34 
MANUAIy OF NATURE STUDY. 
grade work. Leaf movements can be studied with 
considerable interest. Have the children 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 
Compositae, and, on that account, the teaching of 
the parts of a flower would be very difficult 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 
