140 



INDEX TO KEY OF FAMILIES AND GENERA 



Cynoglossuiii, 111. 

 C>-norchis. 121. 

 Cj'iiosunis, 134. 

 CjTx-lla, 124. 

 Ctper.\ce.e, 85, 133. 

 C>-perorchis, 123. 

 Cj-perus, 133. 

 Cyphomaiidr.1. 112. 

 C>-phokeiiti!i. 131. 

 Cj-phophciMiix. 130. 

 Cj-phosperuiii, 130. 

 Cj'pripedium, 121. 

 Cjrilln. 91. 

 Ctrili..\cej!, si, 91. 

 CjTtandra, 114. 

 Cyrtanthus. 124. 

 C>Ttocarpa, 92. 

 CjTtoniium, 136. 

 C>Ttopodiuni, 122. 

 Cyrtospemia, 131. 

 Cyrtostachys, 130. 

 Cystopteris, 136. 

 Cj-tisus, 94. 



DabcDcia. 108. 

 Dactylis, 134. 

 Dactyloctenium, 134. 

 Daedalacanthus, 114. 

 Dffimouorops, 129. 

 Dahlia, 106. 

 Dais, 117. 

 Dalbergia, 94. 

 Dalea, 95. 

 Dalechampia, 119. 

 Dalibarda, 97. 

 Damnacanthus, 103. 

 Danae, 126. 

 Daniea. 135. 

 Daphne, 117. 

 Daphniphyllum, 118. 

 Darlingtonia, 87. 

 Dasjlirion, 127. 

 Datisca, 85. 

 Datiscace^, 85. 

 Datura, 112. 

 DauciLs, 101. 

 Davallia. 136. 

 Davidia, 102. 

 Debregeasia, 118. 

 Decaisnea, 87. 

 Decodon, 99. 

 Decumaria, 97. 

 Deeringia, 116. 

 Deinanthe, 98. 

 Delarbrea, 101. 

 Delavaya, 92. 

 Delphinium, 86. 

 Dendrobiuni, 123. 

 Dendrocalamus, 134. 

 Dendromecon, 87. 

 Dcnnstsedtia, 130. 

 Dentaria, 88. 

 Deparia, 130. 

 Derri.s, 94. 

 Deschampsia, 1.34. 

 Desmanthus, 95. 

 Dcsmazeria, 1.34. 

 Desmodium, 94. 

 Desmoncus, 131. 

 Deutzia, 97. 

 Diacrium, 122. 

 Diandrolyra, 134. 

 Dianella, 127. 

 Diaiithera, 114. 

 Dianthus, 89. 

 Diapensia, 109. 



DIAPENSIACE.E, S3, 109. 



Diascia, 112. 

 Dicentra, 87. 

 Diohorisandra, 128. 

 Diohroa, 97. 

 Diohrostaehys, 95. 

 Dic'ksoiiia, 136. 

 Dicliptera, 114. 

 Dictaniuus, 91. 

 Dictyospenna. 130. 

 Dicyrta. 113. 

 DidjTiiocIiIsena, 136. 

 Did>Tii().sperma, 130. 

 Dieffenbachia, 131. 

 Dieraina, 124. 

 Dicrvilla, 102. 

 Digitalis, 113. 

 Dillenia, 86. 



DiLLENIACE.E, 80, 86. 



Diniorphotheca, 107. 

 Dioclea, 94. 

 DionEea, 98. 

 Dioon, 120. 

 Dioscorea, 123. 

 DiOSCOREACE.E, 84, 123. 

 Diosma, 91. 

 Diospyros, 109. 

 Diostea, 115. 

 Dipeadi, 128. 

 Dipelta, 102. 

 Diphylleia, 87. 

 Diphysa, 95. 

 Dipidax, 128. 

 Dipladenia, 111. 

 Diplarrhena, 124. 

 Diplazium, 136. 

 Diploglottis, 92. 

 Diplolsena, 91. 

 Diplothemium, 129. 

 DiPSACACE.E, 82, 103. 

 Dipsacus, 103. 

 Dipteronia, 92. 

 Dirca, 117. 

 Disa, 121. 

 Disanthus, 98. 

 Disocactus, 100. 

 Disporum, 128. 

 Dissotis, 99. 

 Distichlis, 134. 

 Disticti.s, 113. 

 Distylium, 98. 

 Diuris, 123. 

 Dizygotheca, 102. 

 Docynia, 96. 

 Dodecatheon, 109. 

 Dodoncea, 92. 

 Dolichos, 94. 

 Dombeya, 90. 

 Doodia, 136. 

 Dorema, 101. 

 Doronicum, 107. 

 Dorstcnia, 118. 

 Doryalis, 88. 

 Doo'anthes, 125. 

 Doryoptcris, 135. 

 Dossinia, 122. 

 Douglasia, 109. 

 Downingia, 107. 

 Draba, 88. 

 Dractena, 127. 

 Dracoceph;ilMm, 115. 

 Draoontiuni, 131. 

 DrafiinfuluH, 131. 

 Drimia, 128. 

 Drimys, 86. 

 Drosera, 98. 



Droserace.b, 82, 98. 

 Drosophyllum, 98. 

 Dryas, 97. 

 Drynioglossum, 135. 

 Drymophlanis. 130. 

 Drynaria, 135. 

 Dryopteris, 136. 

 Drypetes, 118. 

 Duchesnea, 97. 

 Dudleya, 98. 

 Duguetia, 86. 

 Dulichium, 133. 

 Duranta, 114. 

 Durio, 90. 

 Duvalia, 110. 

 Duvernoia. 114. 

 Dyckia, 126. 

 D.vpsis, 130. 

 Dyschoriste, 114. 



Ebenace^, 83, 109. 

 Ebenus, 95. 

 Ecballium, 100. 

 Eccremocarpus, 113. 

 Echeveria, 98. 

 Echidnopsis, 110. 

 Echinacea, 106. 

 Echinocactus, 100. 

 Echinocereus, 101. 

 Echinochloa, 133. 

 Echinocystis, 100. 

 Echinopanax, 102. 

 Echinops, 105. 

 Echinopsis, 101. 

 Echinostachys, 126. 

 Echit.es, 111. 

 Echiuni, 111. 

 Edgeworthia, 117. 

 Ehretia, 111. 

 Eichhornia, 128. 

 El.eagnace.«, 84, 117. 

 Elceagnus, 117. 

 Elaeis, 129. 



EL.EOCARPACE.E, 81, 90. 



El£eocari)us, 90. 

 EliBodendron, 92. 

 Elaphoglossum, 135. 

 Eleocharis, 133. 

 Elettaria, 125. 

 Eleusine, 134. 

 Eleutherine, 124. 

 Elliottia, 108. 

 Elodca, 120. 

 Elsholtzia, 116. 

 Elymus, 134. 

 Emilia, 107. 

 Emnienanthc, 111. 

 Emmcnopterys, 103. 



EMPETRACE.E, 84, 119. 



Empetrum, 119. 

 Eneelia, 106. 

 Encephalarto.s, 120. 

 Enkianthus, 108. 

 Ennealophus, 124. 

 Entada, 94. 

 Entelia, 90. 

 Enterolobium, 93. 

 Eomecon, 87. 



EPACRIDACE.E, 83, 108. 



Epacris, 108. 

 Ephedra, 120. 

 Epidendruni, 122. 

 Epiga-a, 108. 

 Epilohium, 99. 

 Epimcdiuin, 87. 

 Epipacti-s, 122. 



Epiphyllanthus, 101. 

 Epiphyllum, 100. 

 Epipremnum, 132. 

 Episcia, 114. 

 EquisetacejE, 85, 135. 

 Equisetum, 135. 

 Eragrostis, 134. 

 Eranthemum, 114. 

 Eranthis, 86. 

 Eremocitrus, 91. 

 Eremospatha, 131. 

 Eremostachys, 116. 

 Eremurus, 127. 

 Eria, 123. 

 Erianthus, 133. 

 Erica, 108. 

 ERICACE.E, 83, 108. 

 Erigenia, 101. 

 Erigeron, 105. 

 Erinacea, 94. 

 Erinus, 113. 

 Eriobotrya, 96. 

 Eriocephalus, 106. 

 Eriochilus, 123. 

 Eriogonum, 117. 

 Eriophorum, 133. 

 Eriophyllum, 106. 

 Eriopsis, 123. 

 Eriostenion, 91. 

 Eriangea, 107. 

 Erodium, 90. 

 Eruca, 87. 

 Eryngium, 101. 

 Erysimum. 88. 

 Erythea. 129. 

 Erythraja, 110. 

 Erj'thrina, 95. 

 Erythronium, 128. 



ERYTHROXYLACE.E, 81, 90. 



Erythroxylon, 90. 

 E.scallonia, 97. 

 Eschscholtzia, 87. 

 Escontria, 101. 

 Eucalyptus, 98. 

 Eucharidium, 99. 

 Eucharis, 125. 

 Euchla'na, 133. 

 Eucnide, 100. 

 Eucomis, 128. 

 Eucommia, 86. 

 EUCOMMIACE.E, 80, 86. 

 Eucryphia. 89. 

 EtlCRYPHIACE^, 81, 89. 

 Eugenia, 99. 

 Eulophia, 122. 

 Eulophiella, 122. 

 Eupatorium, 105. 

 Euphoriiia, 119. 



EUPHORBIACE.E, 84, 118. 



Euphoria, 92. 

 Euptelea, 86. 

 Eurya, 89. 

 Euryalo, 87. 

 Eurydes, 125. 

 Euryops, 107. 

 Euscaphis, 92. 

 Eustrephus, 126. 

 Eutaxia, 95. 

 Euterpe, 130. 

 Evodia, 91. 

 Evonymus, 92. 

 Exacum, 110. 

 Excceearia, 1 19. 

 Exochorda, 96. 

 Exorrhiza, 131. 

 Exostemma. 103. 



