394 CRYPTOGAMIA LYCOPODINE^. QcL. XXIV. 



sheathed at the base, bearing a leaf about the middle, and terminating in 

 a twice compound spike. Perennial : bears fruit in July and August : 

 grows in dry pastures among short grass: frequent. Eng. Bet. vol. v. 

 pi. 318: Osmunda Lunaria. Eng. Ft. vol. iv. p. 328. 1500. 



15. OPHIOGLO'SSUM. ADDER'S-TONGUE. 



Capsules roundish, one-celled, two-valved, connate, in two op- 

 posite rows, upon a simple, linear, somewhat compressed spike. 

 Cover none. Seeds numerous, minute. Name from ophis, a 

 snake, and glossa, the tongue. 474. 



1. 0. vulgdtum. Common Adder' s-tangue. Leaf egg-shaped, about as 

 long as the spike. Stem slender, about eight inches high, bearing a 

 simple leaf, and terminating in a slender spike, which would have some 

 resemblance to the tongue of a snake, were the latter not forked. Peren- 

 nial : bears fruit in June and July: grows in moist pastures and in 

 woods : frequent. Eng. Bot. vol. ii. pi. 108. Eng. Fi. vol. iv. p. 330. 



1501. 



Order II. LYCOPODl'NEJE. Capsules axillar or spiked, with 

 from one to three cells, and from two to three -calves. Seeds 

 numerous, very minute. 



1. LYCOPO'DIUM. CLUB-MOSS. 



Capsules axillar, solitary, sessile, roundish, one-celled, two- 

 valved. Seeds numerous, chaffy, very minute. Name from li/cos, 

 a wolf, and pous, a foot. 475. 



1. L. clavdtum. Common Club-moss. Stem creeping, branched; 

 branches ascending ; leaves scattered, incurved, hair-pointed : spikes in 



pairs, cylindrical, stalked, with egg-shaped, membranous leaves. Stems 



several feet long : leaves crowded, narrow, and lance-shaped. The 

 seeds explode when kindled, and are said to be used for artificial light- 

 ning on the stage. Perennial : bears fruit in July and August : grows 

 on heaths : common. Eng. Bot. vol. iv. pi. 224. Eng. Ft. vol. iv. p. 

 331. 1502. 



2. L. inunddtum. Marsh Club-moss. Stem creeping, slightly branched ; 

 leaves scattered, narrow lance-shaped, pointless, entire ; spikes solitary. 



Stems three or four inches long. Perennial : bears fruit in June 



and July: grows in wet heathy places : rare. Eng. Bot. vol. iv. pi. 239. 

 Eng. Fl. vol. iv. p. 332. 1503. 



3. L. selaginoides. Prickly Club-moss. Stems creeping ; branches 

 ascending, simple ; leaves scattered, lance-shaped, fringed ; spikes ter- 

 minal, solitary, with broader leaves. Stems short, the branches 



rising to the height of from two to four inches. Perennial : bears fruit 

 in August: grows in watery places, in mountainous situations : frequent. 

 Eng. Bot. vol. xvi.pl. 1148. Eng. Ft. vol. ir. p. 332. 1504. 



4. L. Seldgo. Fir Club-moss. Stems erect, forked, the branches level 

 at the top ; leaves in eight rows, uniform, narrow lance-shaped, acute, 



entire. Stem from three to six inches high, forked from the base, 



.four times. Perennial : bears fruit in July and August : grows near 



