26 New York State Museum 



Botrychium ternatum (Thunb.) Sw., var. intermedium 

 D. C. Eaton. Leathery Grape Fern 

 Occasional on the more acid soils of the higher 

 ridges. Not collected in mature condition and possi- 

 bly to be referred to B. obliquum var. oneidense 

 (Gilbert) Waters. 

 Botrychium virginianum (L.) Sw. Rattlesnake Fern 

 Common in most of the rather open forested areas 

 of mixed growth. 



EQUISETACEAE (Horsetail Family) 

 Equisetum arvense L. Common Horsetail 



Common along railroad embankments, roadsides 

 and recently disturbed soil ; elsewhere uncommon or 

 rare. 

 Equisetum sylvaticum L. Wood Horsetail 



Common in low or wet woods and thickets, some- 

 times in wet, open situations, and in this region, con- 

 fined chiefly to the lower valleys of Quaker run, Red 

 House, and the Allegheny and Tunungwant valleys. 

 Equisetum hyemale L. Scouring Rush 



Locally common on banks and in sandy thickets 

 of the Allegheny valley. Erie Railroad embank- 

 ment a mile north of Quaker Bridge, sandy banks 

 opposite Red House, Stetson pond etc., apparently 

 the var. affine. 



LYCOPODIACEAE (Club Moss Family) 

 Lycopodium lucidulum Michx. Shining Club Moss 



Common in damp forested areas. 

 Lycopodium annotinum L. (figure 3). Stiff Club Moss 

 Locally common on rocks and banks in rather open 

 situations, chiefly above 1800 feet altitude, Stony 

 brook trail, rocks on the divide between Red House 

 and Limestone valleys, Blacksnake mountain trail, 

 Cayuga mountain etc. 



