174 MISC, PUBLICATION a03, 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. 
Ohservations : Especially attractive to hummingbirds. 
Nintooa japonica, see Lonicera japonica. 
Nuttallia cerasiformis, see Osniaronia cerasiformis. 
Nyssa sp. 
Ohservations (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 ; resistr 
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. Ohservations: 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 confertifoUa. 
Obione hymenelytra, see Atriplex hymenelytra. 
Obione lentiformis, see Atriplex lentiformis. 
Obione polycarpa, see Atriplex polycarpa. 
Odostemon aquifolius, see Berheris aquifolium. 
Odostemon dictyotus, see Berheris californicum. 
Odostemon fascicularis, see Berheris californicum and B. pinnata. 
