48 11. WOODSIA, PHYSEMATIUM. 



9. W. pofystichoides, Eat. ;fr. a span long, subcoriaceo-membranaceous, opaque, 

 lanceolato-pinnate, sparsely subulato-squamulose ; 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 4-5 concave, ciliated, incurved scales, strongly ciliated. Hk. 2nd Cent. 

 of F. t. 2. /3. Veitchii; fr. very villous. Hk. Gard. F. t. 32. ff. I. 2. 4-6. 

 y. sinuata ; pinnse broader, more obtuse, lobato-pinnatifid. Hi. I, c. t. 32. f. 3. 



Hab. a. and /3. Japan, Eaton & Wilford. y. Manchuria, a. Ta-lien-kwan, Yellow 

 Sea, China, Birnie. 



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

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

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

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

 invol. globose, tliin, membranaceous, at length opening with a toothed edge to the 

 contracted mouth. Hk. 2nd Cent, of F. t. 98. 



Hab. Manchuria, Wilford. Japan, Maximowicz. 



f) 11. W. Burgessiana, Gerr. mst. ; jr. 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 K., Natal, Gerrard, McKen. 



12. W. obtusa, Torrey ; st. tufted, not articulated, 3-6 in. 1., castaneous towards 

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

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

 1-1^ in. 1., lower reduced ; pinnl. 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. I. p. 63. Gard. F. t. 43. W. 

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

 191. Sp. Fil. 1. p. 63. /3, W. peruviana, Hk. ; pinnl. not close, blunt, sharply 

 inciso-pinnatifid. Hk. Sp. 1. p. 61. fig. 21 B. y, crenata (Kze.), texture more 

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

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

 Klotzsch. 



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

 Uraguay. /3, Peru, 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 pinnce lanceolate, sessile, $--| in. 1., cut 

 down to rachis or a narrow wing into close ligulate-oblong crenato-pinnatifid 

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

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

 that of obtusa. Canad. Nat. 1865, p. 90. W. obtusa, var. Lyallii, Hk. Syn. 

 edit. 1. p. 48. 



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



14. W. oregana, Eaton ; .9*. densely tufted, not articulated, castaneous, 2-4 in. 

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



