OF BRITISH PLANTS. 435 



SERIES II. CELLULAR PLANTS. 



Composed of cellular tissue, sometimes with a few ducts. 

 No flowers with stamens and pistils. 



Class III. ACOTYLEDONEJE. 



Divided into several natural orders, of which the following have 

 been included in this work. 



Order XCVII. FILICES. 



Leafy plants, with a trunk or rhizoma. Leaves, generally named 

 fronds, bearing on their under side or at the edges the fructifica- 

 tion, consisting of thecae, containing sporules. 



POLYPODIES. ADIANTE^E. 



1. Polypodium, 386, 387. 8. Blechnum, 386, 391. 



2. Woodsia, 386, 387. 9. Pteris, 386, 392. 



ASPIDIE^;. 10. Adiantum, 386, 392. 



3. Aspidium, 386, 388. HYMENOPHYLLB^S. 



4. Cystea, 386, 389. 11. Hymenophyllum, 386, 393. 



ASPLENIEJE. 12. Trichomanes, 386, 392. 



5. Asplenium, 386, 390. OSMFNDE^;. 



6. Scolopendrium, 386, 391. 13. Osmunda, 386, 393. 



GRAMMITIDEJE. 14. Botrychium, 386, 393. 



7. Grammitis, 385, 386. OPHIOGLOSSEJE. 



15. Ophioglossum, 386, 394. 



Order XCVIII. LYCOPODINE^. 



Leafy plants, with numerous small undivided leaves, and axillar 

 or spiked thecae or capsules, containing sporules. 



1. Lycopodium, 386, 394. 



Order XCIX. EQUISETACE./E. 



Leafless, branched plants, with an articulated, striated, fistular 

 stem, and a terminal spike, consisting of angular or peltate scales, 

 bearing thecae or capsules, containing sporules surrounded by elas- 

 tic clavate filaments, by some called stamens. 



1. Equisetum, 386, 395. 



