CLASS XXIV. ORDER I. 413 



421. LYCOPODIUM. 

 Lycopodium Carolinianum. Willd. Carolina Club Moss. 

 Stem creeping; leaves two ranked, spreading, lan- 

 ceolate; peduncle erect, solitary, elongated, one spiked; 

 bractes sublanceolate. 



A creeping species, keeping close to the ground in muddy 

 soils, the peduncle being the only erect part. This is long, slen- 

 der, and bears a single spike. — Found at Sandwich. 



Lycopodium clavatum. L. Common Club Moss. 



Leaves scattered, ending in hairs; spikes in pairs 

 cylindrical, pednnculated, the scales ovate, acuminatCj 

 toothed. 



Stems very long, trailing and rooting. Leaves linear-lanceo- 

 late, spreading, nerveless, ending in a curved bristle. Flower- 

 ing stalks erect, with two or three spikes. Scales or bractes 

 dilated at base. — Woods, Mount Auburn. 



Lycopodium complanatum, L. Flat Club Moss. 



Leaves two rowed, united, superficial ones soli- 

 tary ; spikes in pairs, pedunculated. 



A common, trailing evergreen. The stems, which creep on 

 the ground for a considerable distance, are furnished with dis- 

 tinct, somewhat remote scales or leaves. Branches spreading, 

 subdivided by regular forks, flattened, two edged. Leaves very 

 short and acute. Peduncles elongated, forked at top, and usually 

 supporting four erect, cylindrical spikes. Bractes closely im- 

 bricated, heart shaped, acuminate. — Woods and pastures. — Pe- 

 rennial, 



Lycopodium rupestre. L. Rock Club Moss. 



Stems branching, rooting : branches subdivided, as- 

 cending; leaves scattered, imbricated, linear-lanceo- 

 late, ciliate, tipt with bristles ; spikes solitary, sessile. 



A. little plant, remarkable for the square form of its spikes. 

 Leaves many rowed. Spikes terminal, four rowed, barely dis- 



35* 



