INDEX TO KEY OF FAMILIES AND GENERA 



139 



Ceanothus, 92. 

 Cedrela, 91. 

 Cedronella, 115. 

 Cedrus, 120. 

 Ceiba, 90. 



CELASTRACE.E, 81, 92. 



Celastrus, 92. 

 Celmisia, 107. 

 Celosia, 116. 

 Celsia, 112. 

 Celtis, 118. 

 Cenchrus, 134. 

 Cenia, 107. 

 Centaurea, 105. 

 Centradenia, 99. 

 Centranthus, 103. 

 Centropogon, 107. 

 Centrosema, 95. 

 Cephaelis, 103. 

 Cephaianthera, 122. 

 Cephalauthus, 103. 

 Cephalaria, 103. 

 Cephalocereus, 101. 

 Cephalostachjum, 134. 

 Cephalotace^, 82, 98. 

 Cephalotaxus, 120. 

 Cepbalotus, 98. 

 Cerastium, 89. 

 Ceratiola, 119. 

 Ceratolobus, 129. 

 Ceratonia, 95. 

 Ceratopetalum, 98. 



CERATOPTERIDACE.E, 85, 



136. 

 Ceratopteris, 136. 

 Ceratostigma, 109. 

 Ceratotheca, 114. 

 Ceratozamia, 120. 



CERCIDIPHYLLACE.E, 80, 86 



Cercidiphyllum, 86. 

 Cercis, 95. 

 Cercocarpus, 97. 

 Cereus, 101. 

 Cerinthe, 111. 

 Ceropegia, 110. 

 Ceropteris, 135. 

 Ceroxylon, 130. 

 Cespedesia, 91. 

 Cestriim, 112. 

 Chaenactis, 106. 

 Chaenomeles, 96. 

 ChEenostoma, 112. 

 ChaerophyUum, 101. 

 ChsEtospermum, 91. 

 Chalcas, 90. 

 Chamaebatia, 97. 

 Chamaebatiaria, 96. 

 Chamaecyparis, 120. 

 Chamaedaphne, 108. 

 Chamaedorea, 130. 

 Chamaelirium, 128. 

 Chamaemelum, 107. 

 Chamaeranthemuin, 114. 

 Chamaerops, 129. 

 Chaptalia, 107. 

 Charieis, 105. 

 Cheilanthes, 135. 

 Cheiranthus, 88. 

 Chelidonium, 87. 

 Chelone, 112. 

 Chenopodiace^, 83, 116. 

 Chenopodium, 116. 

 Chilianthus, 110. 

 f'hilopsis, 113. 

 fhimaphila, 108. 

 Chiococca, 103. 



Chiogenes, 108. 

 Chionaiithus, 109. 

 Chionodoxa, 128. 

 Chiranthodendron, 90. 

 Chirita, 114. 

 Chironia, 110. 

 Chlidanthus, 124. 

 Chloranthace.e, 84, 117. 

 Chloranthus, 117. 

 Chloris, 134. 

 Chlorocodon, 110. 

 Chlorogalum, 127. 

 ChJorophytuin, 127. 

 Chloroxj'lon, 91. 

 Choisya, 91. 

 Chondrorjiicha, 123. 

 Chorisia, 90. 

 Chorizema, 94. 

 Chrozophora, 118. 

 Chrysalidocarpus, 131. 

 Chrysanthemum, 107. 

 Chrysobactron, 127. 

 Chrysobalanus, 97. 

 Chrysogonum, 106. 

 Chrysophyllum, 109. 

 Chrysopsis, 105. 

 Chrysosplenium, 98. 

 Chusquea, 134. 

 Chysis, 122. 

 Cibotium, 136. 

 Cicer, 95. 

 Cichorium, 107. 

 Cimicifuga, 86. 

 Cinchona, 103. 

 Cineraria, 107. 

 Cinna, 134. 

 Cinnamomum, 117. 

 Cipura, 124. 

 Circaea, 99. 

 Cirrhopetalum, 123. 

 Cirsium, 105. 

 Cissampelos, 86. 

 Cissus, 92. 

 Cistace^, 80, 88. 

 Cistus, 88. 

 Citharexylum, 115. 

 Citropsis, 91. 

 CitruUus, 100. 

 Citrus, 91. 

 Cladanthus, 107. 

 Cladothamnus, 108. 

 Cladrastis, 94. 

 Clarkia, 99. 

 Claucena, 90. 

 Clavija, 109. 

 Claytonia, 89. 

 Cleisostoma, 123. 

 Cleistocactus, 101. 

 Clematis, 86. 

 Clemato-clethra, 86. 

 Cleome, 88. 

 Clerodendron, 115. 

 Clethra, 108. 

 Clethrace.e, 83, 108. 

 Cleyera, 89. 

 Clianthus, 95. 

 Clidemia, 99. 

 Cliftonia, 91. 

 Clinostigma, 130. 

 Clintonia, 128. 

 Clitoria, 94. 

 Clivia, 125. 

 Cluytia, 119. 

 Clytostonia, 113. 

 Cnicus, 105. 

 Cobaea, 111. 



Coecinea, 100. 

 Coccoloba, 116. 

 Coccothrinax, 129. 

 Cocculus, 86. 

 Cochlearia, 88. 

 Cochlioda, 123. 

 Cochliostema, 128. 

 Cocos, 129. 

 Codiaeum, 119. 

 Codonanthe, 114. 

 Codonopsis, 107. 

 Ccelia, 122. 

 Coelogyne, 122. 

 Coffea, 103. 

 Coix, 133. 

 Cola, 90. 

 Colax. 123. 

 Colchicum, 128. 

 Colea, 113. 

 Coleus, 115. 

 Collabium, 123. 

 CoUetia, 92. 

 Colliguaya, 119. 

 CoUinsia, 112. 

 Collinsonia, 116. 

 Collomia, 111. 

 Colocasia, 131. 

 Colquhounia, 116. 

 Columnea, 114. 

 Colutea, 95. 

 Colvillea, 95. 

 Comandra, 117. 

 Comarum, 97. 



COMBRETACE.E, 82, 98. 



Combretum, 98. 

 Commelina, 128. 



COMMELINACE.«, 85, 128. 



Comparettia, 123. 

 C0MPOSIT.E, 82, 103. 

 Comptonia, 118. 

 Conandron, 114. 

 Congea, 115. 

 Coniogramma, 135. 

 Conium, 101. 

 Conoclinium, 105. 

 Convallaria, 127. 

 C0NVOLVULACE.E, 83, 111. 

 Convolvulus, 111. 

 Cooperia, 124. 

 Copaifera, 95. 

 Copernica, 129. 

 Coprosma, 103. 

 Coptis, 86. 

 Corallorhiza, 122. 

 Corchorus, 90. 

 Cordia, 111. 

 Cordyline, 127. 

 Corema, 119. 

 Coreopsis, 106. 

 Coriandrum, 101. 

 Coriaria, 93. 

 C0KIARIACE.E, 82, 93. 

 C0RNACE.E, 82, 102. 

 Comus, 102. 

 Coronilla, 94. 

 Correa, 91. 

 Cortaderia, 134. 

 Cortusa, 109. 

 Coryanthes, 123. 

 Corydalis, 87. 

 Corylopsis, 98. 

 Corylua, 119. 

 Corynocarpus. 93. 

 Corynostylis, 88. 

 Coryijha, 129. 

 Corysanthes, 123. 



Corytholoma, 114. 

 Cosmos, 106. 

 Costus, 125. 

 Cotinus, 93. 

 Cotoneaster, 96. 

 Cotula, 107. 

 Cotyledon, 98. 

 Couroupita, 99. 

 Coussapoa, 118. 

 Cowania, 97. 

 Crambe, 87. 

 Craniolaria, 114. 

 Crassula, 98. 

 Crassulace.e, 82, 98. 

 Crataegus, 96. 

 Crataeva, 88. 

 Craterostigma, 113. 

 Crepis, 107. 

 Crescentia, 113. 

 Crinuni, 125. 

 Crithmum, 101. 

 Crocosmia, 124. 

 Crocus, 124. 

 Crossandra, 114. 

 Crotalaria, 94. 

 Croton, 118. 

 Crucianella, 103. 

 Crucifer.e, 80, 87. 

 Crj-ptanthe, 111. 

 Cryptanthus, 125. 

 Cryptocoryne, 132. 

 CrjT^togramma, 135. 

 Cryptolepis, 110. 

 Crj-ptomeria, 120. 

 Cryptophoranthus, 123. 

 Cryptostegia, 110. 

 Crj-ptostemma, 107 

 Cryptostylis, 123. 

 Ctenauthe, 125. 

 Cucumis, 100. 

 Cucurbita, 100. 

 CncnRBiTACE.E, 82, 100. 

 Cudrania, 118. 

 Cuminum, 101. 

 Cummingia, 125. 

 Cunila, 116. 

 Cunninghamia, 120. 

 Cunonia, 98. 

 CUNONIACE^, 82, 98. 

 Cuphea, 99. 

 Cupressus, 120. 

 Curculigo, 125. 

 Curcuma, 125. 

 Cuscuta, 111. 

 Cyananthus, 107. 

 Cyanella, 125. 

 Cyathea, 136. 

 Cyatheace,e, 85, 136. 

 CYCADACE.aE, 84, 120. 

 Cycas, 120. 

 Cyclamen, 109. 

 Cyclanthace.e, 85, 131. 

 Cyclanthera, 100. 

 Cyclanthus, 131. 

 Cyclobothra, 128. 

 Cycloloma, 116. 

 Cyclophorus, 135. 

 Cycnoches, 122. 

 Cydista, 113. 

 Cydonia, 96. 

 CjTnbidium. 123. 

 Cymbopetalum, 86. 

 CjTnbopogon, 133. 

 Cynanchum, 110. 

 Cynara, 105. 

 Cynodon, 134. 



