10 ENGLISH BOTANY. 



modified leaves or bracts arranged in terminal spikes. Macrosporangia 

 often solitary in the axils of the lowest bracts of the spike, but some- 

 times intermingled with the microsporangia, 3- or 4-lobed, and 3- or 

 4-valved, containing 3 or 4 (rarely 1 to 6), comparatively large 

 roundish angulated macrospores. Microsporangia numerous, ovoid 

 or subglobular, containing very numerous microspores. Prothallium 

 developed on the apex of the macrospores, and fertilised by the 

 antherozoids escaping from the cells of the microspores as in 

 Isoetaceas. 



GENUS Z-SELAGINELLA. Spring. 



The only genus ; characters the same as those of the Order. 



Name a diminutive of Selago, i.e. of Lycopodium Selago. 



SPECIES L—SELAGI NELL A SE L AG I NOI DE S. Gray. 



Plate 1829. 



Rabenh. Crypt. Vase. Europ. No. 63. Hook. Stud. Flor. p. 471. 



S. spinulosa, A. Braun in Boll. Rhein Flor. p. 38. Bab. Man. Brit. Bot. ed. vii. p. 458. 



Milde, Filic. Europ. p. 260. Koch, Syn. Fl. Germ, et Helv. ed. ii. p. 971. Fries, 



Snmm. Veg. Scand. p. 83. Gren. & Godr. Fl. de Fr. Vol. III. p. 656. Wilkomm & 



Lange, Prod. Fl. Hisp. Vol. I. p. 14. 

 Lycopodium selaginoides, Linn. Spec. Plant, ed. iii. Vol. II. p. 1565. Smith, Eng. Bot. 



ed. i. No. 1148, and Eng. Flor. Vol. IV. p. 332. Newman, Brit. Ferns, ed. ii. 



p. 371. 



Stem slender, shortly creeping, sparingly branched, with the 

 branches decumbent, ascending at the apex. Leaves all similar, 

 pointing in all directions, spreading or ascending, strap-shaped 

 lanceolate, very acute, remotely spinous - ciliate on the margins. 

 Spikes erect, cylindrical or clavate, solitary at the extremities of erect 

 branches thicker than the barren ones. Bracts spreading all round, 

 triangular-lanceolate, much larger than the leaves on the barren 

 shoots, and drawn out into a more acute point so as to be cuspidate, 

 strongly spinous-ciliate, passing without any break into the leaves of 

 the fertile branch. Macrosporangia 3- or 4-lobed, and 3- or 4-valved. 

 Macrospores with a few scattered papillae. 



In boggy ground, especially by the sides of small streams and 

 ditches and on wet rocks ; frequent in mountainous districts, also, in 

 the north, on sandy ground near the sea. From Carnarvon, Flint, 



