188 



MIDDLESEX PLOEA. 



Cuscuta, 78. 

 Cut Grass, 124. 

 Oylindrospermum, 165. 

 Cylindrothecium, 148. 

 Cynoglossum, 76. 

 Cyperacese, 111. 

 Cyperus, 111, 175. 

 Cypripedium, 104. 

 Cystopteris, 137. 



Dactylis, 130. 

 Daisy, 49. 

 Dalibarda, 32. 

 Dandelion, 59. 

 Dangleberry, 61. 

 Danthonia, 128. 

 Daphne, 89. 

 Darnel, 133. 

 Datura, 79. 

 Daucus, 40. 

 Day Lily, 109. 

 Dead-nettle, 73. 

 Delesseria, 153. 

 Delphinium, 3. 

 Dentaria, 6. 

 Deschampsia, 128. 

 Desmidiese, 159. 

 Desmidium, 159. 

 Desmodiura, 27. 

 Dewberry, 32. 

 Deyeuxia, 127. 

 Dianthus, 13. 

 Dicentra, 5. 

 Dichelyma, 145; 

 Dicksonia, 137. 

 Dicranella, 140. 

 Dicranum, 140. 

 Dlervilla, 43. 

 Dioscorea, 106. 

 Dioscoreaceae, 106. 

 Diphyscium, 145. 

 Diplachne, 129. 

 Diplopappus, 48. 

 Dirca, 89. 



Distichlys, 130. 

 Ditch-grass, 99. 

 Docidium, 161. 

 Dock, 88. 

 Dodder, 78. 

 Dodecatheon, 65. 

 Dogbane, 81. 

 Dog's-tail Grrass, 128. 

 Dog's-tooth Violet, 108. 

 Dogwood, 21, 42. 

 Draba, 8. 

 Dragon-head, 73. 

 Drapamaldia, 156* 

 Drop-seed G-rass, 126. 

 Drosera, 12. 

 Droseracese, 12. 

 Drummondia, 142. 

 Duckweed, 98. 

 Dulichlum, 112. 

 Dulse, 153. 



Dutchman's Breeches, 5. 

 Dwarf Dandelion, 57. 

 Dyer's Weed, 23. 



Eatonia, 129. 

 Echinacea, 51. 

 Echinocystis, 40, 

 Echinodorus, 101. 

 Echinospermum, 75. 

 Echium, 74. 

 Ectocarpus, 155. 

 Eel-grass, 99, 102. 

 Elatinacese, 13. 

 Elatine, 13. 

 El(Jer, 44. 

 Elecampane, 51. 

 Eleocharis, 112. 

 Eleusine, 128. 

 Elm, 91. 

 Elodea, 13. 

 Elodes, 13. 

 Elymus, 134. 



Enchanter's Nightshade, 37 

 Endocarpon, 173. 



