10 
6. Athyrium. 1. FILICES. 
PI. end . cr. 
Filix fcemina q. F.saxatilis caule teflui fragili, Rail Syn. 125, 7. 
Polypodium fragile, Lin. S. P. 1553. 
Aspidium fragile, Swartz . Syn. Fit 58. 
Cyathea fragiiis, Smith FI. Br. 1139. 
Cyclopteris fragiiis, Schrad. Journ. 
Rocks, old walls ; perennial ; June, July. 
<3 Riicetica. Pbmce spear shape, acute, distant ; leaflets 
deeply lobed ; lobes regularly serrate. 
Filix fcemina q. F. montana ramosa minor, argute denliculata Lhwyd. 
Ran. Syn. 1 24, 3 ; 
Polypodium Rliaeticum. With. 958. 
y. acuta . Pinnce spearsh ape, acute ; leaflets crowded. 
& obtusa . Pinnce spearshape, blunt. 
VI. 6. ATHYRIUM, Roth FI. Germ. Femalefern, 
Sori round, dispersed; involucra attached by one side, 
mostly the inner one, open towards the margin. 
1. Athyrium irriguum. Meadow Femalefern . 
Frond pinnate ; leaflets deeply pinnatifid-cut ; lobes ovate, 
oblong, sharply cut and toothed; stipes quadrangular; invo~ 
lucra short jagged. 
Polypodium irriguum, Engl. Bot. 2199. 
Aspidium irriguum, Smith Comp. FI. Ang. 156. 
Shady meadows; perennial; June. 
Stipes delicate, transparent green ; leaflets nearly con- 
nected at the base by a sort of wing from the partial rib ; 
sori several, about the lower part of the rachis ; involucra , 
oblong or square, whitish, fringed at the edge. 
2. Athyrium fontanum . Spring femalefern. 
Frond pinnate ; pinnce cordate, pinnatihd ; lobes ovate, 
rather acute, the lowest and the terminal ones subbilobate; 
sori when ripe confluent. 
Filix saxatilis non ramosa, minima, PluJcen, Phytog . 
Pol', podium forUanum, Lin, S ■ P. 1550. 
Aspidium fontanum. Smith Comp. FI. Ang. 156. 
On old walls and rocks ; perennial ; June. 
Sori confluent ; involucra white, lateral. 
3. Athyrium Iceium. Pleasant femalefern . 
Frond bipinnate; leaflets oblong, lanceolate, inciso-ser- 
rate ; serratures 2 or 3 toothed, acute ; sori oblong straight. 
Filix mas non ramosa, pinnulis angustis raris profunde dentatis, Rail 
Syn. 121,6; Ger. em. 13 30. 
Polypodium Filix fcemina, Lin. S. P. 1551. 
Aspid um Filix fcemina, Swartz Syn. Fit. 54. 
Atuyrium Filix fcemina, Roth Germ. 3, 65. 
Female polypody. Female shieldfern. 
