126 PEENS OP GREAT BRITAIN. 



Langue de serpent ; the Germans term it Natterzunglein ; 

 and it is also the Adderstong of the Dutch ; the Lingua 

 serpentina of the Italians; and the Laketunga of the 

 Swedes. 



2. 0. lusitdnicum (Lesser Adder's-tongue). — Barren 

 frond linear, or linear-lanceolate ; fertile frond club- 

 shaped. This is a little plant very much resembhng 

 the Common Adder's-tongue in miniature, having the 

 spike produced from among its bright green tiny leaves 

 in the same manner, but not exceeding altogether two 

 or three inches in height. It has long been known to 

 botanists as a native of Southern Europe, but it was only 

 discovered recently to be wild in Guernsey. Mr. George 

 Wolsey found it among the short herbage of some rocks 

 not far from. Petit Bot Bay, on the south coast of the 

 island. It has since been found in Guernsey growing 

 wild in meadows, its fronds being in perfection in the 

 latter part of January. 



Order II.— LYCOPODIACE^. CLUB-MOSSES. 



1. Ltcopodium (Club-moss). 



1. L. clavdtum (Common Club-moss, Stag's-horn- 

 moss. Fox-tail, Wolf's-claw). — Leaves scattered, linear, 

 curved inwards, hair pointed; spikes stalked, two or 

 three together ; scales egg-shaped, somewhat triangular, 

 serrated. This Club-moss is the commonest of all the 



