Free and Discounted Ebooks
Join 130,000 readers! Get our ebook deals straight to your inbox.

Insectivorous Plants

Cover image for

Download


Author: Charles Darwin
Published: 1875
Language: English
Wordcount: 155,740 / 468 pg
Flesch-Kincaid Reading Ease: 60.6
LoC Category: QH
Downloads: 2,048
mnybks.net#: 2031
Origin: gutenberg.org
Genre: Science
Excerpt

ner than other insects. The largest kind which I have seen caught was a small butterfly (Caenonympha pamphilus); but the Rev. H.M. Wilkinson informs me that he found a large living dragon-fly with its body firmly held by two leaves. As this plant is extremely common in some districts, the number of insects thus annually slaughtered must be prodigious. Many plants cause the death of insects, for instance the sticky buds of the horse-chestnut (Aesculus hippocastanum), without thereby receiving, as far as we can perceive, any advantage; but it was soon evident that Drosera was [page 3] excellently adapted for the special purpose of catching insects, so that the subject seemed well worthy of investigation.

The results have proved highly remarkable; the more important ones being--firstly, the extraordinary

FIG. 1.* (Drosera rotundifolia.) Leaf viewed from above; enlarged four times.

sensitiveness of the glands to slight pressure and to minute doses of certain nitrogenous fluids, as shown by the movements

SUBSCRIBE TO MANYBOOKS 

FREE EBOOKS 

Join 120,000+ 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

Lisa Mondello
New York Times and USA TODAY Bestselling Author, Lisa Mondello, is back with another excellent book in her Dakota Hearts series. This collection of popular romance novels was inspired by an F3 tornado that came through her town and, as our author of the day, Mondell0 tells us more about it. She also gives us more insights in the characters of Her Dakota Man, her emotions during the writing process and talks about happily ever afters.
Read full interview...