102 NATURE STUDY AND AGRICULTURE 



SEVENTH GRADE 



Fall. Garden: Continue the study of the cabbage 

 family, noting the parts used for food in each kind; the 

 methods of storing for winter use; special characteristics 

 of the flowers started in the spring, considering the plant 

 families which they represent and individual adaptations 

 of structure; observation and study of the uses of the various 

 medicinal plants and kitchen herbs grown in the garden; 

 select seed corn from home and school garden, noting the 

 desirable points in stalk and ear; the methods of storing 

 seed corn for winter; make grape cuttings and store for 

 winter; the common field weeds, especially cocklebur, 

 butter-print, and mustard; consider as to structure of plant 

 body, floral characteristics, and botanical relationships; 

 students work out the special characteristics which make 

 these successful weeds. 



Insects: The insect enemies of the cabbage family; 

 work out the life history of the cabbage butterfly in the 

 schoolroom; the braconid and chalcis flies as enemies 

 of the cabbage butterfly; aphids found on the garden plants 

 and on trees and shrubs of the campus, the winter eggs of 

 aphids being frequently found in abundance on white pine 

 needles; the lacewing fly, the syrphus fly, and the ladybug 

 as enemies of the aphids. 



Birds: Phoebe, pewee, great-crested flycatcher, least 

 flycatcher, and kingbird as members of the flycatcher fam- 

 ily; their habits and value to man. 



Weather: Daily observation of the weather conditions, 

 at first mainly non-instrumental, and later, when the read- 

 ing of the instruments is learned, with fuller instrumental 



