The Essentials of Botany
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In our eReader you can find the full English version of the book. Read The Essentials of Botany Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book The Essentials of Botany
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As we go back in geological time the vegetation is less and less like that of to-day. Thus, the higher flowering plants (Dicotyledons) were not in ex- istence earlier than the Cretaceous period, while the Lilies and their relatives date back to the Triassic. The great Carboniferous vegetation, from which our coal was derived, contained no plants with true flowers. There were no grasses or sedges, no lilies or orchids, no roses or violets, no CLASSIFICATION AND DISTRIBUTION.
103 r§ Recent.
■■g P...liocene.
Miocene.
Eocene.
-a a 8 eg Creta- ceous.
Jurassic.
Triassic.
c5 1 o "3 Ah o r a Pli Permian.
Carbon- iferous.
Devonian.
( Gymnosperms.
• Monocotyledons.
Dicotyledons.
Silurian.
Protophyta.
Zygophyta.
OSphyta.
Carpophyta.
Bryophyta.
Pteridophyta.
Phanerogamia.
Fio. 43.— Chart sbowing distribution of plants in Qeological Time.
104 BOTANY.
oaks or maples. There were cone-bearing trees and tree- ferns, as well as gigantic club-mosses and horsetails; but even these were very different from any now living, 212.
What to read after The Essentials of Botany?
You can find similar books in the "Read Also" column, or choose other free books by Charles E Charles Edwin Bessey to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
As we go back in geological time the vegetation is less and less like that of to-day. Thus, the higher flowering plants (Dicotyledons) were not in ex- istence earlier than the Cretaceous period, while the Lilies and their relatives date back to the Triassic. The great Carboniferous vegetation, from which our coal was derived, contained no plants with true flowers. There were no grasses or sedges, no lilies or orchids, no roses or violets, no CLASSIFICATION AND DISTRIBUTION.
103 r§ Recent.
■■g P...liocene.
Miocene.
Eocene.
-a a 8 eg Creta- ceous.
Jurassic.
Triassic.
c5 1 o "3 Ah o r a Pli Permian.
Carbon- iferous.
Devonian.
( Gymnosperms.
• Monocotyledons.
Dicotyledons.
Silurian.
Protophyta.
Zygophyta.
OSphyta.
Carpophyta.
Bryophyta.
Pteridophyta.
Phanerogamia.
Fio. 43.— Chart sbowing distribution of plants in Qeological Time.
104 BOTANY.
oaks or maples. There were cone-bearing trees and tree- ferns, as well as gigantic club-mosses and horsetails; but even these were very different from any now living, 212.
What to read after The Essentials of Botany?
You can find similar books in the "Read Also" column, or choose other free books by Charles E Charles Edwin Bessey to read onlineMoreLess
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