220 MISC. PUBLICATION 303,. U. S. DEPT. OF AGRICULTURE 
Suerclis platanoides, see Quercus uicolor. 
Gnercus price! Sudw. Coast live oak. 
Range: 5. 
Site: Dry, well-drained, sun. 
Fruit: Acorn, biennial. 
A sraail to large evergreen tree; occurs in graveHy and other soils. Hardly 
separable from Q. agrifoJla. 
Quercus prinoldes Willd. Dwarf cliinquapin oak. 
Range : 21, 22, 23, 24, 25, 27, 28, 29, 30. 
Site: Dry, sun. 
Fruir: Acorn; annual, available September-October. 
A large sbrub to small tree ; thicket forming ; occurs on sandy, limestone 
and other soils ; 400 seeds per pound. 
Observations: Ruffed grouse, cottontail rabbit. 
Quercus priuus, see also Quercus nioutana. 
Quercus priiius L. Swamp chestnut oak. 
Q. micliauxu Kutt. 
Range : 20, 25, 28, 29, 80. 
Site: Well-drained, moist, sun. 
Fruit : Acorn ; annual, available September-October. 
A large tree ; taproot and deep laterals vv^ell developed ; long-lived ; generally 
free from insects and diseases ; easily fire-damaged when young ; stump sprouts 
never large ; wood durable, much used commercially ; a fertile-soil species ; 
70-150 seeds per pound, germination 86 percent. 
Stomach records: Mourning dove; white-tailed deer. Observations: Cotton- 
tail rabbit. 
Quercus pumila, see also Quercus ilicifolia. 
Quercus pumila "Walt. Hunning oak. 
Q. humilis Walt. 
Range: 29, 30. 
Site: Dry, vrell-drained, sun, shade. 
Fruit : Acorn, annual. 
A small evergreen shrub ; often forms small sparse thickets by means of root 
stocks ; not a pioneer species. 
Stomacli records: Bobwhite. 
Quercus pungens, see Quercus undulata. 
Quercus reticulata, see Quercus diversicolor. 
Quercus rhombica, see Quercus Imirifolia. 
Quercus rubra, see also Quercus dorealis, 
Quercus rubra L. Southern red oak. 
Q. falcata (Michx.) of Amer. auths., Q. digitata (Marsh.) Sudw. 
Range : 20, 25, 27, 28, 29, 30. 
Site : Dry, well-drained, sun. 
Fruit : Acorn ; biennial, available September-October. 
A large tree ; root system deep as well as shallow on the same tree ; occurs on 
sandy or heavy soils; rapid growing, rather short-lived; very sensitive to late 
frosts ; much attacked by heart rot ; coppices freely, especially when young ; 
much cultivated ; wood not durable, somewhat used commercially. 
Yav. iwgodGefolia (Ell.) Ashe, (Q. pogodaefoUa (Ell.) Ashe, Q. pagoda Raf.), 
and var. leucophijUa Ashe, both occur within the range of the species. 
Quercus rydbergiana Cockerell. Hydberg oak. 
Q. undulata rydbergiana Cockerell. 
Range : 13, 14. 
Site : Dry, sun. 
Fruit: Acorn, annuaL 
A small evergreen shrub. 
Quercus sadleriana Brown. Sadler oak. 
Range: 4. 
Site: Dry, well-drained, sun, shade. 
Fruit : Acorn, annual. 
A small to large evergreen shrub : forms dense thickets ; occurs at altitudes 
of from 5,000-7,000 feet. 
