INDEX. 



Decurrent leaves, 453. 

 Dddoublement, 416. 

 Definite, of stamens, 360. 

 Dehiscent berry, 42Q. 

 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, i 7 note\ 



endochrome - plates, 1 7 ; 

 . habitat, 18; movement, 



18; multiplication, 18; 



resting-cells, 20. 

 Diatomin, 17. 

 Dicentra, floral diagram, 4 1 6 ; 



flower, 425. 

 Dichasiiim, 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. 

 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. 



Diptcrocarpeae, 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 noU. 

 Ectocarpus siliculosus, 6, 66, 



67. 

 Egg-apparatus, 300. 

 Elaeagnaceae, 471. 

 Elaeagnus fusca, nectaries, 



381. (Fig. 301.) 

 Elaphomyces, mycelium, 113. 



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, 81. 



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, 

 alternation of genera- 

 tions, 127; development, 

 128. 



Endosperm, 286 tjote, 299 

 note, 310, 393. 



Endosporium, 96, 143. 



Endostome, 382. 



Endothecium, 178, 368 note. 



Enteromorpha, 41. 



Entomophilous flowers, 306. 



Entomophthora, 91. 



Entomophthora radicans, 9 1 , 

 92. 



Entomophthoreae, 91. 



Entyloma, 85, 86 ; gonidia, 

 86. 



Entyloma Calendulae, 86. 



Epacrideae, 471. (Fig. 395.) 



Ephebe, n4, 124. 



Ephebepubescens, 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, £79 



tiote, 184; embi yo, 178. 

 Epibasal, 205. 

 Epicalyx, 352. 

 Epicarp, 402, 427. 

 Epigynous, 372. 



