420 gy. FiLicEs. 



late united at the base pinnatifld with linear-oblong blunt lobes, 

 lowest pair of pinnte turned downwards and forwards the rest 

 upwards, clusters marginal. — E. B. 2224. N. 115. — Rhizome 

 nearly black, wiry, slightly scaly, creeping extensively. Fronds 

 triangular. Pinnse very acute, pointing upwards, rather hairy, 

 connected by their whole width with the rachis; lowest pair 

 quite distinct, with a minute stalk, standing forwards and point- 

 ing from the others.— Roth (Fl. Germ. iii. 73) found an evanes- 

 cent indusium, which no other person appears to have seen. — 

 Damp places, loving the spray of waterfalls. P. VII. — IX. 



3. P. ? Dryopteris (L.) ; fronds ternate glabrous, divisions pin- 

 nate, pinnee pinuatifid blunt uppermost nearly entire, clusters 

 marginal. — E. B. 616. N. 123. — Rhizome black, wiry, creeping, 

 slightly scaly. Stalk slender, brittle. The three divisions of the 

 frond loosely spreading, the middle one rather the largest. Ver- 

 nation resembling 3 little balls on wires. Not at all glandular. 

 — Shady mountainous places. P. VI. VII. 



4. P.? Robertianum (Hoffm.) ; fronds triangular subternate 

 glandular-mealy, lower branches pinnate, pinnse pinnatifid blunt 

 uppermost nearly entire, clusters marginal. — P. calcareum Sm., 

 E. B. 1525. iV. 1 31 . — More erect and rigid than the preceding, 

 always covered with very minute stalked glands giving a mealy 

 character to the surface. Frond scarcely 3-fid, the lower 

 branches being much smaller in proportion to the middle one ; 

 all the 3 erect, rigid. — On broken limestone ground. P. VII. 

 VIII. E. 



3. WooDSiA R. Br. 



1. W. ilvensis (R. 'Br.) ; frond lanceolate or oblong pinnate 

 hairy beneath. — IV. 137 and 147. — Our plants seem to me to 

 form only one species although they present three different appear- 

 ances, viz. — a. ilvensis ; fronds lanceolate, pinnse oblong deeply 

 lobed or pinnatifid blunt, lobes ovate crenate. W. ilvensis 

 E. B. S. 2616. In the continental plant the pinna; are narrowed 

 from the base and rather acute. — ;3. gracilis ; frond linear-lan- 

 ceolate, pinnae triangular pinnatifid, lobes 5 — 9 oval entire or the 

 lowest crenate. W. hyperborea E. B. 2023, Tausch ! Pol. hyp. 

 p. gracile Wahl. — y. alpina; fronds oblong, pinnae triangular- oval 

 lobed, lobes 3 — 5 rounded very blunt. Pol. hyperboreum Wahl. 

 Acrost. alpinum Bolt. t. 42. — A very small plant ; fronds 1 — 3 in. 

 long, hairy and scaly. Rhizome tufted. — Exposed alpine 

 rocks, very rare. a. Glyder-Fawr, N. Wales. Falcon Glints, 

 Teesdale, Durham. /3. Ben Lawers. Mr. DicJcson ! y. Ben 

 Lawers. Mr. W. Wilson\ Clogwyn y Garnedd, Snowdon. 

 P. VII. E. S. 



