Note 82 — Chapter VIII
Reading edition
Nematophyton, etc. See "Geological History of Plants."
[83] Psilophyton, Protannularia, etc.
[84] Rhizocarpeæ.
Reading edition
Nematophyton, etc. See "Geological History of Plants."
[83] Psilophyton, Protannularia, etc.
[84] Rhizocarpeæ.