PLANTS OF ONONDAGA COUNTY 15 



E. PRATENSE — Ehrli, 1784. Thicket Horsetail. 



Sandy soil. North from Clay. Sheaths cup-shaped, 

 overlapping each other. Frequent. July and Aug. 



E. PALUSTRE — Lin. Marsh Horsetail. 



Three River Point. Near Liverpool, etc. Not rare. 

 Central cavity very small. Sheaths long. July. 



E. FLUVIATILE — Lin. (E. Limosum Sp.) Swamp Horse- 

 tail. 

 Banks of Seneca River. Skaneateles Lake. Infrequent. 

 Sheaths long with 18 appressed teeth. May, June. 



E. HYEMALE — Lin. Com. Scouring Rush. 



Banks of Onon. Cr. Com. along banks of rivers and 

 lakes, everywhere. Seldom branched. Stem rough and 

 used for scouring. May, June. 



E. SCIRPOIDES — Michx, 1803. Sedglike Equisetum. 



Roots of trees near Baldwinsville. Delicate. Sheaths 

 with three teeth. Rare. May, June. 



LYCOPODIACE/E— Michx— Club Moss Fam. 

 LYCOPODIUM— Lin. 



L. SELAGO — Lin., 1753. Fir Club Moss. 



Near Brewerton and Clay, Rare. Sept. 

 L. LUCIDULUM — Michx, 1803. Shining Club Moss. 



Long Branch, in damp slope. Rare. July, Aug. 

 L. OBSCURUM — Lin. Ground Pine. 



Near Cicero swamp. Rare. Fruiting spikes. Solitary. 



One to ten on each plant. July, Sept. 



L. CLAVATUM — Lin., 1753. Running Pine. 



Kinney woods, near scollopendrium ravine. Rare. 

 Fruiting spikes, three in a cluster. Aug., Oct. 



L. COMPLANATUM — Lin. Trailing Christmas Green. 



Kinney woods near the former. Baldwinsville, Howlett 

 Gorge. Not plentiful. July, Nov. 



L. INUNDATUM — Lin., 1753. Bog Club Moss. 



Not common. Sandy soil near Centreville. Aug., 1899. 



