WASHINGTON, AND MARION COUNTIES. ^7 



Genus Pellcsa, ( Yiff Brake. 



659. C'lill Brake, Pellaea atropurpurea (Link.) 



Genus Asplenium, Spleenwort. [(Nutt.) 



660. Pinnatifid Spleenwort, Asplenium pinnatifidum 

 661. , A. ebenoides (R. K. Scott.) 



662. Maidenhair Spleenwort, A. Trichomanes (L.) 



663. Ebony Spleenwort, A. ebeneum (Ait.) 



664. Small Ebony Spleenwort. A. parvulum (Eatonl) 



665. Wall-rue Spleenwort, A. Ruta-muraria (L.) 



666. Narrow-leaved Spleenwort, A.angustiiblium (Michx) 



667. Marsh Spleenwort, A. thelypteroides (Michx.) 



668. Lady Fern, A. Filix fcemina (Bernli.) 



Genus Camptosorus, Walking-leaf. 



669. Walking-leaf, Camptosorns rhizophyllus (Link.) 

 Genus Phegopteris^ Beech Fern. 



670. Beech Fern, Phegopteris polypodioides (Fee.) 



671. Beech Fern, P. hexagonoptera (Fee.) 



Genus Aspidzum, Shield Fern. [(Swartz.) 



672. New York Shield Fern, Aspidium Noveboracense 



673. Marginal Shield Fern, A. marginale (Swartz.) 



674. Winter Fern, A. acrostichoides (Swartz.) 



Genus Cystopteris, Bladder Fern. [(Bernh.) 



675. Bulbous Bladder Fern, Cystopteris bulbifera 



676. Common Bladder Fern, C. fragilis ( Bernh.) 

 Genus Onoclea, Sensitive Fern. 



677. Sensitive Fern, Onoclea sensibilis (L.) 



Genus Wood si a. Woodsia. 



678. Obtuse leaved Woodsia, Woodsia obtusa (Ton*.) 



Genus Osmunda, Flowering Fern-. 



679. Royal Fern, Osmunda regalis (L.) 



680. Cinnamon Fern. O. cinnamomea (L.) 



Genus Botrychium Moonwort. ["(Swartz.) 



681. Virginia Moonwort, Botrychium Virginicum 

 Ternate Moonwort, B. ternatnm 



682. , Vak. obliquum (Milde.) 



