WOODSIA. — LASTEEA. 
5S3 
6. ? P. flexile (Moore) ; fronds linear-lanceolate, bipinnate, 
I pinnce ovate-lanceolate distant, pinnules narrmo at their base 
obovate bluntish serrate and with unbranched veinlets, clusters 
chiefly on lower half. — S. ed. 3. 203. — P. rheticum Fl. Dan. 
2607? Athyrium (Sy.).— Stipe short. Fronds much less 
divided, narrow, elbowed, spreading horizontally. — Abundant 
in Glen Prosen, Forfarshire, (rlen Lyon, Ben Aulder. P. 
VII. VIII. S. 
3. WooDS'lA R. Br. 
1. IF. ilven'sis (R. Br.) : frond lanceolate hairj' and chafiy 
beneath pilose above, jnnnce ohlong or orate piimatifid, lobes 
" very blunt nearly entire.— E. B. S. 2616. //. /'. 8. J. 137.— 
Ehizome tufted. Stipe jointed. Frond 1 — 5 inches long : 
pinnae 4 — 6 lines long, mostly opposite. — Exposed alpine rocks. 
( Jlyder Fawr, X. Wales. Falcon Clints, Durham, ^^'^lite 
I'oombe, Dumfries. P. VIT. E. S. 
2. ir. alpiiui (Newm.) ; frond linear-lanceolate or oblong 
pinnate glabrous or slightly hairy only beneath, 7i;')t?icp triangit- 
I'lr pinnatifid or lobed, lobes 3 — 7 very blunt nearly entire. — 
B. 2023. H. F. 7. X. 143.— IT\ hti2>erborea (R. Br.). 
Acrostichum alpinvm Bolt. t. 42. — Rhizome tufted. Stipe 
jointed. Frond 1 — 3 inches long : pinniB mostly alternate, a 
little longer than broad ; pinnules 2 — 3 lines long. — Exposed 
I alpine rocks. Breadalbane ^Its., Perthshire. Clogwyn y 
Garnedd, Snowdon. P. VII. E. 8. 
Tribe II. Aspidiece. 
4. Las'trea Bory em. Presl. 
* Lateral veins simple O'rfm-ked. Clusters on the simple i<ei/ns 
or either or both branches. 
1. L. Thelyp'teris (Bory); rhizome slender far-creeping, 
fronds pinnate, pinnae linear-lanceolate pinnatifid slightly 
downy but witlwut glands, lobes oblong, clusters submarginal. 
— H. F. 13. iV. 183. — Fronds lanceolate ; earlier barren with 
flat lobes ; later fertile with revolute-edged lobes ; 2 or 3 
lowest pairs of pinnae decreasing in size. Lateral veins alter- 
