LYCOroDIUM — CLUB-MOSS. 283 



LYCOPOOIACE^E. 



Character of the (),v/<r. -Plants of a moss-like nspoct haviug 8,)ore 

 Cttsew in tlio h.mIh of their Hiniplo, coninmnly iiwl-Hlmped loaves. 

 A small order of comparatively unimportant plants. 



Ly(.'01'01)IUM.-Ci.uii.M<)Ns. 



Lycopodium clavatum Lmm-.—Cmmon Vh,l,.Mfm, 



Z>mr/y>//o/..--Spore-eaHes reniform, coiiaceous, 1-ceUed, 2-valvcd in 

 spikes nt the summit of the branches. 



A low perennial. Stem creeping extensively, with numerous short as- 

 cendn^^ bnuiclies ; these are thickly beset with linear-awl-shaped leaves 

 tipped with a bristle. The fertile branches are terminated by a short 

 peduncle bearing 2 or 8 linear-cylindrical fruit in- sj.ikes. 



IMitat.—ln dry woods ; common both here a"nd in JCuiope. 



I'art Umf. -The sporules. Officitd name : Lycopodium.- f nited States 



J harDiaropo'ia. 



C,W//.s/,/,„v,/..-Lycopodium is a fine, pale-yellowish, inflammable powder 

 Avithout odor or taste. It contains fixed oil and a minute proportion of 



sugar. 



Jjlclical Properties and 6^.x.-Lycopodium is used as a dusting powder 

 for irritated and excoriated surfaces, and by apothecaiies to prevent newly 

 made piUs from adhering together. 



