43« 



AQUIFOLIACEAE 



1. T. Vernix. 



2. T. radicans. 



3. T. Toxicodendron. 



3. Toxicodendron [Tourn.] Mill. 



Leaflets 7-13, glabrous; shrub with reddish twigs. 

 Leaflets 3, more or less pubescent. 



Vine climbing by aerial rootlet?; sometimes erect. 



Low shrubs; leaflets crenately lobed. 



i. T.V ernix (L.) Kuntze (Rhus Vernix L.). In swamps: southern 

 Ont. to R. I.,Fla., Minn., Mo. and La. 



Throughout the range always decreasing inland, common in the 

 pine-barrens. 



2. T. radicans (L.) Kuntze (R. radicans L.) Thickets and along 



fences: N. S. to Fla., Minn., Neb. and Ark. 



Common throughout the range, except the pine-barrens, there 

 rare and probably adventive. 



3. T. Toxicodendron (L.) Cockerell (R. Toxicodendron L.). In 



dry soil: S. N. J. to Ga. and western N. Car. 



Rare and local in Camden, Gloucester, Atlantic, Salem, Cumber- 

 land and Cape May counties, perhaps only adventive in the pine- 

 barrens. Otherwise unknown in the range. A recently discovered 

 plant in N. J., apparently spreading northward, more readily along 

 the western edge of the pine-barrens than through them. 



AQUIFOLIACEAE 



Petals oblong or obovate, slightly united. 

 Petals linear, distinct. 



1. Ilex. 



2. Nemopanthes. 



1. Ilex L. 



Leaves thick, evergreen, persistent. 

 Leaves spiny-toothed. 

 Leaves toothed or entire, not spiny. 

 Leaves thin; deciduous. 



Nutlets ribbed; peduncles i-flowered. 

 Nutlets not ribbed. 



Flowers all short-pedicelled. 

 Leaves oblong to oval. 



Branching not fastigiate; leaves 2.5 cm. wide or less. 

 Branching fastigiate; leaves mostly less than 12 

 mm. wide. 

 Leaves obovate. 

 Staminate flowers on long and slender pedicels. 



1. 7". opaca. 



2. /. glabra. 



3. I. monticola. 



4. I. vcrticillata. 



5. I. Jastigiala. 



6. I. bronxensis. 



7. /. laevigata. 



I. opaca Ait. In moist woods: S. Me. to Fla., Pa., Mo. and 

 Tex. 



Conn. Doubtfully as a wild plant, frequently escaping from cul- 

 tivation, especially near the coast. 



