INDEX 



351 



Corynepteris Essenghi, sorus of, 250 (Fig. 



245) 

 Cotyledon, 311, 344 

 Cover-cell, 286 



Covering of scales, 42 (Figs. 47, 48) 

 Creeping habit, 32, jil 

 Crested state related to sexual irregularity, 



■^2)2) ; varieties, 331 

 Criteria of comparison, 59 

 Cushion, 273 

 Cutting of leaf-blade, 83 

 Cyathea dealbata^ double-headed specimen 

 of, Frontispiece 

 C. Imrayatia^ 156 (Fig. 150) 

 C. meduUaris^ bifurcated trunk of, 158 



(Fig. 152) 

 C. Schansin^ 34 (Fig. 40) 

 Cyatheaceae, 54 



Cylindrical processes, 284 (Fig. 275) 

 Cystopteiis bulbifera^ adventitious buds of, 

 72 (Fig. 66) 



C. fragihs, scale or ramentum of, 201 

 > (Fig. 189) 



Danaea, scales of, 201 ; synangia of, 249 



D. alata, 226 (Fig. 221) 

 Davallia Griffithiaiia, 215 (Fig. 208) 



D. speluticae^ petiole of, 166 (Fig. 159) 

 Dehiscence, slit of, shifting of, 256 

 Delay of certain parts, 314 

 Dendroid habit, 30 ; types, 29 

 Deimstaedtia^ rhizomes of, 152 (Fig. 144) 

 D. apiifoHa, sorus of, 255 (Fig. 252) 

 D. dissecta, 221 (Fig. 215) 

 D. rtibiginosa, sorus of, 215 (Fig. 208) 

 Deparia Moorei^ sori of, 225 ; starved, 179 



(Fig. 172) 

 Dermal appendages, 61 ; tissues, 195 

 Dichopodial branching, 89 

 Dichopodium, 76, -^-^l ; scorpioid, 88 

 Dichotomous terminal branching, 337 

 Dichotomy, 69, 79, 86, 158 (Fig. 152); equal, 



90 ; of meristele of Schizaea dickotoma, 



172 (Fig. 166); of rhizome, 69 (Fig. 61); 



sympodial, 91 

 Dicksonia Scheidei^ young sorus of, 218 



(Fig. 211), 219 (Fig. 212) 

 Dictyosteiic stem of Ferns, 155 (Fig. 149) 

 Dictyostely, 147 

 Dictyo-xylic ring, 133 

 Dififerentiation of leaves, 49 

 Diffusing surface, area of, 178 

 Dimorphic leaves, 46 (Fig. 53) 

 Diplodesmic condition, 233 

 Diploid generation, 323; sporophyte, 21 

 Diplolabis Ronieri, 82 (Fig. l^s) 

 Dipterid-derivatives, 232 

 Dipteris, two-rowed segmentation of, 246 

 D. coiijugaia, young sori of, 216 (Fig. 209) 

 D.Lobbiaiia, fertile pinna of, 227 (Fig. 



222) 

 Disintegration of fusion-sorus, 230 (Fig. 



228); of stele, 135, 157, 189 (Fig. 180), 



191 

 Distal region of wall, 252 

 Divergence, two-fifths, 68 

 Divergent unit, 168 

 Dorsiventral and dichotomous rhizome of 



Lygodiuin scandeiis, 67 (Fig. 58); 



rhizome of Polypodiuni vtilgare, 67 



(Fig. 57 bis) 

 Dorsiventrality of shoot, 67 

 Drymoglossum subcordatum^ 42 (Fig. 49) 

 Drynaria^ 46 (Fig. 53) 



D. Filix-mas, Rich. (Male Shield Fern), 



I, 26; adult plant of, 26 (Fig. 31) 

 D. IJtmaeana, rhizome of, 27 (Fig. 32) 

 D. vivipara^ extra-marginal type of pinna- 

 supply in, 172 (Fig. 168) 



Early methods of classification, 57 



Ectophloic condition, 141 



Embryo, 19 (Fig. 24), 298 ; as a living 

 whole, 300; cellular segmentation of, 

 314; encapsulation of, 2,A3;oiAdiantmn, 

 20 (Fig. 25) ; of Botrychium Lte?iaria, 

 306 (Fig. 292) ; of ffelininihostachys, 

 304 (Fig. 288) ; of Maa-oglossum, 303 

 (Fig. 287); of Marattiaceae, 303 (Fig. 

 286) ; old, of Botrychium Lunaria, 307 

 (Fig. 293); parts of, origin of, 311; 

 parthenogenetic, of Marsilia Driim- 

 viondii, 325 (Fig. 303) ; polarity of, 300, 

 313; rotation of, 312; segmental cleav- 

 ages in, 299 ; segmentation of, 301 (Fig. 

 284) 



Embryological method, 299 



Embryology based upon cell-cleavages, 299; 

 endoscopic, 309 ; exoscopic, 309 ; of 

 sporophyte, 63; theoretical problem 

 in, 298 



Embryonic cell, 300 



Encapsulation of embryo, 343 



Endodermis, 5, 138, 180, 185 ; as physio- 

 logical barrier, 181 ; cells of, 186 (Fig. 

 177); continuity of, 143; internal, 130, 

 131, 133; involution of, 145; oi Hel- 

 Tniftthostackys zeylattica, 181 (Fig. 173) 



Endoscopic embryology, 309 



Epibasal hemisphere, 19, 311 ; tier, 301 



Epiphytic Ferns, 43, 44; habit, 35, 45, 46 

 (Fig. 53); Nest Fern, 45 (Fig. 52) 



Equal dichotomy, 90 



Equisetoid hairs of Botryopteris forensis, 

 199 (Fig. 187) 



Eusporangiate Ferns, 242, 244; Ferns, 

 segmentation in, 1 1 1 ; sporangium, 270 



Exoscopic embryology, 309 



Exospore, 261 (Fig. 257) 



Extra-axillary buds, 70 



Extra-marginal pinna-trace, 173; type of 

 pinna-supply, in Dryopteris vivipara, 

 172 (Fig. 168) 



Extrastelar pith, 188 



