EXPLANATION OF THE PLATES. 



PLATE 1. 



ROOTS. 



Fig. 1. A FIBROUS ROOT. Ex. Grass, p. 7. 



2. CREEPING. Ex. Mint. 



3. FUSIFORM or SPINDLE-SHAPED. Ex. Radish. 



4. ABRUPT. 



Tuberous Roots. 



5. TUBEROUS. Ex. Potatoe. 



6. Twin tuberous root. Ex. Orchis. 



7. Palmate tuberous root. 



8. Fasciculate tuberous root. 



Bulbous Hoots.]). 8. 



9. Solid bulbous root. Ex. Tulip. 



10. Coated bulbous root. Ex. Onion. 



11. Scaly bulbous root. Ex. Lily. 



12. GRANULATED, p. 9. 



13. JOINTED. 



