SEPTEMBER 



19 



PETAL OF COhCLLA 



fact that the flower exists solely for the purpose of form- 

 ing seed. 



Great care must be taken not to let these lessons de- 

 generate into mere object lessons. 



As often as possi- 

 ble have the plants 

 growing and cared 

 for in the school- 

 room, and follow 

 their life history to 

 the production of 

 fruit and seed, and 

 the germination of 

 the same in the 

 spring. 



In all grades study the fern ; the curious development 

 of the leaves, if possible, and certainly the formation of 

 its fruit, without the intervention of flowers. Teach the 

 children to watch for plants which do not flower, and for 

 those which do. They will thus learn the necessity for 

 careful, long-continued observation, since they will cer- 

 tainly make many mistakes at first. 



Jamestown Weed (Datura Stramonium, D. Tatula). 

 Thorn apple, Jimson Weed. 



Facts : 



This half wild plant is found on the borders of culti- 

 vated fields and in rubbish heaps. It is not a native of 

 this country, but of Asia and tropical America. Because 

 it was unkno^\Ti here until the advent of the white people, 

 it received the name of Jamestown, or. Jimson Weed. 

 Curiously enough, it has something of the same history 



