Flowers and Their Friends

How flowers and insects came to need each other, explained to children by a teacher who refused to talk down — “it would be very stupid indeed to try to read a book written in Arabic,” she begins, so look up every word you don't know.

Home › Skin Cells › Skin Cells: Sometimes

Skin Cells: Sometimes

On the side of a regular skin cell the protoplasm builds a small cell; this grows long and divides and makes two; these may again divide, and so on until the plant has as long a hair as it needs. Sometimes the hair is made of but one long cell.

Hairs, as we know, protect the plant from too great evaporation and from changes of tempera- ビタ ture; they also keep the dew and rain from settling in the stomata and filling them up so they cannot do their work.

from animals. When the animals bite
from animals. When the animals bite

Here is a picture of four stomata, growing about a hollow filled with hairs.

These hairs prevent the outside water from running in and wetting the stomata.

end breaks off, and the poisonous juice gets into
end breaks off, and the poisonous juice gets into

Read next

← Skin CellsSkin Cells: Prickles →