PTERIDOPHYTA 



(Ferns and Fern Allies) 



POLYPODIACEAE 



PolypodiuTn [Tourn.] L. Polypody. 



vulgare L. Common Polypody. 

 Phegopteris [Presl.] F6e. Beech Fern. 



polypodioides F6e. 



hexagonoptera (Michx.) F6e. 



Dryopteris (L.) Fde. Oak Fern. 

 Adiantum [Tourn.] L. Maidenhair Fern. 



pedatum L. 

 Pteris L. Brake or Bracken. 



aquihna L. Common Brake. 

 PeVaea Link. Cliff Brake. 



atropurpurea (L.) Link. Mt. Toby ; Gorge and near Titan's 

 piazza, Mt. Holyoke, Mrs. C. S. Phelps ; Wilbra- 

 ham, Dr. W. H. Chapin ; Mt. Tom ; Mt. Sugar 

 Loaf. 

 Cryptogramma R. Br. Rock Brake. 



SteVeri (Gmel.) Prantl. Mt. Toby. 

 Woodwardia Sm. Chain Fern. 



virginica (L.) Sm. Springfield, Dr. W. H. Chapin; Belchertown, 

 South Hadley. 



areolata (L.) Moore. Hadley, H. G. Jesup ; Deerfield, E. 

 Hitchcock. 

 AspleniuTTi L. Spleenwort. 



Trichomanes L. 



platymuron L. Oakes. 



Ruta-muraria L. Wall Rue. Mt. Toby. 



angustifolium Michx. Mt. Toby, Mt. Tom and vicinity. 



acrostichoides Sw. Amherst, South Hadley, etc. 



Filix-femina (L.) Bernh. Lady Fern. 

 Camptosorus Link. Walking Leaf. 



rhizophyVus (L.) Link. Mt. Toby, etc., _Mt. Holyoke[Gorge] Mrs. 

 C. S. Phelps ; Wilbraham, Dr. W. H. Chapin. 

 PolystichuTn Roth. 



acrostichoides (Michx.) Schott. Christmas Fern. 



acrostichoides (Michx.) Schott. var. schweinitzii (Beck.) Small. 

 Not rare. 

 Aspidium Sw. Shield Fern. Wood Fern. 



