Cercocarpus (mountain-mahogany), B49. 

 arizonicus (Arizona m.-m.), BBO. 



betulaefolius. See C. betuloides. 



betuloides (birchleaf mountain-mahogany), 



B51. 



breviflorus, B49. 

 eximius, Bl,9. 



intricatus (littleleaf mountain-mahogany) , 

 BBO. 



ledifolius (curlleaf m.-m.), B50. 

 montanus (true m.-m.), B51. 



parvifolius. See C. montanus. 

 Chamaebatia foliolosa (bearmat), B52. 

 Cluunaenerion angusti folium (fireweed), W50. 

 chamise (Adenostoma fasciculatum), B8. 

 chamise. See ceanothns, wedgeleaf; saltbush, 



fourwing. 



chamiso. See chamise; saltbush, fourwing. 

 chamiza. See saltbush, fourwing. 

 chaparral. See ceanothus, Martin; ceanothus, 

 wedgeleaf; silktassel, Wright. 



ground. See eriogonum, James. 



small. See ceanothus, Martin. 

 cheatgrass. See chess, downy, 

 cherry (Prunus. Sec. Cerasus). 



bitter (P. emarginata), B115. 

 chess, downy (Bromus tectorum), O38. 

 ehickweed (Alsine; A. media), Wig. 



mountain. See starwort, tuber. 

 Chilopsis linearis (desert willow), BSS. 

 chokecherry (Prunus. Sec. Padus). 



black (P. melanocarpa), Bll/ t . 



common (P. virginiana), BIL',. 



western (P. demissa), B114. 



cholla (Opuntia, cylindrical-stemmed spp.), BIOS. 

 Ohondrophylla. See Gentiana. 

 Ohrysobotrya. See Ribes. 

 Ohrysoma. See Aplopappus. 

 Chrysopsis (golden-aster), WB1. 



arida. See C. villosa. 



asprella. See C. villosa. 



bakeri. See C. yillosa. 



butleri. See C. villosa. 



villosa (hairy golden-aster), W51. 

 Chrysothamnus (rabbi thrush), B54. 



bloomeri. See Aplopappus blocmeri. 



graveolens, B54- 



greenei (Greene rabbitbrush), BB4- 



Howard! (Ho ward r.), BB4- 



humilis, B5J,. 



lanceolatus (lanceleaf yellowbrush), B55. 



linifolius, Jin',. 



nauseosus (rubber rabbitbrush), B56. 



nauseosus graveolens. See C. graveolens. 



nevadensis (Nevada rabbitbrush), BS4- 



paniculatus, BS4- 



parry i (Parry r.), B54- 



pinifolius, B54- 



puberulus, B54- 



pulcherrimus. See C. speciosus. 



speciosus (tall rabbitbrush), B54- 



stenophyllus (small r.), B54- 



teretifolius, B54- 



turbinatus, B54- 



viscidiflorus serrulatus, B54- 



viscidiflorus tortifolius (twistleaf rabbitbrush), 



B54. 



chuchupate. See loveroot; loveroot, Porter. 

 cicely, sweet. See sweet-anise; sweetroot. 

 Cicuta (waterhemlock), W52. 



bulbifera (bulbous w.), W5i. 



californica (California w.), W6t. 



maculata (spotted w.), W53. 



occidental is (western w.), W53. 



vagans (tuber w.), W53. 

 cigaretteplant. See desert-trumpet, 

 cineraria (Senecio cruentus), W168. 



silver (Senecio cineraria), W168. 

 cinquefoil (Potentilla), W155. 



biennial (P. biennis), W1B5. 



blueleaf (P. glaucophylla), W16B. 



Brewer (P. breweri), W1S5. 



bush. See shrubby cinquefoil. 



creeping (P. reptans), W1SS. 



Nuttall (P. nuttallii), W156. 



oldfield (P. canadensis), W1B5. 



shrub. See shrubby cinquefoil. 



shrubby (Dasiphora fruticosa), B70. 



silver (P. argentea), W155. 



siimstem (P. filipes), WlBB. 

 Citrus bergamia (bergamot), WISH. 



cleaver. See bedstraw. 

 Clematis, B58. 

 douglasii, B58. 



ligusticifolia (western vjrgins-bower), B58. 

 cliffrose (Cowania stansburiana), B68. 

 cloth-of-gold. See actinea, stcmless. 

 clover (Trifolium), W190. 



alsike (T. hybridum), W190. 

 bear-. See bearmat. 

 Ilubam. See sweetclover, Hubam. 

 red (T. pratense), W190. 

 Kydberg (T. rydbergii), W195. 

 Spanish. See deervetch, birdsfoot. 

 white (T. repens), W190. 

 wild white. See Rydberg clover. 

 cofTeeberry. See buckthorn, California; jojoba; 



silktassel, Wright. 

 coffeebush. See jojoba. 

 Cogswcllia (biscuitroot), W55. 

 cous (cous), W56. 

 nudicaulis, WB6. 

 platycarpa. See C. triternata. 

 platyphylla, W6B. 

 simplex. See C. triternata. 

 triternata (nineleaf biscuitroot) , W56. 

 Coleogyne ramosissima (blackbrush), B61. 

 columbine (Aquilegia), W18. 



American (A. canadensis), W18. 

 Colorado (A. coerulea), W18. 

 European (A. vulgaris), W18. 

 Sitka (A. formosa), W18. 

 coneflower (Rudbeckia), W163. 

 cutleaf (R. laciniata), W163. 

 western. See niggerhead. 

 Conium maculatum ( poisonhemlock) , WBt. 

 copa de ora. See California-poppy, 

 coralbells (Heuchera sanguinea) , W92. 

 coralberry (Symphoricarpos orbiculatus), B1BI. 

 cornbind (Bilderdykia), W154- 

 cornlily. See false-hellebore, western. 

 Cornus (dogwood) 



florida (flowering d.), B64. 

 nuttallii (Pacific d.), Bf>4. 

 sanguinea (bloodtwig d.), B64- 

 Corylus (hazel), B66. 



avellana (filbert), B66. 

 californica (California hazel), B66. 

 rostrata (beaked h.), B66. 

 rostrata californica. See C. californica. 

 rottongrass, Arizona (Trichachne californica), 



Q122. 



cottontop. See cottongrass, Arizona. 

 cotton wood (Populus), Bill. 

 black (P. trichocarpa), Bill. 

 narrowleaf (P. angustifolia), Bill. 

 coughroot. See loveroot. 

 cous ( Cogs wellia cous), WBS. 

 cousroot. See cous. 

 Covillea 



glutinosa. See C. tridentata. 

 mexicana. Sec C. tridentata. 

 tridentata (creosotebush), B67. 

 Cowania 



alba. See C. staiisburiana. 



"mexicana" (of U. S. authors, not D. Don). 



See C. stansburiana. 



mexicana stansburiana. See C. stansburiana. 

 stansburiana (cliffrose), B68. 

 cowbane. See waterhemlock, western. 



spotted. See waterhemlock. 

 cow-cabbage. See cow-parsnip, 

 cow-parsnip (Heracleum lanatum), W91. 

 coyaye. See snakeweed, broom. 

 coyote-angelica. See meadowrue, Sierra. 

 cranesbill. See geranium. 



crazyweed (Oxytropis, spp. causing locoisui, W138; 

 O. lambertii, W139) 

 haresfoot (O. lagopus), W1S8. 

 Rocky Mountain (O. saximontana), W1S&, 

 showy (O. splendens), W138. 

 spike (O. macounii), W1S8. 

 whorled (O. richardsonii), W1S8. 

 cream bush . See oceanspray . 

 creosotebush (Covillea tridentata), B67. 

 Crepis (hawksbeard), WBT. 



acuminata (tapertip h.), W57. 

 intermedia (grayh.), W67. 

 monticola, WB7. 

 nana, W57. 

 occidentals, WBT. 

 runcinata, WB7. 



