XXIV. ONION 



Material. Onions cut in two lengthwise. If the halves are dried for 

 a week, their layers may be more plainly traced. 



Observation. How thick are the outer wrappings 

 of the onion? What is their color? How many 

 roots has the onion ? What is the shape of the roots ? 

 Do you see any green leaves on the outside of the 

 onion ? 



How many layers do you see on the cut side of 

 the onion ? How thick is one of the layers ? To 

 what are the layers fastened ? What is their color ? 

 Where are the leaves inside of the onion? Where 

 is the stem to which they are fastened ? What is 

 the shape of the stem ? Of what is the greater part 

 of the onion composed; stem, leaves, or roots ? 



Drawing and Composition. Draw a picture and 

 write a description, first, of the outside of an onion, 

 and second, of the inside of an onion that has been 

 cut in two lengthwise. 



SUPPLEMENTARY WORK 



Seed Onions. An onion plant blossoms and bears seed. If 

 a seed is planted in the spring, a new onion forms during the 

 summer. In the fall its leaves die, but the onion itself consists 

 of new leaves and a flower stalk, wrapped into a ball called 



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