Free and Discounted Ebooks
Join 150,000 readers! Get our ebook deals straight to your inbox.

The Elements of Botany

For Beginners and For Schools

Cover image for

Download


Author: Asa Gray
Published: 1887
Language: English
Wordcount: 84,279 / 292 pg
Flesch-Kincaid Reading Ease: 74.1
LoC Category: QK
Downloads: 1,376
Added to site: 2010.09.19
mnybks.net#: 29039
Origin: gutenberg.org
Genre: Science
Excerpt

d the embryo: this may for the present be left out of the account. This embryo consists of a pair of leaves, pressed together face to face, and attached to an extremely short stem. (Fig. 2-4.) In this rudimentary condition the real nature of the parts is not at once apparent; but when the seed grows they promptly reveal their character,--as the accompanying figures (Fig. 5-7) show.

[Illustration: Fig. 1. Pod of Flax. 2. Section lengthwise, showing two of the seeds; one whole, the other cut half away, bringing contained embryo into view. 3. Similar section of a flax-seed more magnified and divided flatwise; turned round, so that the stem-end (caulicle) of the embryo is below: the whole broad upper part is the inner face of one of the cotyledons; the minute nick at its base is the plumule. 4. Similar section through a seed turned edgewise, showing the thickness of the cotyledons, and the minute plumule between them, i. e. the minute bud on the upper end of the caulicle.]

10. Before the nature of t

SUBSCRIBE TO MANYBOOKS 

FREE EBOOKS 

Join 150,000+ fellow readers! Get Free eBooks and book bargains from ManyBooks in your inbox. 

We respect your email privacy

(advanced)
login | register

User ID

Password

reset password

Author of the Day

N. S. Wikarski
Despite earning a Ph.D. from the University of Chicago, Amazon bestselling author, Nancy Wikarski, discovered that her real passion lies with historical mystery and adventure fiction writing. Her Arkana Series in particular has enthralled fans with its treasure hunting and secret societies. As our author of the day, we chat with Nancy about how she came up with the compelling ideas for her stories, the challenge of writing about a villain with values she cannot relate to at all and how she shares a secret skill with the main character of her series.
Read full interview...