AQUIFOLIACEAE 



Ilex opaca Ait American holly. 



Occasional in woods. 



Ilex verticillata (L.) Gray Winterberry, black alder. 



Occasional in wet soil. A staminate plant is growing naturally in the holly- 

 magnolia area, location 41. 



CELASTRACEAE 



Celastrus scandens L American bittersweet. 



Mount Hamilton and other wooded areas. 

 Euonymus americanus L Brook euonymus. 



Woods and ravines. 



ACERACEAE 



Acer campestre L Hedge maple. 



Numerous plants along the southwest base of Mount Hamilton, location 2. 

 Seeds apparently originated in Mount Olivet Cemetery across Bladensburg 

 Road. 



Acer negundo L Boxelder. 



Frequent. 



Acer rubrum L Red maple. 



Woods, fields, and along watercourses. Begins to bloom about 2 weeks later 

 than A. sac ch annum. 



Acer saccharinum L Silver maple. 



Frequent in low ground. Some trees have been known to flower during the 

 last few days of January in mild winters. 



BALSAMINACEAE 



Inipatiens capensis Meerb. (/. biflora Walt.) . . . .Spotted touch-me-not. 

 Wet and moist soils. 



RHAMNACEAE 



Ceanothus americanus L Jersey-tea, ceanothus, redroot. 



Occasional in woods. 



VITACEAE 



Parthenocissus quinquefolia (L.) Planch Virginia-creeper. 



Woods and thickets. 

 Vitis aestivalis Michx Summer grape. 



Frequent in woods and thickets. 



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