376 



FOUNDATIONS OF BOTANY 



bulblets. When mature the bulblets fall off readily, and if 

 they find lodgment on unoccupied soil, they grow readily 

 into new plants. Sometimes they are carried moderate 

 distances by wind or water, and if the ground slopes, they 

 may easily roll far enough to get started in new places. 



FIG. 265. Fruit of Smoke-Tree (Rhus Cotinus). 



Only one pedicel bears a fruit, all the others are sterile, branched , and covered 

 with plumy hairs. 



445. Dispersal of Seeds. Seeds are not infrequently 

 scattered by apparatus by which the plant throws them 

 about. More commonly, however, they depend upon 

 other agencies, such as wind, water, or animals, to carry 

 them. Sometimes the transportation of seeds is due to 



