Register. 
405 
Cycas constrictus 0. Feistm. 8S. 
— Dicksoni Heer 88. 
— Lorteti Sap. 88. 
— pectinatus Berger 88. 
— Rajmahalensis Oldh. 88. 
— rectangularis Brauns 88. 
— Römeri Schenk 88. 
— Steenstrupii Heer 88. 
— zamioides Leckenby 88. 
Cycadoidea Buckl. 101. 
— megalophylla Buckl. 101. 
— microphylla Buckl. 101. 
Cyclocladia Goldbg. non Ldl. Hutt, 219. 
220 . 221 . 
Cyclocladia Ldl. Hutt. 326. 
Cyclocrinus 44. 
Cyclopitys Heerii Schmalh., Blätter 58. 
Cyclopteris 63. 127.139. 140. 143. 144. 186. 
— digitata 63. 64. 
— dilatata Ldl. Hutt. 128. 
— obliqua Brongn. 128. 
— rarinervia Göpp. 128. 
— reniformis Brongn. 128. 
— trichomanoides Brongn. 137. 
Cyclostigma Haught. 301. 
— australe 0. Feistm. 301. 
— hercynicum Weiss 301. 
— Kiltorkense Haught. 301. 
Cylindropodium Sap. 95. 96. 
— liasinum Sap. 95. 
Cymopolia 38. 40. 41. 
Cyparissidium Heer 72. 
— minimum Vel. 72. 
— pulchellum Vel. 72. 
— septentrionale Nath. 72. 
Cyperaceen 15. 
Cyrtophlebium 140. 
Cystoseirites 48. 
Czekanowskia Heer 66 If. 
Czekanowskia 198. 
Dacrydium 63. 
Hactylopora 38. 
— cribrosa Mun. Chalm. 42. 
— Eruca Carp. 40. 
Lactyloporiden 44. 
Dactylotheca Zeill. 151. 
Dadoxylon Endl. 83. 
— Hallii Daws. 85. 
— Newberryi Daws. 85. 
— Oldhamium Binney 368. 
Dadoxylon Ouangondianum Daws. 85.113. 
Dammara 55. 58. 76. 82. 
— albens Presl 58. 
— borealis Heer, Schuppen 58. 
— macrosperma Heer, Schuppen 58. 
Dammarites albens Presl 95. 
— crassipes Göpp. 95. 
Danaea 152. 153. 
Danaeeae Stur 146. 152. 
Danaeites Göpp. 152. 
— Heeri Zigno 153. 
— Saraepontanus Stur 152. 
Danaeopsis marantacea Heer 139. 153. 
Dasycladeen 38. 
Decaisnella Mun. Chalm. 40. 
Dechenia Göpp. 208. 
— Euphorbioides Göpp. 208. 
— Römeriana Göpp. 208. 
Delesserites 49. 
Desmidieen 187. 
Desmopteris Stur 150. 
Diacalpe Bl. 158. 
Diatomaceen 36. 37. 
Dicalamophyllum Altendorfense Sterz. 81. 
Dichoneuron Hookeri Sap. 142. 144. 
Dichopteris Zigno 89. 
Dicksonia 160. 
— Buvignieri Ren. 170. 171. 
— Saportana Heer 160. 
Dicotyledonen 288. 
Dicotylen 289. 381. 
Dicranophyllum Grand’ Eury 67. 68. 
Dictyolithes Beckii Hall. 50. 
Dictyophyllum Ldl. Hutt. 157. 
— rugosum Ldl. Hutt. 142. 
Dictyophyteae 51. 
Dictyophyton 51. 
Dictyopteris Gutb. 141. 142! 
Dictyothalamus Göpp. 126. 
— Schrollianus Göpp. 133. 
Dictyoxylon Will. 8. 223. 224. 253. 259. 
260. 262. 291. 368. 369—373. 
— Oldhamium Will. 371. 
Dictyozamites Oldh. 142. 
Didymochlaena 134. 
Didymophyllum Schottini Göpp. 208. 292. 
Dioon 92. 
Diplazites Göpp. 141. 148. 
Diplopora annulata Gümb. 42 ff. 
Diplotesta Brongn. 122. 
Diplotmema Stur 136. 159. 
— geniculatum Stur 160. 
