174 MISC - PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 



Nephropetalum pringlei Robins, and Greenm. 

 Range: 17. 



Site: Dry, well-drained, sun. 

 Fruit: Capsule. 

 A small shrub. 



Nicotiana glauca Graham. Tree tobacco. 



Range : 1, 3, 5, 10, 11, 17, 20. 

 Site: Dry, well-drained, moist, sun, shade. 

 Fruit: Capsule. 



A large shrub to small tree ; evergreen ; introduced from South America, 

 but naturalized in the regions indicated ; foliage sparse, furnishing little soil 

 cover ; a pioneer in eroded areas ; reputed to be poisonous. 

 Observations: Especially attractive to hummingbirds. 



Nintooa japonica, see Lonicera japonica. 



Nuttallia cerasiformis, see Osmaronia cerasiformis. 



Nyssa sp. 



Observations (in addition to specific records) : Red-headed woodpecker. 



Nyssa aquatica Marsh. Tupelo gum. 



Range : 25, 29, 30. 



Site : Moist, shade. 



Fruit : Drupe, not available in October. 



A large tree; wood not durable, used commercially to some extent. 

 Stomach records: Ten species of birds, including bobwhite and wild turkey. 

 Observations: Four species of birds. 



Nyssa biflora Walt. Swamp black gum. 



Range : 28, 29, 30. 



Site: Moist, sun, shade. 



Fruit: Drupe, available August-September. 

 A large tree ; wood of little importance commercially. 

 Stomach records: Four species of birds, including bobwhite and wild turkey. 



Nyssa ogeche Marsh. Sour tupelo gum. 



Range: 29, 30. 

 Site: Moist, sun. 



Fruit: Drupe, available July-August, persistent until November- 

 December. 



A large shrub, or more commonly a small to large tree ; very rare and local ; 

 fruits much larger than those of other species, and edible. 

 Stomach records: Opossum. An important source of honey. 



Nyssa sylvatica Marsh. Black gum. 



Range : 20, 22, 24, 25, 26, 27, 28, 29, 30. 

 Site: Well-drained, moist, sun, shade. 

 Fruit: Drupe; available September-October, persistent until May or 



falling at once. 



A large tree; root system deep, widespreading, as well as superficial; resist- 

 ant to fire ; not wind-firm ; coppices after cutting ; wood not durable in soil, 

 used commercially ; without notable insect enemies ; 3,000-4,000 seeds per pound. 

 Stomach records: Thirty-two species of birds, including ruffed grouse, bob- 

 white, wild turkey, ring-necked pheasant, and greater prairie chicken ; Louisiana 

 white-tailed deer. Observations: Twenty-four species of birds, including ruffed 

 grouse ; greatly preferred food of wild turkey ; captive marsh rabbit ; favorite 

 food of black bear ; white-tailed deer. 



Obione confertifolia, see Atriplex confertifolia. 



Obione hymenelytra, see Atriplex hymenelytra. 



Obioue lentiformis, see Atriplex lentiformis. 



Obione polycarpa, see Atriplex polycarpa. 



Odostemon aquifolius, see Berberis aquifolium. 



Odostemon dictyotus, see Berberis californicum. 



Odostemon fascicularis, see Berberis californicum and B. pinnata. 



