]^76 MISC. PUBLICATION 803, U. S. DEPT. OF AGRICULTURE 
Ostrya baileyi Rose. 
Range: 11, 16, 19. 
Site: Dry, well-drained, sun. 
Fruit: Nutlet. 
A small tree. 
Ostrya knowltonii Cov. 
Range : 9, 11. 
Site: Dry, well-drained, sun. 
Fruit: Nutlet. 
A large slirub to small tree. 
Bailey hophornbeam. 
Western hophornbeam. 
Ostrya vlrginiana (Mill.) Koch. Hophornbeam. 
Range : 15, 18, 20, 21, 22, 23, 24, 25, 27, 28, 29, 30. 
Site : Dry, well-drained, moist, sun, shade. 
Fruit: Nutlet, available August-October. 
A small, very slow-growing tree. Var. glandulosa (Spacb) Sarg., the more 
northern form, has been noted to be possibly the same as 0. baileyi. 
8iG7iiacJi records: Five species of birds including ruffed grouse, bobwhite, 
ptarmigan; white-tailed deer; composed 14.73 percent of winter food of ruffed 
grouse in New York. Observations: Five species of birds, including ruffed 
grouse, ring-necked pheasant ; staple food of northern sharp-tailed grouse in 
Quebec; white-tailed deer, cottontail rabbit. 
Oxycoccns erythrocarpuSj see Hugeria erytlirocarpa. 
Oxycoeciis maerocarpus, see Vaccinium macrocarpon. 
Oxyeoccus oxycoccus, see Vaccinium oxycoccus. 
Osycoceus palustris, see Vaccinium oxycoccus. 
Oxydendrum arborenm (L.) DC. (pi. 22, B). Sonrwood. 
Andromeda arboreum L. 
Range: 25, 27, 28, 29, 80. 
Site : Dry, well-drained, sun, shade. 
Fruit : Capsule, available September-October. 
A large tree ; flowers June-August ; rarely attacked by insects or diseases ; 
wood sometimes used locally. 
Stomach records: White-tailed deer. A good bee plant. 
Oxytenia acerosa Nutt. 
Range: 9, 10. 
Site: Dry, sun. 
Fruit : Achene. 
A large shrub, leafless and rushlike, or with leaves ; often occurs on alkaline 
soil. Not eaten by livestock and considered poisonous to cattle by stockmen. 
Paehistlma canbyi Gray. Cliffgreen. 
Range: 27. 
Site : Dry, well-drained, sun, shade. 
Fruit : Capsule, available August-September. 
A small evergreen shrub ; flowers April-May ; occurs on limestone and other 
soils ; creeping branches root. 
Stomach records: White-tailed deer. 
Pachistima myrsinites (Pursh) Raf. Myrtle boxleaf. 
Range : 1, 2, 4, 9, 12, 13, 14. 
Site : Dry, well-drained, moist, sun, shade. 
Fruit : Capsule, available July-September. 
A small evergreen shrub; flowers May-July; densely branched, very leafy; 
sometimes nearly prostrate. 
Stomach records: Richardson's grouse; mountain sheep, black-tailed deer, 
plains white-tailed deer. Occasionally brovv'sed by livestock ; rarely causes live- 
stock poisoning. 
Pachysandra prociimbens Michs. Pachysandra. 
Range : 25, 27, 28, 29, 30. 
Site : Well-drained, sun, shade. 
Fruit: Capsule. 
A small evergreen shrub ; flowers April-May ; often occurs on calcareous 
soil ; forms large clumps by means of rootstocks. 
