SPECIES AN© VARIETIES OF BRITISH PERNS. 65 
Ophioglossace.se. 
Germs 18. BOTRYCHIUM, Linnaeus* 
L B. Lunaria, Linnceus.— The only British species. Plate 
XVIII. fig. 2. 
Genus 19. OPHIOGLOSSUM, Linnceus . 
. * * r f 
1. 0. vulgatum, Linnceus. —Fronds ovate. Plate XVIII. 
fig. 3. 
2. 0. lusitanicum, Linnceus. —Fronds very small, linear- 
lanceolate, obtuse, fleshy. Plate XXII. fig. 3. 
II. CLUB-MOSSES, or LYCOPODIACEIE. 
Germs 20. LYCOPODIUM, Linnceus .. 
1. L. Selago, Linnceus .—Leaves in eight rows, imbricated 
on the usually erect stems ; fructifications in the axils 
of leaves, not spiked. Plate XX. fig. 5. 
2. L. annotinum, Linnceus . — Leaves indistinctly five* 
rowed, linear-lanceolate, patent; spikes solitary, ses¬ 
sile. 
3. L. clavatum, Linnceus. .■—Leaves scattered, incurved, 
hair-pointed; spikes two or more on a stalk. Plate 
X X. fig. a . 
F 
