49 8 



INDEX. 



Decurrent leaves, 453. 

 Dedoublement, 416. 

 Definite, of stamens, 360. 

 Dehiscent berry, 429. 

 Delastria, fructification, 113. 

 Delesseria, 75. 

 Delesseria sanguinea, Fig. 



47- 



Delphinella, flower, 421. 



Delphinium, flower, 424, 

 425; inflorescence, branch- 

 ing, 411. 



Delphinium consolida, 421. 



Dendroceros, 156; sexual 

 organs, 157; sporogonium, 

 157, 158. 



Dermatogen, 302, 397. 



Desmarestia, 67. 



Desmarestieae. See Ecto- 

 carpeae. 



Desmidieae, 17, 50; charac- 

 teristics and development, 

 50; relation to Zygnemeae, 

 50 and note. 



Dialypetalous, 352. 



Dianthus epicalyx, 352. 



Diaphragm (Chara), 59 ; 

 (Equisetum), 259 ; (Sela- 

 ginella), 286. 



Diatomaceae, 13, 17; apo- 

 gamy, 19 ; auxospores, 18; 

 freshwater species, 1 7 note ; 

 endochrome - plates, 1 7 ; 

 habitat, 18; movement, 

 18 ; multiplication, 18 ; 

 resting-cells, 20. 



Diatomin, 17. 



Dicentra, floral diagram, 416; 

 flower, 425. 



Dichasium, 408. (Fig. 336.) 



Dichogamy, 405. 



Diclinous, 303. 



Dicotyledons, 310, 445, 467 ; 

 adventitious shoots, 452 ; 

 branching, 451 ; embryo, 

 446, 461 ; embryo-sac, 

 460 ; floral formulae and 

 diagrams, 446, etc.; flower, 

 453 > germination, 448 ; 

 histology, 462 ; increase in 

 size, 450; leaves, 452; 

 ovules, 460 ; seed, 445 ; 

 vegetative organs, 461 ; 

 venation, 453. 

 cranum undulatum, pro- 



Ditonema, 172 ; male organs, 

 174. 



Dictamnus Fraxinella, floral 

 diagram, 419; interposed 

 members, 413. (Figs. 305, 

 306, 349.) 



Dictyostelium mocuroides, 

 development, 15, 16. 



Dictyotaceae, 65. 



Dictyuchus, 96. 



Didymium leucopus, 14 (Fig. 



7.) 



Didynamous, 359. 

 Dielytra, flower, 423. 

 Digitalis, inflorescence, 411. 

 Dilleniaceae, floral diagram, 



457- 



Dillenieae, 468. 



Dioecious, 174, 303. 



Dioon, vascular bundles, 342 ; 

 stem, 344. 



Dioscorea Batatas, vascular 

 bundles, 443. 



Dioscoreaceae, 444 ; coty- 

 ledons, 400. 



Diosmeae, 469. 



Diospyrineae, 471. 



Diphylleja, stem, 465. 



Diphyscium, protonema, 164. 



Diphyscium foliosum, 164. 



Diplomitrieae, 154. 



Diplostemony, 418. 



Dipsaceae, 472 ; epicalyx, 

 353; flower, 422 ; inflores- 

 cence, 407. 



Dipsacus fullonum, 453. 



Dipterocarpeae, 469. 



Discomycetes, 103, no; 

 fructification, 103, no. 



Diselma, 339. 



Doronicum macrophyllum, 

 Fig. 286. 



Dorsiventral inflorescences, 

 406. 



Dorstenia, flower-heads, 410. 



Dracaena, branching, 433 ; 

 cauline bundles, 308 ; clas- 

 sification, 444 ; growth in 

 thickness, 443. 



Drosera, inflorescence, 409. 



Droseraceae, 469. 



Drupe, 429. 



Dryadeae, 471. 



Dudresnaya, sexual repro- 

 duction, 80. 



Dumortiera, receptacles, 160. 



Dwarf male plants in Oedo- 

 gonium, 45. 



Ebenaceae, 471. 

 Echeveria, inflorescence, 409. 

 Ectocarpeae, 66, 68 ; thallus, 



66. 

 Ectocarpus, 65, 66, 67, 68 ; 



motile gametes, 65. 

 Ectocarpus pusillus, 66, 67 ; 



conjugation, 67 note. 

 Ectocarpus siliculosus, 6, 66, 



67- 



Egg-apparatus, 300. 

 Elaeagnaceae, 471. 

 Elaeagnus fusca, nectaries, 



381. (Fig. 301.) 



Elaphomyces, mycelium, 1 1 3. 



Elaters, 143, 151, 267. 



Elatineae, 469. 



Elodea, phyllotaxis, 435. 



Embryo (Filicineae), 205. 



Embryo-root (Dicotyledon), 

 Fig. 329. 



Embryo-sac, 299, 304, 386. 



Empetreae, 470. 



Empirical diagram, 414. 



Empusa, 91. 



Empusa Muscae, 91 ; sprout- 

 ing, 8 1. 



Enantioblastae, 444 ; empiri- 

 cal diagram, 439 ; ovules, 

 441. 



Encephalartos, roots, 319; 

 bundles in pith, 344 ; car- 

 pels, 317; leaves, 313; 

 microspores, 316; stem, 

 344; vascular bundles, 342. 



Endocarp, 402, 427. 



Endocarpon, 120, 125. 



Endocarpon pusillum, rela- 

 tion to a Lichen, 120. 



Endochrome plates (Diatom- 

 aceae), 17. 



Endogonidia, 10. 



Endophyllum, 127. 



Endophyllum Sempervivi, al- 

 ternation of generations, 

 127; development, 128. 



Endosperm, 286 note, 299 

 note, 310, 393. 



Endosporium, 96, 143. 



Endostome, 382. 



Endothecium, 178, 368 note. 



Enteromorpha, 41. 



Entomophilous flowers, 306. 



Entomophthora, 91. 



Entomophthora radicans, 91, 

 92. 



Entomophthoreae, 91. 



Entyloma, 85, 86 ; gonidia, 

 86. 



Entyloma Calendulae, 86. 



Epacridese, 471. (Fig. 395.) 



Ephebe, 114, 124. 



Ephebe pubescens, 117. (Fig. 

 78.) 



Ephedra, embryo, 341 ; em- 

 bryo-sac, 341 ; inflores- 

 cence and flowers, 340 ; 

 transition to Dicotyledons, 

 465; vascular bundles, 342, 



344- 



Ephedra altissima, Fig. 263. 

 Ephedreae, 340. 

 Ephemerum, capsule, 179 



note, 184; embryo, 178. 

 Epibasal, 205. 

 Epicalyx, 352. 

 Epicarp, 402, 427. 

 Epigynous, 372. 



