34 MANUAi, OF NATURS STUiJV. 



grade work. Leaf movements can be studied with 

 considerable interest. Have the cMldren observe 

 the leaves of the locust in day time, and again at 

 night when the leaves are asleep, and report 

 change. Observe also oxalis, clover and acacia in 

 same way. Observe that the leaves of these plants 

 wake up at sunrise ready for their day's labor. 

 For a discussion of plant movements see Chapter 

 VI of Caroline A. Greevey's Recreations in Bot- 

 any, published by Harper & Brothers. Also her 

 chapter on leaves is well worth reading. 



McBride's Lessons in Botany, by Allyn, Bacon 

 & Co., and Elements of Botany, by Bergen, Ginn 

 & Co., will be found very helpful to the teacher. 



2. Lessons on Flowers. — a. Study calyx, sepals, 

 corolla, petals, stamens, pistils, b. Draw and de- 

 scribe each. It will be better to postpone this part 

 of the work until the Spring flowers are in bloom, 

 as so many of the Autumn flowers belong to the 

 Compositse, and, on that account, the teaching of 

 the parts of a flower would be very difl&cult and 

 confusing. Take, for example, a number of Spring 

 Beauties, equal to the number of children in the 

 room. Tell the pupils that the first, or outer cov- 

 ering, is called the calyx. Ask the children its 

 color, so as to be sure they have the right coat in 

 mind. Then inquire about the number of parts in 



