ROOT. 



15 



leaves, as they fall off, leave scars, as seen in the cut. As 

 this root grows at one end, it gradually dies at the other. 



Fig. 7.— Corm. 



Fig. 8.— Tdnicated. 



Fig. 9.— Squamous. 



Iris, calamus, day-lily, and ginger are examples of the rhi- 

 zoma. There are many other subdivisions, but I have 

 mentioned enough to enable you to classify pretty accu- 



FiG. 10. 



rately the most important varieties. You have now learned 

 the uses of the root, its places of growth, duration, and 

 form. 



27. You will now repeat what I have told you : That 

 there are — 1. Ground roots ; 2. Air roots ; 3. Water roots ; 

 4. Fixed roots; 5. Floating roots; 6. Koots for support and 

 nourishment ; 7. Koots merely for support ; 8. Roots simply 

 for nourishment ; 9. Roots fixed upon and nourished by 

 other plants; 10. Annual; 11. Biennial; 12. Perennial. 



27. Please recapitulate the several divisions of roots. 



