LYCOPODIACEAE. 



6. Lycopodium annotinum L. Stiff 

 Club-moss. (Fig. 93.) 



/.jr.'/W/M/ aumifinum L. Sp. PI. 1103. 1753. 



Stems much branched, slender, prostrate and 

 creeping, rather stiff, i-4 long, the branches sim- 

 ilar, ascending, s'-S' high, sparingly forked. 

 Leaves uniform, spreading, 5-ranked, rigid, linear- 

 lanceolate, minutely serrulate, nerved below; spikes 

 solitary or several at the ends of the branches, ob- 

 long-cylindric, i'-2)4' long, composed of ovate or 

 ovate-cordate, short-acuminate and denticulate 

 bracts, each with a sporange in its axil; spores 

 smooth or spinulose-reticulated on the basal surface. 



In woods and thickets, commonly in dry soil, Lab- 

 rador to Alaska, south to New Jersey, West Virginia, 

 Michigan, Colorado and Washington. Also in Europe 

 and Asia. Mountain forms with more rigid pointed 

 leaves have been separated as var. pungens. Autumn. 



7. Lycopodium alpinum L. Alpine Club- 

 moss. (Fig. 94.) 



Lycopodium alpinum L- Sp. PI. 1104. 1753. 



Stems elongated, creeping, with ascending densely 

 clustered crowded dichotomous branches. Leaves 

 4-rauked, erect-imbricate, aduate-decurrent, of two 

 forms ; those of the lateral rows lanceolate, falcate, 

 acute, carinate, concave within, those of the interme- 

 diate rows scarcely one-third as large, lanceolate-sub- 

 ulate, the upper and lower rows alike ; spikes solitary 

 at the apices of slightly elongated branches, erect, 

 closely sessile, the stems leafy to their bases ; bracts 

 broadly ovate, acuminate, dentate ; spores reticulated. 



In woods, Labrador to Lake Superior, Washington and 

 Alaska. Sometimes united with L. co mpla natum. Also 

 in Europe and Asia. 



8. Lycopodium sabinaefolium Willd. 

 Cedar-like Club-moss. (Fig. 95.) 



I.ycopodium sabinaefolium Willd. Sp. PI. 5 : 20. 1810. 



Stems elongated, creeping, or more usually sub- 

 terranean with short erect dichotomous clustered 

 ascending branches, a'-3' long. Leaves 4-ranked, 

 small, appressed or slightly curved outward, lan- 

 ceolate, mucronate, entire, apparently . terete ; 

 spikes short-peduncled, solitary, cylindric, with 

 cordate acuminate erose-denticulate or entire 

 bracts; sporanges transversely oval or somewhat 

 reniform, deeply splitting. 



In cold woods, Labrador to Nt-w Jersey and British 

 Columbia. 



