156 NATURE TEACHING. 



Flowers recommended for examination. 

 Hibiscus. Pea & Bean. Barbados Pride. 



Mango. Periwinkle. Convolvulus. 



Pa paw. Pumpkin. Stephanotis. 



FJamboyante. Squash, Croton. 



Cleome. Egg-plant. Lily. 



Note carefully those plants which have 

 stamens and pistil in the same flower, and 

 those which have them in separate flowers. 

 Kxamine the Hovvers for honey, and make a 

 list of all the flowers found which contain 

 honey. 



'2. Under cultivation the stamens of many 

 plants have lost their original character 

 and have become converted into petal-like 

 structures, thus giving rise to what are known 

 as 4 double flowers! Many of these flowers 

 form no seeds, owing to the fact that they have 

 lost the pollen-bearing stamens, which, as we 

 have already learnt, are necessary for the pro- 

 duction of seed. Many varieties of roses, 

 hibiscus, geranium, tube-roses, and balsam 

 furnish good examples for examination. 



3. The flowers of grasses and cereals, have 

 no sepals and petals in the ordinary sense of 

 the words. They have a number of scaly 

 structures instead, but their stamens and pis 

 tils are, as a rule, easy to find. Examine some 



