Class XXIV. Order I. 385 



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

 dilated at base. Woods, Sweet Auburn. 



LYCOPODIUM COMPLANATUM. L. Flat Club J\Ios$ r 



Leaves two rowed, united, superficial ones solitary ; 

 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- 

 tinguishable from the leafy stem below them. On rocks and dry 

 hills. 



LYCOPODIUM OBSCURUM. L. Radiated Club Moss. 



Erect ; branches spreading ; leaves in six unequal 

 rows ; spikes one or few, solitary, sessile. 



The shoots of this species are erect, ascending at base, cover- 

 ed with small, imbricated, lanceolate leaves. Branches alter- 

 nate, dividing by successive forks, the branchlets diverging like 

 rays from a centre. Leaves in six rows, those of the lateral 

 rows longest. Spikes terminal, solitary, sessile, cylindrical. 

 Like others of the genus, they give out, when ripe, a great 

 quantity of minute seeds, resembling a fine, yellow powder, and 

 very inflammable. Woods. Perennial. 



LYCOPODIUM DENDROIDEUM. MX. Tree Club Moss. 



Erect ; branches erect ; leaves in six equal rows ; 

 spikes numerous, solitary, sessile. 



49 



