NATIVE WOODY PLANTS OF THE UNITED STATES 107 
A large shrub to small or large tree; flowers May-June; spiny; often leafless 
in the dry season; forms dense impenetrable thickets; wood valued as fuel. 
Stomach records: Six species of birds. Observations: Much sought after by 
birds. Somewhat browsed by livestock. 
Condalia obtusifolia (Hook.) Weberb. Lotebush. 
Rhamnus obtusifolia Hook., Zizyphus obtusifolia (Hook.) Gray. 
hanse:) tt 16. 17, 20; 29, 30, 
Site: Dry, sun. 
Fruit: Drupe, available in June. 
A small to large, spiny shrub; very persistent when established. 
Stomach records: Phainopepla. Observations: Extensively eaten by gray fox. 
Condalia parryi (Torr.) Weberb. Parry jujube. 
Lizyphus parryi Torr. 
Range: 10. 
Site: Dry, sun. 
Fruit: Drupe. 
A large, spiny shrub; flowers in April. 
Condalia spathulata Gray. Squawbush. 
Range: 10, 11, 16, 17. 
Site: Dry, sun. 
Fruit: Drupe. 
A large, more or less evergreen shrub; densely branched, rigid; occurs in 
sandy and other soils. 
Stomach records: Gambel quail. 
Conradina canescens (Torr. and Gray) Gray. 
Range: 30. 
Site: Well-drained, sun, shade. 
Fruit: Nutlet. 
A small, much-branched, stiff shrub; flowers May—July; occurs in sandy and 
other soils. 
Cordia boissieri DC. Anacahuita. 
Range: 11, 17. 
Site: Dry, well-drained, sun. 
Fruit: Drupe, available August-September. 
A large shrub to small or rarely large tree; evergreen; flowers April—June; 
may occur on limestone soils; fruit edible but said to cause dizziness; very 
ornamental in cultivation. 
Livestock are apparently fond of the fruit; seed eaten by hogs. 
Corema conradii Torr. Plymouth crowberry. 
Empetrum conradit Torr. 
Range: 26, 27; 28: 
Site: Well-drained, sun. 
Fruit: Dry drupe, available July—August. 
A small, evergreen shrub; flowers April-May; diffusely branched; usually 
dioecious; staminate plants very handsome in flower; occurs in sandy and 
other soils; forms large patches. : 
Coreopsis gigantea (Kellogg) Hall. Giant coreopsis. 
Range: 5 
Site: Dry, well-drained, sun. 
Fruit: Achene. 
A small robust, evergreen, single-stemmed shrub. 
Corethrogyne cana, See Aplopappus canus. 
Corethrogyne detonsa, see Aplopappus canus, 
Cornus spp. Cornels, dogwoods. 
The species are often difficult to separate, the characters used to distinguish 
them often being very minor; probably some species will eventually be reduced 
to Synonyms; most species grow in neutral soil; propagation is by seed stratified 
at 32°-50° F. for 120 to 140 days and sown in spring. Seeds of many germinate 
the first year if planted promptly on ripening; many species more easily 
propagated by cuttings. 
Stomach records (in addition to specific records) : Sixty species of birds, in- 
cluding bobwhite and Richardson’s grouse; gray fox, Virginia deer; composed 
