46 10. HYPODERRIS. 11. WOODSIA, § EUWOODSIA. 



§ Euonoolea. Fert. fr. bipinnafe; pinnl. remrvato-globose ; invol. a globosi 

 pellicle, bursting at the summit. Veins of the sterile fr. copiously/ anastomosing. 



1. O. sensibilis, la.—Hh. Sp. Fil 4. p. 160. 



Hab. N. Am., U. St., from Florida to Carmda ; N. Asia, Amur, Japan, and Manchuria. 



§§ Strulliioptei-is, IV. Hk. O. Fil. t. GQ.-^Sp. 2. 3. Fert.fr. pinnate; pinnm 

 Sornlose or Jlattish. Veins all free pirmated; invol. subhemispherical, very 

 fugacious. 



2. 0. //ermamca, W. ; fr. broad-lanceolate, long-attenuated at the base ; fert. 

 , pimzce bliort, much contracted, linear-terete, torulose, lobed and torn at the 



"margin ; invol. cup-shaped, very fragile and soon obsolete. — HL Sp. A,.p. 161. 



Hnb. N. Europe, Scandinavia to Austria ; N. Asia, Manchuria to Altai ; N. America, 

 Canivda to PennsylTania. » 



3. O. orientalis, Hk. ; fr. ovato-oblong, not attenuated at the base ; fert. ones 

 oblong (often 2 ft. 1.) contracted ; pinnce linear-oblong, flattened 2-edged,«t'he 

 broad refracted margins covering the whole back, dark purple-brown, ^ossy, at 

 length spreading, torn at the margin, inv. 0. 1 — JSk 2nd Cent, of F. t. 4. Sp. 4. 

 p. 161. ' * 



Hab. Sikkim, alt. 12,000 ft. ; Assam ; Hakodadi, Japan.— I think Mettenius has 

 done well in uniting Onoclea and StrutJtiopteris ; and also in placing the genus near 

 Woodsia, on account of the involucre (when present) having its origin breath the sorus. 



Gen. 10. Hypodereis, Br. (See page 460.) 



Sori subglobose in lijies or series parallel with the second, veins. Invol. calyci- 

 form, thin-membranaceous, fimlrriated at the margin. — Frond simple^ subcordato- 

 hastate, costate, pinnatedh/ veined, memhranaceous ; veins aUernato-jlestuose, < 

 Veinlets copiously anastomosing. Tab. I. f. 10. 



1. H. Brownii, J. ^m.—Hh. Sp. p. 67. Ic. Ph t. 676, 676 ; and in Gard. F. 

 t. 24. Woodsia, Mett. 



Hab. Trinidad.— 7?)-. 10-12 in. 1., often hastately 3-Iobed. 



Gen. 11. Woodsia, Br. 



Sori globose. Invol. inferior, soft-membranaceous, from the first calyciform 

 or more or less globose, and sometimes enclosing the sorus, at length opening at 

 the top, the mai-gin or mouth irregular lobed or fringed. — Small herbaceous Ferns 

 of cold or temperate climates, much tufted: the stipes often jointed and separating 

 at the joint. Tab. I. f. 11. 



§ Euwoodsia. — Invol. smaUer tlian the sorus, but fringed with hairs which extend 

 beyond it. Tab. I. f. 11. Sp. 1-3. 



1. W. ilve^siSf Br.; slightly hairy above, St., racMs, costules, and »ems below 

 ciinite, with copious, rufous, chaffy scales ; fr. broad-lanceolate ; pinnce, oblong, 



■ obtuse, broader at the base, sessile, deeply pinnatifid with many oblong, obscurely 

 crenated lobes. — Hk Sp. 1. p. C3, and^Brit, F. t. 8. 



Hab. Arctic regions and high mountains in the temperate zone, Europe, Asia, and 

 America. 



2. W. Ji-'pa-horen, Br. ; glabrous, or with the St., rachis, and costce beneath 

 sliylitly liany, mixed with a few scattered scales; fr. linear-lanceolate, pin- 

 nated ; jt>««recB cordato-ovate, pinnatifid with few (5-7) broadly-obovate, entire 

 lobes ; the inf. loJ>es distant.— £%. Sp. 1. p. 64, and Brit. F. t. 7, 



Hab. Similar in its distribution to the preceding, 



