128 FERNS AND THEIR ALLIES 



single, sessile, scaly spike about an inch in 

 length, which matures in July. 



FESTOON GROUND PINE. 



Lycopodium complanatum. 



Stem trailing, sometimes underground. 

 Branches erect and fan-like, being numerously 

 forked above. The branchlets are crowded and 

 flattened. The leaves are small, four-ranked, 

 imbricated-appressed, — the side rows with tips 

 somewhat spreading, the intermediate rows 

 wholly appressed and smaller. 



It grows in woods and thickets and is found 

 common. 



The fertile peduncle is slender, bearing from 

 two to four cylindrical, scaly spikes not more 

 than an inch in length. These mature in July. 



TREE CLUB-MOSS. 



Lycopodium ohsninini dcndroidettm. 



Stems erect, from si.x to nine inches high, 

 scattered, and from a rootstock creeping under- 

 ground. Branches many, spreading, and fan- 

 like. Leaves linear-lanceolate, from four to six 

 ranked, acute and entire. 



This plant grows in moist woods and is com- 

 mon. It is distinguished by its tree-like form, 

 whence its name. Another title it sometimes 

 bears is Ground Pine. 



