POLTPODITTM. WOODSIA. 455 



careum Sm., E. B. 1525. N. ISl. — More erect and rigid than 

 the preceding, always covered with very minute stalked glands 

 giving a mealy character to the surface. Frond scarcely S-fid, 

 the lower branches being much smaller in proportion to the 

 middle one ; aU the 3 erect, rigid. — On broken limestone erround. 



P. v.— vm. E. 



*** Veinlets not knobbed, scarcely reaching the edge, simple or 

 branched, each bearint/ a cluder hehw its end or that of its 

 anterior branch. Marely there is an oblique curved false in- 

 duaium. Stipes not jointed to rootstock. 



5. P. alpes'tre (Hoppe) ; fronds lanceolate bipinnate, pinnes 

 narrow-lanceolate with a broad base contiguows, pinnules widest 

 at their base acute pinnatifid with serrate lobes and branched 

 veinlets.— -ff. J^. 6. S. 49.— Fronds suberect, 1—8 ft. high. 

 Much like Athyr. Filix-fos-mina. — High mountain-valleys. P. 

 VII. VIII. 8. 



6. .P P. flex'ile (Moore) ; fronds linear-lanceolate bipinnate, 

 pinncB ovoie-lanceolate distant, pinnules narrow at their base ob- 

 ovate bluntish serrate and with unbranched veinlets. — N. ed. 3. 

 203. — P. rhetictim Fl. Dan. 2607 ?— Stipe short. Fronds much 

 less divided, narrow, elbowed, spreading horizontally. Clusters 

 crowded at the base of the frond, fewer upwards. — Abundant in 

 Glen Prosen, Forfarshire. P. VII. VIII. S. 



3. WooDs'iA B. Br. 



1. W. ihen'sis (K. Br.J; frond lanceolate hairy and chaffy 

 beneath pilose above, ^m«« oblong or ovate pinnatifid, lobes very 

 blunt nearly entire.— -B. B. S. 2616. S. F. 8. N. 137.— Rhi- 

 zome tufted. Spike jointed. Frond 1 — 5 inches long ; pinnas 

 4 — 6 lines long, most^ opposite. — Exposed alpine rocks. Glyder 

 Fawr, N. Wales. Falcon Glints, Durham. White Coombe, 

 Dumfries. P. VII. , E. S. 



2. W. hyperbdrea (R. Br.) ; frond linear-lanceolate or oblong 

 pinnate glabrous or slightly hairy only beneath, ;9i«w« triangular 

 pinnatifid or lobed, lobes 3 — 7 very blunt nearly entire. — B. B. 

 2023. -ff. F. 7. N. 143. Acrostichum alpinum Bolt. t. 42. — 

 Rhizome tufted. Stipe jointed. Frond 1 — 3 inches long; 

 pinnse mostly alternate, a httle longer than broad; pinnules 

 2 3 lines long. — Exposed alpine rocks. Ben Lawers, Perth- 

 shire. Glogwyn y Gamedd, Snowdon. P. VII. E. S. 



