15 



Order 27. RHAMNACEvE.— Buckthorn Family. 



Ceanothus. — Red-root. 

 Ceanothus Americanus New Jersey tea. 



Order 28. VITACEiE.— Vine Family. 



ViTis. — Grape. 



Vitis aestivalis Summer grape. 



Vitis riparia Frost grape. 



Ampelopsis. — Virginian Creeper. 

 Ampelopsis quinquefolia Virginian creeper. 



Order 29. SAPINDACEiE.— Soapberry Family. 



^SOULUS. 



^sculus Hippocastanum Common horse-chestnut. 



Acer. — Maple. 



Acer spicatum Mountain maple. 



Acer saccharinum Sugar or rock maple. 



Acer dasycarpum White or silver maple. 



Acer rubrum Red or swamp maple. 



Negundo. — Ash Leaved Maple or box-elder. 



Negoindo aceroides Box elder. 



Staphylea. 



Staphylea trifolia American bladder nut. 



Order 30. ANACARDIACE^E.— Cashew Family. 

 Rhus. — Sumach. 



Rhus typhina Stasj horn sumach. 



Rhus glabra Smooth sumach. 



Rhus venenata Poison sumach, or dogwood. 



Rhus toxicodendron Poison ivy, or poison oak. 



Rhus aromatica Fragrant sumach. 



Rhus toxicodendron var radicans Poison ivy. , 



