BEAL ON MICHIGAN FLORA. 37 



*51. P. Phegopteris (L.) Underw. Long Beech-fern. P. polypodioides Fee. Isle 

 Royale, Dr. A. B. Lyons; Keweenaw Co., O. A. Farwell; Frankfort; Inland, Grand 

 Traverse Co.; rocks, Grand Ledge. Abundant northward. Th. 



WOODWARDIA J. E. Smith. 



52. W. areolata (L.) Moore. Net-veined Chain-fern. W. angustifolia J. E. Smith. 

 South Haven, L. H. Bailey in 1880; near Black River, St. Clair Co., C. K. Dodge. 



*53. W. Virginica (L.) J. E. Smith. Virginia Chain-fern. Marshes, Marquette 

 Co., Burt. MS. Cat.; Westville, Montcalm Co.; Flint; So. Haven, Bailey; Hubbards- 

 ton, C. F. Wheeler; Ann Arbor, Allmendinger Cat.; near Port Huron, C. K. 

 Dodge. Th. 



CAMPTOSORUS Link. 



54. C. rhizophyllus (L.) Link. Walking-fern. Keweenaw Co., 0. A. Farwell; 

 Alpena, V. M. Spalding, C. F. Wheeler; Norway on the northeast exposure of 

 quartz rock, C. F. Wheeler. Rare. 





 ASPLENIUM L. 



*55. A. acrostichoides Sw. Silvery Spleenwort. A. thelypteroides Michx. Rich 

 woods. Frequent. Th. 



*56. A. angustifolium Michx. Narrow-leaved Spleenwort. Rich woods, S. W., 

 Wright Cat.; Ann Arbor, rare, Allmendinger Cat.; Flint; S. Haven, Bailey; Ionia 

 Co. Infrequent. C. & S. 



*57. A. Filix-foemina (L.) Bernh. Lady Fern. Moist woods. Exceedingly 

 variable. Common. Th. 



58. A. montanum Willd. Mountain Spleenwort. Near Clifton, Keweenaw Co., 

 O. A. Farwell. 



59. A. platyneuron (L.) Oakes. Ebony Spleenwort. A. ebeneum Ait. Allegan, 

 Miss Josie A. Williams. Only station known in the State. 



60. A. Rutra-muraria L. Wall Rue Spleenwoort. N. E., Winch. Cat.; Keweenaw 

 Co., 0. A. Farwell. Rare. 



61. A. Trichomanes L. Maidenhair Spleenwort. N. E., Winch. Cat.; Keweenaw 

 Point; Isle Royale, Porter. Infrequent. N. & U. P. 



ADIANTUM L. 



*62. A. pedatum L. Maiden-hair Fern. Rich, moist woods. One of the most 

 beautiful ferns. Common. Th. 



PTERIDIUM Scop. PETRIS L. in part. 



*63. Pteridium aquilinum (L.) Kuhn. Common Brake. Pteris aquilina L. Open 

 ground. Common. Th. 



CRYPTOGRAMMA R. Brown. 



64. C. acrostichoides R. Br. American Rock-brake. Isle Royale, Gray's Manual; 

 Caribou Island, Porter. U. P. 



65. C. Stelleri (Gmel.) Prantl. Slender Cliff-brake. Pellaea Stelleri (Gmel.) 

 Walt. Louse Isle, Winch. Cat.; Pictured Rocks, G. H. Hicks. 



PELLAEA Link. 



66. P. atropurpurea (L.) Link. Purple Cliff-brake. Norway, C. F. Wheeler. 

 Shaded limestone rocks. N. E. Winch. Cat. 



POLYPODIUM L. 



anks and rocks 



very 



*67. P. vulgare L. Common Polypody. Dry banks and rocks. Grand Ledge, 

 W. J. B.; Hubbardston, C. F. Wheeler. Rarely seen in L. P., but very common in 



