MOSSES. 81 
which grows upright in little tufts at the edge of 
streamlets, or in marshy hollows among the hills 
where it is almost wholly concealed by the 
surrounding bog-mosses. In this country the 
lycopods are all alpine or sub-alpine ; one species 
(Fig. 5) ascending to the highest summits of the 
British mountains, where it grows in large rigid 
tufts amid the débris of rocks, and another 
Fic. 4. Fic. 5. Fic. 6. 
LycopopIuM LycoropIum Lycoropium 
CLAVATUM. SELAGO. ALPINUM. 
(Fig. 6) trailing in long wreaths over the bare 
mossy shoulders of the Highland hills, sending 
up at short intervals from the bare, whitish, 
procumbent stems, palm-shaped tufts of very 
hard foliage, very like that of the  savine. 
The loveliest of the British species is the ZL. selag- 
inoides, which looks like a moss as it creeps among 
mosses on sub-alpine banks. It is a slender and 
delicate species ; its fructifying spike being of a 
F 
