6 THE GROWTH AND PARTS OF PLANTS 
The buckwheat seedling. ‘his also comes up with a 
loop, and we begin to see that this way of coming up 
is very common among seedlings. The 
seed coat of the buckwheat is often lifted 
above ground on one end of the loop. 
It is split nearly across. ech the 
split in the seed we can see that ¢ 
there are leaves 
ide =. packed inside - very 
esa differentl y from 
tings, emIM the “way in which 
eee the cotyledons of 
the marrow and sunflower (¢ 
lie. The buckwheat cotyle- i 
dons are twisted or rolled 6° ~-""==~* 
round each other. <As the Fi. 11. Cotyledons of buckwheat seed- 
7 lings untwisting and casting seed coats. 
seedling straightens up they 
untwist, and in doing this help to throw off the coat. 












