CLUB-MOSS FAMILY. ^ 



g. Lycopodium clavatum L, Runninjr IMnc. Club-mo^. Fu- y6.j 



Lycopodium clavalum I.. Sp \<\ n,,. 1753. 



Stems extensively creeping, i-4 long with dol- 

 lar short irregular ascending or decumbent dmtcly 

 leafy branches. Leaves much crowded, many -ranked, 

 incurved, linear-subulate, bristle-tipped, the lower 

 denticulate, the upper nearly entire and lightly de- 

 current on either side ; spikes 1-4 on long H-ctnate 

 peduncles; bracts membranous, roundish, eroae- 

 denticulate below, bearing in the axil transrrrsely 

 oval sporange which splits nearly to the hue ; pores 

 narrowly reticulate. 



In woods, Labrador to Alaska, south \<> N.rth Carolina, 

 Michigan and Washington. AN., in i 4 and 



Central America. Tin- sp<.- - nl thc 



of L. f<>//>/(i>i<t/ni. furnish the inflammable powder 

 known as Lycopodium powdi r or vegetable iiulphur 

 in stage effects. AUK- < 'i't 



io. Lycopodium Carolinianum L. Caro- 

 lina Club-moss. (Fig. 97.) 



Lycopodium Carolinianum L. Sp. PI. 1104. 1753. 



Sterile stems and their few short branches entirely 

 creeping, closely appressed to the earth, \' -$' long, 

 emitting numerous roots on the lower side. Leaves 

 of fertile stems of two forms, the lateral ones broadly 

 lanceolate, acute and somewhat oblique, i-nerved, 

 widely spreading, in 2 ranks with a shorter, interme- 

 diate row appressed on the upper side ; peduncles 

 simple, slender, 2 / -6 / high, clothed with small bract- 

 like leaves and bearing a single cyliudric spike ; bracts 

 cordate, short-acuminate, mostly entire with trans- 

 versely oval sporatiges in the upper axils. 



In moist pine barrens, New Jersey to Florida and Louisi- 

 ana near the coast. 



ii. Lycopodium complanatum L. Trail- 

 ing Christmas-green. 1 



Lycopodium coif>lanatnm \ 



Stems extensively creeping, with erect or 

 ing reniform or fan-shaped branches tereral 

 forked above, with crowded flattened branchleta. 

 Leaves minute, imbncate-appreed. 4-ranked. 

 lateral rows with somewhat spreading tip*, the in 

 termediate smaller, narrower. a: M" i***A* 



forming a flat surface ; peduncle slender. ; 

 dichotomous, bearing 2-4 liuear-cyUndric pike; 

 bracts broadly ovate, acuminate, the margin* p.* 

 erose ; sporanges transversely oval, deeply splitting. 





In woods and tlr 



to North Carolina. Michigan a*d Hnti 

 in Kurope and 

 phous leavt-s and narrower, n 

 have been separated as var. c'Aaw 



