332 
Correosa (Rhus microphylla, 
Aanthorylum fagara). 
Cotton, Arizona wild (Thurberia 
triloba). 
Cotton, 
gum (Nyssa aquatica). 
thorn (Tetradymia spinosa). 
Cottonwood (Popuius deltoides, 
Populus trichocarpa). 
rizona (Populus arizonica). 
Balsam (Populus trichocarpa). 
Black (Populus trichocarpa). 
Eastern (Populus deltoides). 
Fremont (Populus fremontii). 
Lanceleaf (Populus acuminata). 
Narrowleaf (Populus angustifolia). 
Palmer (Populus palmeri). 
River (Populus sargentii). 
Sargent (Populus sargentii). 
Smooth (Populus acuminata). 
Smoothbark (Populus acuminaia). 
Swamp (Populus heterophylla). 
Texas (Populus texana). 
Tweedy’s (Populus tweedyi). 
Valley (Populus wislizenii). 
Western (Populus sargentii). 
Willow (Populus angustifolia). 
Wislizenius (Populus wislizenii). 
Coulter pine (Pinus coulteri). 
Cow oak (Quercus prinius). 
Cow-itch (Campsis radicans, 
Cissus arborea). 
vine (Decumaria barbara). 
Cowlicks (Halesia diptera). 
Coyote, 
brush (Baccharis pilularis). 
willow (Saliz exigua). 
Coyotillo (Karwinskia humboldtiana). 
Crab apple (Malus glabrata, 
Malus glaucescens, 
Malus platycarpa). 
American (Malus coronaria). 
Iowa (Malus ioensis). 
Lanceleaf (Malus lancifolia). 
Narrowleaf (Malus angustifolia). 
Oregon (Malus fusca). 
Prairie (Malus ioensis). 
Soulard (Malus soulardii). 
Sweet (Malus coronaria). 
Western (Malus fusca, 
Malus ioensis). 
Crab cherry (Prunus avium). 
Crack willow (Saliz fragilis). 
Cranberry (Vaccinium macrocarpon). 
Highbush (Viburnum trilobum). 
Mountain (Hugeria erythrocarpa, 
Vaccinium vitis-idaea). 
Small (Vaccinium ovycoccus). 
Cranberrybush 
American (Viburnum trilobum). 
Cream bush (Holodiscus discolor). 
‘Creosote bush (Covilica tridentata). 
Creek, 
dogwood (Cornus californica). 
plum (Prunus rivularis). 
MISC. PUBLICATION 303, U. S. DEPT. OF AGRICULTURE 
Creeping, 
barberry (Berberis repens). 
blueberry (Vaccinium crassifolium). 
hollygrape (Berberis repens). 
shadbush (Amelanchier stolonifera). 
snowberry (Chiogenes hispiduia). 
witch alder (Fothergilla parvifolia). 
Crimson monkeyflower (Mimulus pu- 
niceus). 
Crooked bush (Forestiera acuminata). 
Crossvine (Bignonia capreolata). 
Croton, 
Alabama (Croton alabamensis). 
Shrubby (Croton fruticulosus). 
Crowberry, (Empetrum nigrum). 
Broom (Corema conradii). 
Brown (Corema conradii). 
Plymouth (Corema conradii). 
Crown-of-thorns (Koeberlinia spinosa). 
Crucifixion thorn (Canotia holacantha, 
Holacantha emoryi). 
Cucumber magnolia (Magnolia acumi- 
nata). 
Cucumbertree (Magnolia acuminata). 
Lakee leone (Magnolia macrophyl- 
a). 
Long-leaved (Magnolia fraseri). 
Yellow (Magnolia cordata). 
Cupseed (Calycocarpum tyonii). 
Curly clematis (Clematis crispa). 
Curl-lower (Clematis crispa). 
Curlleaf mountain-mahogany (Cerco- 
carpus ledifolius). 
Currant, 
American red (Ribes triste), 
Black (Ribes americanum). 
Blood (Ribes sanguineum). 
Buffalo (Ribes odoraium). 
California black (Ribes malvaceum). 
Colorado (Ribes coloradense). 
Fetid (Ribes glandulosum). 
Golden (Ribes aureum, 
Ribes odoraitum). 
Gooseberry (Ribes montigenum). 
Hudson Bay (Rives hudsonianum). 
Missouri (Ribes odoratum). 
Mountain (Ribes viscosissimum). 
Nevada (Ribes nevadense). 
Red-flowered (Ribes sanguineum). 
Rothrock (Ribes wolfii). 
Sheep (Ribes cereum). 
Sierra (Ribes nevadense). 
Skunk (Ribes bracteosum, 
Ribes glandulosum, 
Ribes prostratum). 
Squaw (Ribes cereum). 
Sticky (Ribes viscosissimum). 
Stink (Ribes bracteosum). 
Swamp (Ribes lacustre). 
Viscid (Ribes viscosissimum). 
Wax (Ribes cereum). 
Western black (Ribes laziflorum). 
Winter (Ribes sanguineum). 
Wolf (Ribes wolfii). 
Currant grape (Vitis simpsonii). 
Curtiss grape (Vitis sola). 
