132 



PROSERPINA. 



into the form C ; and then, pulling up the corners c d, 

 stitch them together with a loose thread so that the points 

 c and d shall be within half an inch of each other; and 



FIG. 13. 



you will have a kind of triangular scoop, or shovel, with a 

 stem, by which you can sufficiently hold it, D. 



7. And from this easily constructed and tenable model, 

 you may learn at once these following main facts about 

 all leaves. 



