Cabbage Tree
Cacao
Cactus
Cajuput
Calabar Bean
Calamint
Calamus Aromaticus
Calisaya
Calotopis
Calumba
Camellia
Campanula
Camphor
Campion
Canadian Hemp
Canchalagua
Candytuft, bitter
Canella
Capsicum
Caraway
Cardamoms
Cardoons
Caroba
Carrot
Carrot, Wild
Cascara, Amarga
Cascara Sagrada
Cascarilla
Cashew Nut
Cassava
Cassia (Cinnamon)
Castor Oil Plant
Catechu, Pale
Catechu Pallidum
Catechu, Black
Catmint
Catnep
Catsfoot
Caulophyllum
Cayenne
Cedar, Yellow
Cedron
Celandine, Greater
Celandine, Lesser
Celery (Wild)
Centaury
Centaury, Chilian
Cereus, Night Blooming
Chammoniles
Chaste Tree
Chaulmoogra
Cheken
Chenopodiums
Cherry Laurel
Cherry Stalks
Cherry, Wild
Cherry, Winter
Chestnut, Horse
Chestnut, Sweet
Chickweed
Chicory
Chimaphila
China
Chiretta
Chives
Chrysanthemum
Cicely, Sweet
Cineraria Maritima
Cinnamon
Cinnamon, White
Cinquefoil
Clary, Common
Clematis
Clivers
Clover, Red
Cloves
Club Moss
Coca, Bolivian
Cocculus, Indicus
Cocillana Bark
Cocklebur
Coffee
Cohosh, Black
Cohosh, Blue
Colchicum
Cole Seed
Colocynth
Coltsfoot
Columbine
Columbo, American
Combretum
Comfrey
Compass Plant
Condurango
Contrayerva
Convolvulus, Field
Coolwort
Copaiba
Coriander
Corkwood Tree
Corn Cockle
Cornflower
Corn, Indian
Corn Salad
Corn Silk
Corsican Moss
Costmary
Coto
Cotton Root
Couchgrass
Cowhage
Cowslip
Cow-Wheat
Cramp Bark
Cranesbill Root, American
Crawley Root
Crosswort
Croton
Crowfoot, Celery-Leaved
Crowfoot, Upright Medow
Cubebs
Cuckoo-pint
Cucumber
Cucumber, Squirting
Cudbear
Cudweed
Cumin
Cup Moss
Cup Plant
Curare
Currant, Black
Currant, Red
Cyclamen, Ivy-Leafed