-~ / AX 



'■m^ 



Fig. 172. — Portion of mature Frond — under side. 



LASTREA THELYPTERIS. 



BORY. 



The Female Buckler Fern^ or Marsh Fern. 



PLATE XXIII. 



Lastrea thelypterit, 



" palustris, 

 Aspidium thelypteris. 



palustre, 

 Athyrium theJypterls, 

 Acrostichiim thelypterU, 

 Polyslichum thelypteris, 

 Kephrodium thelypterts, 

 Dryojitei'is thelypterts, 

 Heniestheum thelypterts, 

 Polypodium thelypterts, 

 *' pteroides, 



" palustre, 



Thelypterts palustris, 



BOBY. PeESL. DfiAKIX. 

 BaBIXGTOX. ifEWMA>-. iloOEB. 



SowEKBY. Hooker. 



J. Smith. 



SwABTZ. Smith. Mackat. 



HOOKEB AND AbsOTT. BesTHaM. 

 "WiLLDENOW. ScHKUHB. FeE. 



FfiiES. Spbengel. Gbay. 

 Mettexius. E. J. Lowe. 

 Gbay. 

 Speexgel. 



LiXNiUS. BoLTOX. 



Both. Koch. Ledeboub. 



Stbempel. 



A. Gbay. 



Newmax. 



Lixxius. 



Lamabck. 



Salisbuby. 



Schott. 



HCDSOX. Stcbm. 



