ILLUSTRATIONS. 



Figure i. SHRUB YELLOW-ROOT .... . . . 35 



Figure 2. SWEET-BAY , .,,.. ... 37 



Figure 3. PAPAW 39 



Figure 4. BARBERRY 41 



Figure 5. HUDSONIA 41 



Figure 6. ST.-PETER'S-WORT . 43 



Figure 7. SHRUBBY ST.-JOHN'S-WORT 43 



Figure 8. PRICKLY ASH 49 



Figure 9. HOP TREE 51 



Figure 10. ILEX 53 



Figure n. WINTERBERRY 53 



Figure 12. INKBERRY . ;;,><. ,,.,. 55 



Figure 13 MOUNTAIN HOLLY 57 



Figure 14. BURNING-BUSH 59 



Figure 15. STRAWBERRY-BUSH . . . . . . 59 



Figure 16. LANCE- LEAVED BUCKTHORN 63 



Figure 17. ALDER-LEAVED BUCKTHORN 63 



Figure 18. NARROW-LEAVED CEANOTHUS .... 65 



Figure 19 NEW JERSEY TEA 65 



Figure 20. MOUNTAIN MAPLE 67 



Figure 21. BLADDER-NUT ....... 69 



Figure 22. SMOOTH SUMACH ....... 71 



Figure 23. DWARF SUMACH . . ... . . . 71 



Figure 24. POISON SUMACH . . . . .... 75 



