from The Century Dictionary and Cyclopedia
- n. A genus of fossil plants of the family Calamariaceæ, having slender, branching, usually striate stems bearing whorls of lanceolate or spatulate leaves with a median nerve, which are fused at their bases into a sheath or annulus. The fruit is a heterosporons spike or strobile.
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Besides some of doubtful affinity, (annularia, asterophyllites, &c.,) there were a few of the pine family, which seem to have been the highest class of trees of this era, and are only as yet found in isolated cases, and in sandstone beds.
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