72 
THE FIRST BOOK OF BOTANY. 
EXERCISE XVIII. 
Attitude of Stems . 
Erect stems stand upright, Fig. 102. 
Drooping stems are weak, and bend over, Fig. 
103. 
Fig. 102. 
Fig. 103. 
Creeping stems lie along or below the surface of 
the ground, and send down roots from their nodes, 
Fig. 104. 
