ILLUSTRATIONS. 



Figure i. 



Figure 2. 



Figure 3. 



Figure 4. 



Figure 5. 



Figure 6. 



Figure 7. 



Figure 8.- 



Figure 9.- 



Figure 10 



Figure n 



Figure 12 



Figure 13 



Figure 14 



Figure 15 



Figure 16 



Figure 17 



Figure 18 



Figure 19 



Figure 20 



Figure 21 



Figure 22 



Figure 23 



Figure 24 



-VIRGIN'S-BOWER, 

 -LEATHER-FLOWER, 

 -WHORLED CLEMATIS, 

 -MOONSEED, 

 -MOUNTAIN FRINGE, 

 -BITTER-SWEET, 



Clematis Virginiana, L. 



Clematis Viorna, L. . 



Clematis verticillaris, D. C. 



Menispermum Canadense, L. 



Adlumia fungosa, Green 



Celastrus scandens, L. 



TRAILING STRAWBERRY-BUSH, Euonymous obovatus, Nuit. 



-NORTHERN FOX-GRAPE, 



-SUMMER GRAPE, 



FROST-GRAPE, 



RIVER-GRAPE, 



RED GRAPE, 



SOUTHERN FOX-GRAPE, 



VIRGINIA CREEPER 



, POISON-IVY. 



Vitis labrusca, L. 



Vitis (Estivalis, MX. 



Vitis cor di folia, MX. 



Vitis vulpina, L. 



Vitis palmata, Vahl. 



Vilis rotund i 'folia, MX. 



Ampelopsis quinqiie folia, MX. 



Rhus radicans, L. 



SMOOTH BUSH-TREFOIL, Desmodium humifusum, Beck. 

 BUSH- TREFOIL, Desmodium rotundi folium, D. C. 



BUSH-CLOVER, Ltspedexa procumbent, MX. 



KlDNEY-BEAN, Phaseolus folystachyus (L.), B. S. P. 



VARIOUS-LEAVED KIDNEY-BEAN, Phaseolus helvolus, L. 

 UMBELLED KIDNEY-BEAN, 



Phaseolus umbellatus ( Muhl.), Britton 



FEW-FLOWERED KIDNEY-BEAN, 



Phaseolus paucijlorus, Benth. 



BUTTERFLY-PEA, Clitoria Mariana, L. 



HOG-PEANUT, Amphicarpcea commosa (L.), Rid. 



vii 



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2 5 

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29 



3 1 

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43 

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49 

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53 



