1871, p. 870. t. 178. 



Hab. Cultivated at Liverpool by Mr. Tyermaa ; supposed to be from West Tropical 

 Africa. 



11*. Carrutliers, in Fl. Vitiensis, p. 335, adopts three species : 1. botrychioidcs 

 (Brack, t. 38. fig. 1. Viti) ; fr completely dimorphous ; pinnl. broader, blunter, 

 lowest only pinnatifid ; sori larger, reniform, occupying the whole of the lobes. 



2. mitltifida (Viti, Aneiteum, Samoa) ,/;'. larger, more compound, with all j^itml. 

 of lower half deeply pinnatifid ; son smaller, witli a horn projecting beyond them. 



3. rigida (Soland, 'Society Isles) ; fr. smaller, barren, copiously pinnatifid, with 

 sharply inciso-dentate lobes ; sori small, with a horn projecting beyond. 



14*. D. viscidnla, Mett. ; fr. broad-ovate, quadripinnatifid, 1 ft. 1. ; rachis 

 reddish, glandulose-pubescent ; j)innce sessile, oblong-lanceolate, acuminate, 

 7 in. 1. ; 2^iMil. close, rhomboid-oblong, conHuent at base ; segm. oblong obtuse, 

 with ovate subfalcate acute lobes ; texture membranous ; surfaces glandulose- 

 pubescent, reddish-olive when dried ; veins simple or forked in ultimate lobes ; 

 sori overtopped by a horn ; inv. ovate acute, obscurely ciliated. — Kuhn, Linn. 

 Q,Q.p. 145. 



Hab. Java, Bhone. 



14""'. D. assamica, Baker ; rhizome stout, wide-creeping, densely clothed with 

 large lanceolate-acuminate silvery-brown scales ; st. 1-3 in., naked, stramineous ; 

 //•. 6-12 in. 1., lanceolate, tripinnatifid ; piiince crowded, lanceolate, short-stalked, 

 patent, the lowest largest, all the rest cuneate-truncate at base on lower side ; 

 2nnnl. crowded, iower oblong, unequal- sided, pinnatifid, upper lanceolate-falcate, 

 entire ; texture subcoriaceous ; surfaces naked ; rachis winged in upper half ; 

 venules immersed, erecto-patent, simple or forked ; sori submarginal in ultimato 



