332 MISC. PUBLICATION 303, U. 
S. DEPT. OF AGRICULTURE 
Correosa (Rhus microphylla, 
XantJioxylmn fagara). 
Cotton, Arizona wild {Thiir'beria 
triloba) . 
Cotton, 
gum (Nyssa aquatica). 
thorn {Tetradymia spinosa). 
Cottonwood {Popuhis deltoides, 
Populus tricJiGcarpa). 
Arizona (Populus arizonica). 
Balsam (Populus iricJiocarpa) . 
Black (Populus tricJiocarpa) . 
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 acuminata). 
Swamp (Populus heterophylla) . 
Texas (Populus teosana). 
Tweedy's (Populus ttveedyi). 
Valley (Populus wislizenii). 
Western (Populus sargentii). 
Willow (Populus angustifolia). 
Wislizenius (Populus wislizenii). 
Coulter pine (Pinus coiiUeri). 
Cow oak (Quercus prinus). 
Cow-itch (Campsis radicans, 
Cissus arJjorea). 
vine (Decumaria Barbara). 
Cowlicks (Halesia dlptera). 
Coyote, 
brush (Baccharis pilularis). 
willow (Salix exigua). 
Coyotillo (Kanvinskia huniboldtiana) . 
Crab apple (Mai us glabrata, 
Malus glaucescens, 
Malus platycarpa). 
American (Malus coronaria). 
Iowa (Malus ioensis). 
Lanceleaf (Malus lancifolia). 
Narrowleaf (2Ialus angustifolia). 
Oregon (Malus fusca). 
Prairie (Malus ioensis). 
Soulard (Malus soulardii). 
Sweet (Malus coronaria). 
Western (Malus fusca, 
Malus ioensis). 
Crab cherry (Primus avium). 
Crack willow (Salix fragilis). 
Cranberry (Taccinium macrocarpon ) . 
Highbush (Vihwrnum triloium). 
Mountain (Hugeria erythrocarpa, 
Vacciniiim vitis-idaea) . 
Small (Vaccinium oxycoccus). 
Cranberrybush 
American (Viburnum trilobum). 
Cream bush (Holodisms discolor). 
Creosote bush (CoviUea tridentata). 
Creek, 
dogwood (Cornus calif ornica). 
plum (Primus rivalaris). 
Creeping, 
barberry (Berheris repens). 
blueberry (Vaccinium crassifoUum) . 
hollygrape (Berberis repens). 
shadbush (Amelanchier stolonifera) . 
snowberry (Chiogenes hispidula). 
witch alder (FothergiUa parvifolia) . 
Crimson monkeyfiower (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 liolacantlia, 
Holacantha emoryi). 
Cucumber magnolia (Magnolia acumA- 
nata). 
Cucumbertree (Magnolia acuminata). 
Large-leaved (Magnolia macrophyl- 
la). 
Long-leaved (Magnolia fraseri). 
Yellow (Magnolia cordata). 
Cupseed (Calycocarpum lyonii). 
Curly clematis (Clematis crispa). 
Curl-fiower (Clematis crispa). 
Curlleaf mountain-mahogany ( Cerco- 
carpus ledifolius). 
Currant, 
American red (Ribes triste). 
Black (Ribes americanum). 
Blood (Ribes sanguineum). 
Buffalo (Ribes odoratum). 
California black (Ribes malvaceum). 
Colorado (Ribes coloradense) . 
Fetid (Ribes glandulosum) . 
Golden (Ribes aureimi, 
Ribes odoratum). 
Gooseberry (Ribes montigenum) . 
Hudson Bay (Ribes hudsonianum) . 
Missouri (Ribes odoratum). 
Mountain (Ribes viscosi^simum) . 
Nevada (Ribes nevadense) . 
Red-flowered (Ribes sanguineum). 
Rothrock (Ribes ivolfii) . 
Sheep (Ribes cereum). 
Sierra (Ribes nevadense). 
Skunk (Ribes bracteostmi, 
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 laxifiorum). 
Winter (Ribes sanguineum). 
Wolf (Ribes tvolfJ). 
Currant grape (Vitis simpsonii). 
Curtiss grape (Vitis sola). 
