(894- J PLANTS OF MONROE COUNTY. 131 



CRVPTOGAMIA. 



VASCULAR ACROGENS. [PTERIDOPHYTA.l 



EQUISETACE^. 



403- EQUISETUM L. 



1310. E. arvense L. Common Horsetail. 



Moist sandy or gravelly soil, railroad embankments, river banks and 

 ravine sides ; common. 



1311. E. sylvaticum L. 



Wet shady places ; infrequent. 



1312. E. palustre L. 



Rare. Margin of Genesee river, near lake Ontario, J. B. Ftiller. 



1313. E. limosum L. {E. fltiviatile L.) 



Infrequent. Rochester, Dr. C. M. Booth, J. B. Fuller. Gates, G. T. 

 FisJi. Brockport, M. S. Baxter. Wayne county. 



1314. E. hyemale L. Scouring Rush. 



Moist or dry banks ; common. 



1315. E. variegatum Schleicher. 



Frequent on the shore of lake Ontario. 



1316. E. scirpoides Michx. 



Wooded hillsides ; not common. Mount Hope. Banks of Irondequoit 

 creek and bay. Hopper's hill, Greece. Webster. Wayne county. 



FILICES. 



494.. POLYPODIUM L, 



13 1 7. P. vulgare L. Common Polypody. 



On rocks and roots of trees ; infrequent. Four stations on the banks 

 of Genesee river, between the lower falls and the rifle range. East side 

 of Irondequoit bay, near the sand bar, C. IV. Seelye. "The Gulf", 

 Genesee county, Miss F. BeckivitJi. Holley, Orleans county, Prof. IV. 

 H. Lemwn. Oak Orchard, M. S. Baxter. Cliffs on the eastern shore 

 of Canandaigua lake, C. IV. Seelye. Wayne county. 



4g5. ADIANTUJM L. Maidenhair. 



1318. A. pedatum L. 



Rich moist woods, shady banks, ravine sides ; common. 



4g6. PTERIS L. 



1319. P. aquilina L. Common Brake. 



Thickets, hillsides, old fields ; common. 



4gT. WOODWARDIA J. E. Smith. Chain-Fekn. 



1320. W. Virginica Smith. [TF. Vir^itiica (L.) J. E. Smith.] 



Abundant in a swamp at Mendon ponds. Adams Basin, M. S. Baxter. 



