ROOT HAIRS 
251 
Figure 240. — Fascicled Roots of Dahlia. 
Used for the storage of food. 
Fibrous roots —a great 
many threadlike roots 
which extend in all direc¬ 
tions through the soil. 
Thickened fibrous roots 
— a modification of 
fibrous. 
Fascicled roots — a 
cluster of thickened roots 
for the storage of food. 
MODIFIED ROOTS 
Aerial roots for attach¬ 
ment. Ivy. Note how 
they grow from side of 
stem. 
Aerial roots for ab- Figure 239. — Fibrous Roots of the 
sorbing water. Certain Buttercup (slightly thickened). 
orchids, tropical plants which grow in the air. 
Water roots lacking root cap. Duckweed. 
