PTERIDOPHYTA. 7 



EQUISETACE^ (HORSETAIL FAMILY). 



Equisetum (Tourn.) L. Horsetail, 

 arvense L. Common Horsetail. 



In sandy soil, as railroad embankments, common, 

 pratense Ehrh. 



Templeton. Mr. P. Blodgett. 

 sylvaticum L. Wood Horsetail. 



Damp, shady places, common, 

 fluviatile L. Pipes. 



In swamps and shallow water, 

 hyemale L. Scouring Rush. 



Prof. G. E. Stone. In wet places, 



scirpoides Michx. 

 Southbridge. Mr. L. E. Ammidown. 



LYCOPODIACE.E (CLUB MOSS FAMILY). 



Lycopodium (Rupp) L. Club Moss. 

 Selago L. 



Mt. Watatic, Ashburnham. 



lucidulum Michx. In wet woods, common, 



inundatum L. On sandy shores, 



annotinum L. 



In open woods, apparently not well known in the county. 



Leicester. Mr. George Coult. 

 clavatum L. Common Club Moss. 



Very common, especially in old, hillside pastures. 



"As I spoke, beneath my feet 

 The ground pine curled its pretty wreaths 

 Running over the club-moss burrs." 



R. W. EMERSON: Each and All. 



