SEEDS. 
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by finding out whether they have single or double 
seed-leaves. 
8. In the class of plants with a single seed-leaf 
we have all the corn and pasture grasses^ the 
sugar-cane, bamboo, palms, lilies, orchids, and 
!^oung Corn Plants. 1, 2, 3, Showing the growth ; 4, the plant cut through downwards. 
many other common plants. Their flower-leaves 
grow in threes, their roots are fibrous, and, in 
almost all cases, their leaf- veins lie side by side 
and are not netted. 
9. In the class with a double seed-leaf we have 
nearly all the plants that bear net-veined leaves. 
These have a tap-root, and stems with a pith in 
