190 Club-Moss (Lycopodiacecz). [No. 27 



of the fertile branches, about one inch in length, thick, 

 solitary, cylindrical. July. 



Found, in woods, in New England and Canada, rather 

 common. 



Van pungens, Spring, is a reduced form found on the 

 White Mountains. 



Fig. 90. (2) Common Club-Moss. L. davatum, L. 



Leaves, of the stem and branches alike, in many rows ; 

 narrow awl-shape, many of them with a double curve ; 

 all tipped with a long, fine bristle. Leaves of spikes, 

 scale-like, minute, yellowish, egg-shape or heart-shape, 

 also tipped with a slender bristle. 



Stems and branches, cylindrical, creeping extensively, 

 branches two to five inches long, erect, very leafy, 

 simple or often forked, the fertile ones terminated by 

 a slender stalk four to six inches in length, which 

 bears the one to four (usually two or three) slender, 

 cylindrical bristly spikes, one to two inches in length. 

 July. 



Foitnd, in dry woods, from the mountains of North Caro- 

 lina northward. Common, especially northward. It 

 is much used at the north for Christmas decorations. 



The Lycopodium powder of druggists and of fireworks 

 manufacturers is obtained chiefly and in great quantities 

 from this species. 



