Revision of Fossil Sequoia and Taxodium in Western North America Based on the Recent Discovery of Metasequoia
The recently discovered redwood of China, AiMetasequoia glyptostroboidesAi Hu a Cheng, shows close relationship to two North American trees, the coast redwood, AiSequoia sempervirensAi Endlicher of the western U.S., a the swamp cypress, AiTaxodium distichumAi Richard of the Southeastern U.S. Foliage a cones of these living trees provide characters by which the three genera may be readily distinguished. But for nearly a century there has been confusion in the recognition of fossil specimens. The author is now able to distinguish the fossil foliage a cones of all three genera, a to assign to Metasequoia many specimens which have previously been identified as Sequoia a Taxodium. Illustrations.This is perhaps the last instance, at least in a systematic discussion, of confusing the remains of Meta- sequoia with those of ... The family definition of the Tax- odiaceae in a much used manual (Jepson 1925 : 54) begins with this sentenceanbsp;...
| Title | : | Revision of Fossil Sequoia and Taxodium in Western North America Based on the Recent Discovery of Metasequoia |
| Author | : | Ralph W. Chaney |
| Publisher | : | American Philosophical Society - 2008-01-01 |
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