48 11. ^YOODSIA, §§ PHYSEMATIUM. 



9. W. poli/stichoides, Eat. ;/r. a span long, suhcoriaceo-membranaceous, opaque, 

 lanceolato-pinnate, sparsely subulato-squaraulose ; pinnce patent, approximate, 

 sessile, 6-8 in. 1., lanceolate, acute, cuneato-truncate at the base, acutely auricled 

 at the superior base, entire or obsoletely crenate at the apex, indistinctly costate, 

 veins immersed, simple or forked ; sori marginal in a distinct line or series ; invol. 

 globose, of -i-o concave, ciliated, incurved scales, strongly ciliated. — Hh. 2nd Cent. 

 of F. t. 2.-/3. Veitchii ; fr. \Qvy viWous,. Hk. GarcV F. t. 32.^. 1. 2. 4-G.— 

 y. sinuata ; pinnse broader, more obtuse, lobato-pinnatifid. Hk. 1. c. t. 32./. 3. 



Hab. a. and fi. Japan, Eaton & Wilford. — y. Manchuria, a. Ta-lien-kwan, Yelluw 

 Sea, China, Birnie. 



10. W. manclmriensis, Hk. ; fr. 6-8 in. 1., thin, membranaceous, oblong- 

 lanceolate, acuminate, pinnated ; pinnce sessile, 1 in. or more 1., rather remote, 

 oblong-obtuse, pinnatifid ; lohes oblique, patent, ovate, obtuse, entire or slightly 

 sinuate, unisorous ; veins pinnated in each lobe, lower superior vein soriferous ; 

 inv(jl. globose, tbin, membranaceous, at length opening with a toothed edge to the 

 contracted mouth. — Hk. Ind Cent, of F. t. 98. 



Hab. Manchuria, Wilford. Japan, Maximowlcz . 



11. W. Burgessiana, Gerr. mst. ; fr. 6 in. 1., 2 in. w., lanceolate, glandulose- 

 pubescent, membranaceous, flaccid, pinnated ; pinnce sessile, from a broad trun- 

 cated base, oblong, pinnatifid ; lobes broad, subtruncated, toothed at the apex ; 

 sori small, rather sparse, submarginal ; invol. thin, membranaceous, depressed- 

 hemispherical, sublobate (apparently from the long capsules within), opening 

 irregularly at the apex, persistent, at length breaking down into a very irre- 

 gular margin. 



Hab. Tugela E., Natal, Gerrard, McKen. 



12. W. obtiisa, Torrey ; st. tufted, not articulated, 3-6 in. I., castaneous towards 

 base ; scales broad-lanceolate ; fr. oblong-lanceolate, narrowed to both ends, 

 6-9 in. 1., bipinnate or tripinnatifid ; central pjinnm sessile, lanceolate-deltoid, 

 1-1^ in. 1., lower reduced ; jnnnl. oblong, blunt, crenulate, or lowest subpinnatifid ; 

 texture moderately thick, not at all coriaceous ; both sides green, especially the 

 lower, glanduloso-pilose ; sori submarginal, 6-12 to largest pinnules ; inv. a small 

 membranous lacerated white cup. Hk. Sp. Fil. 1. p. 63. Gard. F. t. 43. W. 

 Perriniana, Hk. and Or. Ic. Fil. t. 68. W. incisa, GilL Hk. and Gr. Ic. Fil. t. 

 191. Sp. Fil. 1. p. 63. jS, W. peruviana. Ilk. ; pinnl. not close, blunt, sharply 

 inciso-pinnatifid. — Hk. Sp. 1. 2>. 61. fg. 21 B. y, crenata (Kze.), texture more 

 rigid ; pnnnce lanceolate, pinnatifid, with close broad blunt subentire lobes. 

 Clieilanthes crenata, Kze. Hk. Sp. Fil. 2. p. 86. Polypodium flabellatum, 

 Klotzsch. 



Hab. United States from Oregon southwards, and along the Andes to Peru and 

 TJraguay. (i, Peiu. y, Andes. 



13. W. scopulina, Eaton ; st. densely tufted, 2-3 in. 1., castaneous below ; 

 scales large, lanceolate ; fr. 4-6 in. 1., oblong-lanceolate, bipinnate, narrowed 

 from the middle to both ends ; central 2^^nnce lanceolate, sessile, |-J in. 1., cut 

 down to racliis or a narrow wing into close ligulate-oblong crenato-pinnatilid 

 lobes ; texture membranous ; upper surface sliglitly, lower densely glanduloso- 

 pilose, with a few minute linear scales on the riljs ; sori submarginal ; inv. like 

 that of obtusa. — Canad. Nat. 1865, p. 90. W. obtusa, var. Lyallii, Hk. Sj/n. 

 edit. 1. p. 48. 



Hab. liocky Mountains. — Scarcely more than a variety of obtusa. 



14. W; oregana, Eaton ; st. densely tufted, not articulated, castaneous, 2-4 in. 

 1. ; scales minute linear-lanceolate ; jr. oblong-lanceolate, narrowed to both ends, 



