p. grandidentata Michx. Large-toothed Aspen. 



Generally distributed and common at low elevations ascendiiij; tn 2,5(10 feet; most 

 common in recent woods or burned areas, occasional in older, more mature forests. 



P. alba L. White Poplar. 



Persisting and spreading clonall}' following early cultivation ; locally 

 throughout : naturalized from Europe. 



abundant 



P. deltoides 



P. nigra var. italica 



P. balsamifera var. 



balsamifera 



var. subcordata 

 XP. gileadensis 

 Myrica (iale var. Gale 



var. subglabra 

 M. pensylvanica 

 Comptonia peregrina 

 Juglans cincrea 

 Carya cordiformis 

 C. ovata var. ovata 



var. Nuttallii 



var. pubescens 

 C. glabra 

 C. ovalis 



Corylus americana 

 C. cornuta 

 Ostrya virginiana 

 Carpinus caroliniana 

 Betula lenta 

 B. lutea var. lutea 



var. macrolepis 

 B. nigra 

 B. populifolia 

 B. caerulea - grandis 

 B. minor 

 B. papyrifera var. 



papyrifera 



var. cordifolia 



p. deltoides Marsh. Cottonwood, Necklace-Poplar. 



Doubtless indigenous in Connecticut Valley where of fretiuent occurrence as far 

 north as Haverhill; tree 5 feet in diameter was reported in 1901 at Walpole; perhaps 

 escaped in Shelburne and Hudson, and certainly introduced in Lee ; river-gravels 

 and banks. 



P. nigra L. Lonibardy Poplar. 



The Lumbardy Poplar, the so-called var. italica. is a cultivar or form of this 

 species which persists or spreads in central and southern New Hampshire following 

 cultivation ; susceptible to disease and often dying out : introduced from southern 

 Europe or western Asia. 



