138 THE BEAUTIES OF NATUKE CIIAP. 



Some seeds are carried by animals ; either 

 as food such as most edible fruits and seeds, 

 acorns, nuts, apples, strawberries, raspberries, 

 blackberries, plums, grasses, etc. or invol- 

 untarily, the seeds having hooked hairs or 

 processes, such as burrs, cleavers, etc. 



Some seeds are scattered by the plants 

 themselves, as, for instance, those of many 

 Geraniums, Violets, Balsams, Shamrocks, etc. 

 Our little Herb Robert throws its seeds some 

 25 feet. 



Some seeds force themselves into the 

 ground, as those of certain grasses, Cranes'- 

 bills (Erodiums), etc. 



Some are buried by the parent plants, 

 as those of certain clovers, vetches, violets, 

 etc. 



Some attach themselves to the soil, as 

 those of the Flax ; or to trees, as in the case 

 of the Mistletoe. 



LEAVES 



Again, as regards the leaves there can, I 

 think, be no doubt that similar considerations 



