Botanical Sketchbooks, a new book by Helen and William Bynum, collects some of the best drawings of the world's flora dating back to the 15th century.

BOTANY
Researchers say field mustard plants can identify their attackers and select offensive gases accordingly.
A new book traces how people have depicted flora from ancient times through the modern era.
The quest for orchids once involved fierce rivalries, huge sums of money, and several grisly deaths.
This dried-out daisy may not look like much, but it’s a testament to one of history’s most ambitious voyages.
The cheerful zinnia blooms are part of a gardening experiment aboard the International Space Station.
When threatened, the roots of Mimosa pudica plants deploy fart-like stink bombs.
You may have heard the saying “don’t s**t where you eat,” but fall armyworms certainly haven’t.
Looking like crap isn’t always a bad thing.