DAVALLIA. 467 



XVUI.— DAVALLIA. Page 88— 103. 



4*. D. amvla, Mett. ; rhizome elongated ; jcofes adpressed, oblong-cospidate ; st. 

 li-S in., winged abore ; /r. 5 in. L, deltoid, bipinnatifid ; lower /wmue laigest, 

 produced on under side with oblong obtuse toothed pirnil. ; rachis winged 

 throughout ; tei^ure thin ; surfaces ^e-gieen, glabrous ; vems slender, not 

 dUat^ at tip, of barren fr. forked or snbpinnate, of fertile simple ; son at 

 base of crenations on upper side ; inv. transverse, oblong, with sides slightly 

 adnate.— f u^n, Linn. 36. p. 144. 



Hab. Aneiteom, MacgSHaray, 64. 



9*. D. Andersom, Mett. ; rhuoiae wide-creeping ; stales rigid, lanceolate-acu- 

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

 deltoid, lf-3 in., tripinnatifid ; lower /nnntB largest, short-stalked, with sharply- 

 toothed pinnatifid crieate-obloi^ lower pimiU. ; tans thick, immersed ; sort at 

 base of ultimate sinuses . tn«. transversely hemispherical, witii free sides, usually 

 overtopped by a tooth. — SMn, Liim. 36. p. 143. 



Hah. Tahiti, Andersoit. 



9*. D. I^ermmmi, Baker ; rhizome wide-creeping, clothed with dense adpiessed 

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

 natifid ; raehis winged in upper third only ; lower />m«B largest, stalked, deltoid, 

 unequ^-sided, IJ in- br. ; lowest ^»Bfl/. stalked, cnneate-oblong or deltoid, with 

 falcate-deltoid entire upper and cuneate-oblong pinnatifid lower setpm, ; texture 

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

 i lin. br. ; the. hemispherical, free at the sddes. — ^Hnmata Tyermanni, Moore, 

 Hard. Chron. 1871, p. 870. 1. 178. 



Hab. Cultivated at Liverpool by Mr. Tyeiman ; sapposed to be from West Tropical 

 Afiicst. 



11*. Carmtheis, in Fl. Yitiensis, p. 335, adopts three species ; 1. hokrycMoides 

 (Brack, t. 33. fig. I. Viti) ; fr com^etely dimorphous ; pinnl. broader, blunter, 

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



2. muhifida (Viti, Aneiteom, Samoa) ,fr. larger, more compound, with all pinnl, 

 of lower half deeply pinnatifid ; s<ai smaller, witii a horn projecting beyond them. 



3. riffida (Solano, Society Isles) ; fr. smaller, barren, copiously pinnatifid, witli 

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



14*. D. riscidula, Mett. ; fr. broad-ovate, qnadripinnatifid, 1 ft. I. ; rachis 

 reddish, glandolose-pnbescent ; pinnae sessile, oblong-lanceolate> acuminate, 

 7 in. 1. ; pinnl. clos^ rhomboid-oblong, confluent at base ; segm. oblong obtuse, 

 with ovate subfalcate acute lobes ; texha-e membranous ; surfaces glandalose- 

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

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

 36. p. 145. 



Hab. Java, JBlmne. 



14^. D. assamca. Baker ; rhizome stout, wide-creeping, densely clothed with 

 lai^e lanceolate-acuminate Ealvery-brown scales ; st. 1-3 in., naked, stramineous ; 

 fr. 6-12 in. 1., lanceolate, tripinnatifid ; pinna crowded, lanceolate, short-stalkeJ, 

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

 pinnl. crowded, lower oblong, unequal- sided, pinnatifid, upper lanceolate-falcate, 

 entire ; texture subcoriaceous ; smfaces nak^ ; rachis winged in upper half ; 

 ncniiles immersed, erecto-patent, simple or forked ; sori submarginal in ultimate 



