THK SlACiHORN SUMACH {Rhus hiria) 

 Foliage, fruit, and all the younger branches of this much-forked sumach tree, are dei 

 petioles dilate at the base, and their detachment leaves a circular scar. The winter bud 

 and it never sees the light until the leaf falls. The foliage turns to vivid red in autumn, 

 ter, after the leaves have fallen. The species is an admirable cover for rocky slopes 



sely clothed with stiff hairs. The 

 s capped by this conical leaf base. 

 The fruits persist late into the win- 



THE POISON SUMACH {Rhus Vernix) 

 White berries in drooping clvisters, growing with 

 •mooth foliage of brilliant autumn colouring in swampy 

 ground set apart the deadliest of the sumachs. Touch- 

 ing the plant is far worse than handling poison ivy. 

 The twigs are pale grey La winter, dotted thickly with 

 lenticels (breathing pores) 



THE DWARF SUMACH {Rhus copallina) 

 This tree is shrubby in the North. The new growth is coated with 

 fine, silky down. The leaves are lustrous and smooth above, and 

 lined with soft hairs. The central leaf stalk is wirg-niargined 

 between the pairs of leaflets. The twigs are brown and marked 

 with breathing pores. The prominent leaf scars give the twigs a. 

 zigzag appearance. 



