iO 6. Athyrium. 1. FILICES. Plend.cr. 



Fiiix foemina q. F. saxatilis caule teniii fragili, Rail Syn. 125, 1. 

 Polypofiiiim fragile, i?7i. S. P. 1553. 

 Aspidium fragile, Swarlz. Syn. Fit 58. 

 Cyathea fragi'lis, Smith Fl. Br. 1139. 

 Cycl<)])teri3 fragilis, Sckrad. Journ. 



Rocks, old walls ; perennial ; June, July. 



^ RhcBfira. P'mncB spear shape, acute, distant; leaflets 

 deeply lobed ; lobes regularly serrate. 



Filix foeraina q. F. montana ramosa minor, argute denticulata Lhwyd. 

 Raii. Syn. 124,3; 



Polypodiuiii Rliaeticum. With. 958, 



y. aaita. Pinncs spearshape, acute ; leaflets crowded. 

 51 ohtusa. Pinnce spearshape, blunt. 



VI. 6. ATHYRIUM, Roth Fl. Germ. Femalefern. 



Son round, dispersed ; involucra attached by one side, 

 mostly the inner one, open towards the margin. 



1. Alhyrium irrif^uum. Meadow Femalefern. 

 Frond pinnate ; leaflets deeply pinnatifid-cut ; lobes ovate, 



oblong, sharply cut and toothed ; si'/pes quadrangular; invo- 

 lucra short jagged. 



Polypodium iniguum, Engl. Bot. 2199. 

 Aspidium irriguum, Sniilh Coinp. Fl. 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 lov^-er part of the rachis ; inuolucra, 

 oblong or square, whitish, fringed at the edge. 



2. yithyriumfontanum. Spring femalefern. 

 Fro/ifZ pinnate; pinnce cordate, pinnatifid; /oZ-es ovate, 



rather acute, the lowest and the terminal ones subbilobatej 

 sori when ripe confluent. 



Filix saxatilis non ramosa, minima, Pluken. Phytog. 

 Pol\ podium foiKanum, I An. S. P. 1550. 

 Aspidium fontanum, Smilh Comp. Fl. Ang. 156. 



On old walls and rocks ; perennial ; June. 

 Sori confluent ; involucra white, lateral. 



S. Athyrmm 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 anguslis raris profunde deutatis, Raii 

 Syn. 121, G; Ger. em. I J 30. 



Polypodium Filix foemina, Lin. S. P. 1551. 



A>pi(iium Filix fceininn, Swarlz Syn. Fit. 54. 



Athyrium F'lix fcemina, Rulh Germ. 3, 65. 



Female polypody. Female shieldfern. 



