AN ENUMERATION OF CULTIVATED PEENS. 



275 



like. Sporangia subglobose, trilobed, vertically trivalved, 

 solitary in the axis of the bract-like leaves. 



Genus 158. Portion of fertile frond, natural size; spore-case 

 enlarged. No. 1 . 



1. P. triquetrum, Sw. ; Schk. Fil. 1. 165 I ; Hook. Gen. Fil. 

 t. 87; Lodd. Cab. t. 1916. Lycopodium nudum, 

 Linn. Tropics and sub-tropical regions of both, 

 hemispheres. 



159. LYCOPODIUM, Linn. 



Stems rigid, erect or slender, flagelliform, pendulous or 

 creeping; leaves acerose, subulate or rusciform, distant or 

 imbricate. Sporangia reniform, vertically bivalved, solitary in 

 the axis of the leaves, or in terminal, rarely lateral, contracted, 

 ament-like spikes. Spores numerous, small, uniform (Antheri- 

 dangia only ?). 



T2 



