OF BRITISH PLANTS. 435 



SEEIES II. CELLULAR PLANTS. 



Composed of cellular tissue, sometimes with a few ducts. 

 No flowers with stamens and pistils. 



Class III. ACOTYLEDONE^E. 



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 fructification, 

 consisting of thecae, containing sporules. 



POLYPODIES. ADIANTE.Z. 



1. Polypodium, 386, 387. 7. Blechnum, 386, 391. 



2. Woodsia, 386, 387. 8. Pteris, 386, 392. 



ASPIDIEJE. 9. Adiantum, 386, 392. 



3. Aspidium, 386, 388. HVMENOPHYLLE*. 



4. Cystea, 386, 389. 10. Hymenophyllum, 386, 393. 



ASPLENIK^E. 11. Trichomanes, 386, 392. 



5. Asplenium, 386, 390. OSMUNDE^E. 



5. Scolopendrium, 386, 391. 12. Osmunda, 386. 393. 



GRAMMITIDE^E. 13. Botrychium, 386, 393. 



6. Grammitis, 385, 386. OPHIOGLOSSE*. 



14. Ophioglossum, 386, 394. 



Order XCVI1I. LYCOPODINE/E. 



Leafy plants, with numerous small undivided leaves, and axillar or 

 spiked thecse 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 

 thecse or capsules, containing sporules surrounded by elastic ^clavate 

 filaments, by some called stamens. 



1. Equisetum, 386, 395. 



