Chapter X

=EQUISETALES (_continued_).= Pp. 295–388.

D. CALAMITES 295–383

I. =Historical sketch= 295–302

II. =Description of the anatomy of Calamites= 302–364
_a._ _Stems_ 304–329
_Arthropitys_, _Arthrodendron_, and
_Calamodendron_.
_b._ _Leaves_ 329–342
α. _Calamocladus_ (_Asterophyllites_) 332–336.
_C. equisetiformis_ 335–336.
β. _Annularia_ 336–342. _A. stellata_ 338–340.
_A. sphenophylloides_ 341–342.
_c._ _Roots_ 342–349
_d._ _Cones_ 349–365
_Calamostachys Binneyana_ 351–355. _C. Casheana_
355–357. _Palaeostachya vera_ 358–360.
_Calamostachys_, _Palaeostachya_ and
_Macrostachya_ 361–364.

III. =Pith-casts of Calamites= 365–380
_Calamitina_ 367–374. _Calamites_ (_Calamitina_)
_Göpperti_ 372–374. _Stylocalamites_ 374–376. _C._
(_Stylocalamites_) _Suckowi_ 374–376. _Eucalamites_
376–379. _C._ (_Eucalamites_) _cruciatus_ 378–379.

IV. =Conclusion= 381–383

E. ARCHAEOCALAMITES 383–388
_A. scrobiculatus_ 386–387.