CRYPTOGAMIA— FILICES. Lycopodium. 331 



trailing, densely leafy. Leaves small and narrow, in 

 several rows, sessile, simple, undivided, either entire or 

 serrated, of a dry and rigid substance, evergreen; those 

 which are accompanied by capsules diminished, in some 

 species, to the scales of a spike^ with elongated points. 

 Caps, pale yellow, small, naked. Seeds often highly in- 

 flammable, like powdered sulphur. 



1. L. davatinn. Common Club-moss. 



Stem creeping. Branches ascending; partially almost 



naked. Leaves scattered, incurved, with iilamentous 



points. Spikes, two or three, cylindrical, stalked, with 



dilated, membranous scales. 

 L. clavatum. Unn. Sp. PL 1564. Willd. v. 5. 16. FL Br. 1 108. 



Engl. Dot. V. 4. t. 224. Hook. Scot. p. 2. 1.59. FL Dan. t. 126. 



Dicks. H. Sicc.fasc. /. 18. Ehrh. Crypt. 1 12. 

 L. n. 1722. HalLHid.v.3. 22. 

 Lycopodium. RaiiSi/n.\07. 

 L. vulgare pilosum amfragosum et repens. DHL Muse. 44 1 . t. 58. 



/. 1. 

 Muscus terrestris. Trag. Hist. 555./. Matth. I algr. v. 1. 57. f. 



Comer. Epit. 32. f. Dalech. Hist. \S2A.f. 



M. terrestris repens, pediculis foliaceis binis clavis in altum se eri- 

 gentibus. Pluk.Almag.2bS. P/iijL t.47 .f.8. Moris, v. 3. 623. 

 sect. 15. t. 5.f.2. 



M. terrestris repens, a Trago pictus. Bank. Hist. v. 3. 75S.f. 



M. clavatus, sive Lvcopodium. Ger. Em. 1562./. Moris, v. 3. 

 623.7Z. 1. 



M. clavatus. Loh. lc.v.2.2AA.f. 



Chameiepcuce. Cord. Hist. 111. 2./. 



i'cs ursinus. Gcsn. de Lunariis. 64. 



On mountainous heaths, or stony moors, abundantly. 



Perennial. Julij, August. 



Roots of several strong scattered fibres. Stems procumbent, trail- 

 ing, branching, leafy, several feet in length. Laircs crowded, 

 curved upwards, linear-lanceolate, tlat, ribless, smooth, deep 

 green, partly serrated, tipped with a capillary |)oint; those of 

 the branches erect j the u])per ones loosely disj)frsed. Spikes 

 terminal, usually in pairs, rarely one, or three, densely beset 

 with shortened, dilated, ovate, entire, long-))ointed Itavts, or 

 scales, in whose bosoms the small, sulphur-coloured capsules 

 are situated. I never heard of more than the usual kind, whose 

 minute, copious, volatile irrJi- are used in (Jermany for artifi- 

 cial ligljtnijig on the stage, and are sold in tlie shops. When 

 dispersed in tlie air, they take fire with a candle, and suddenly 

 exj)lode. 



