132 ROCHESTER ACADEMY OF SCIENCE. [Oct. 8, 



498. ASPLENIUM L. Spleenwort. 



132 1 . A. Trichomanes L. 



Shaded cliffs; rare. Glen east of Float bridge, Dr. C. M. Booth! 

 " The Gulf ", Genesee county, Miss Beckwith. Holley, Prof. Lennon. 



1322. A. ebeneum Ait. [A. platy 'neuron (L.) Oakes.] 



Rare. Bank of Genesee river, M. S. Baxter. Near the Sea Breeze, 

 Irondequoit, C. W. Seelye. Mendon, M. S. Baxter. Holley, Prof. Lennon, 



1323. A. angustifolium Michx. 



Rich woods and ravine bottoms ; not common. Woods, east of 

 Rochester, C. IV. Seelye. Near Rochester, Dr. C. M. Booth. Dugway, 

 Mrs. M. E. Streeter. Gates, Geo. T. Fish. Brockport, M. S. Baxter. 

 Glen at Seneca point, Canandaigua lake, C. IV. Seelye. Wayne county. 



1324. A. thelypteroides Michx. [A. acrostic ho ides Swartz.] 



Rich woods ; common. 



1325. A. Filix=fcemina Bernh. [A. Filix-fos?nina (L.) Bernh.] 



Moist rich woods ; common. 



499. CAMPTOSORUS Link. 



1326. C. rhizophyllus Link. [C. rhizophyllus (L.) Link.] Walking-Leaf. 



Shaded rocks ; not common. Brighton, C. W. Seelye. Gates, G. T. 

 Fish. Bank of Genesee river and glen east of Float bridge, Dr. C. M. 

 Booth! Ogden, M. S. Baxter. "The Gulf", Genesee county, Miss M. 

 E. Macauley, Miss F. Beckwith. Holley, M. S. Baxter. Glen at Seneca 

 point, Canandaigua lake, G. T. Fish, C. IV. Seelye. Wayne county. 



500. PHEGOPTERIS Fee. Beech Fern. 



1327. P. polypodioides Fee. [P. Phegopteris (L.) Underw.] 



Rare. Irondequoit, C. IV. Seelye. L. Holzer. Wayne county. 



1328. P. hexagonoptera Fee. [P. hexagonoptera (Michx.) Fee.] 



Open woods ; common. 



1329. P. Dryopteris Fee. [P. Dryopteris (L.) Fee.] 



Scarce. Webster, Mendon, Hamlin, M. S. Baxter. Holley, Orleans 

 county, Prof. Lennon. Wayne county. 



501. ASPIDIUM Swartz. [Dryopteris Adans.] Shield Fern. 



1330. A. Thelypteris Swartz. {Dryopteris Thelypteris (L.) A. Gray.] 



Moist or marshy ground ; common. 



1331. A. Noveboracense Swartz. {Dryopteris Noveboracensis (L.) A. Gray.] 



Moist woods and moist shady places ; common. 



1332. A. spinulosum Swartz. {Dryopteris spinulosa (Retz) Kuntze.] 



Dry or wet woods, and swamps ; not uncommon. 



1333. A. spinulosum Swartz var. intermedium D. C. Eaton. {Dryopteris 

 spinulosa inter?nedia (Muhl.) Underw.] 



Woods ; common. 



1334. A. spinulosum Swartz var. dilatatum Hooker. {Dryopteris spinulosa 

 dilatata (Hoffm.) Underw.] 



Charlotte, C. IV. Seelye. Dr. Anna H. Scaring. 



