XLI. 



LYCOPODIUM* CLAVATUM. 



Club Moss, Wolfs Clmo. 



Synonyms. — Muscus terrestris i*epens, Trag. ; Bauhin, p. 766. Muscus clavatus, 



LobeL, Icon. Stirp. 9 t. 281. Muscus squamosus vulgaris. Muscus ursinus vel 

 Pes ursinus, Gesn. Lycopodiuni, Dod. Pes leoninus, Lob. Lycopodium cla- 

 vatum, Linn., etc. Plicaria. 



Foreign Names. — Fr. : Pied de Loup, Lycopode. Germ. : Gemeines Biir- 

 lapp, oder Kalben-moos, Johannisgurtel, Morsame, Hesen-niehl, Wurm-mehl, Blitz- 

 pulver, Moospulver. San. : Wolfklann. Ital. : Licopodio. Span. : Licopodio. 

 Dan. : Ulvefoed. 



Nat. Order, Musci, Jus 8.; Lycopodiaceje, De Cand* 



Syst. Sex., Cryptogamia, Filices. 



Gen. Chae. — Capsules one-celled, some two-valved, including a fine 

 powdery substance ; others three-valved, containing a few large grain 

 or seeds (Hooker and Arnott). 



Spec. Chae. — Spikes in pairs, cylindrical, eroso-dentate. Stem creeping. 

 Branches ascending. Leaves scattered, incurred, and hair-pointed 



{E. B.) 



History. — Lycopodium was used medicinally for disorders of 

 the stomach by the Arabian physicians, mixed with other in- 

 gredients. Tragus also states that it was of the greatest service 

 in dispersing calculi. In Poland it is used as a remedy for plica 

 polonica. It is collected in considerable quantities in Germany, 

 under the name of Lycopode, or vegetable sulphur, to produce 



Fig. 1. Scale of a spike, with a capsule magnified. 2. A capsule. 3. Termina- 



tion of a leaf. 



* The name is derived from Avkos, a wolf, and ttovs, a foot. 



