Ch. XII] 



THE CLUB MOSSES 



503 



Class 3. Lycopodine.^e : the Lycopods, or Club 

 Mosses 



These are most familiar in the Ground Pine and its relatives, 

 which are trailing plants resembling coarse Mosses, frequent 

 in our own woods, and in the Selaginellas, which are orna- 

 mental fern-like plants much grown in conservatories. They 

 are nearly all perennial trailing evergreens with small leaves, 

 and commonly possess terminal erect clusters of sporophylls 

 which often are club-shaped, originating the name. They 

 number some 700 species, of which few have any economic 

 importance. Though now all creeping forms, the group 

 formerly included great trees. They comprise two orders, — 



Order 1. Lycopodiales : the Club Mosses proper. 

 Order 2. Selaginellales : the Selaginellas. 



Order 1. Lycopodiales: the Club Mosses proper. 

 Typical forms of this order are well shown in our Figure 

 356. They are mostly terrestrial creepers, but some are 



Fig. 356. — Species of Lycopodium. 



1. L. lucidulum; 2. L. complanatum ; 3. L. obscurum; 4. L clavalum, 

 (Jacking strobili) ; all about J. (After Knobel, from Bailey.) 



