INDEX. 



Abies, bilateral development, 

 321 note ; branching, 320; 

 classification, 339; cone, 

 328,339; leaves, 321; male 

 Howers, 325 ; pollen-sac, 

 325. 



Abies canadensis, 333. (Fig. 

 260.) 



Abies excelsa, 321, 322. 



Abies pectinata, 321 and note, 

 322, 328, 339. (Figs. 254, 



257.) 



Abietineae, archegonium, 

 333; archesporium, 322; 

 female flowers, 328 ; fer- 

 tilisation, 335; floral axis, 

 323 ; flowers, 322 ; male 

 flowers, 324; ovules, 331; 

 pollen-grain, 325 ; pollina- 

 tion, 325; classification, 



339- 



Acacieae, pollen-grains, 369. 



Acanthaceae, 471. 



Acanthus, endosperm, 461. 



Acarospora, spores, 123. 



Acer, embryo, 447; fruit, 4 2 7, 

 428 ; polygamy, 347 ; seed, 

 392 ; winged seeds, 430. 



Acerineae, floral diagram, 

 456; flower, 423; classifi- 

 cation, 469. 



Acetabularia, 28, 29, 30. 



Achene, 428. 



Achlya, 96 ; asexual propa- 

 gation, 97 ; sexual propa- 

 gation, 99. (Fig. 60.) 



Achlya lignicola, Fig. 61. 



Achlya polyandra, 99 ; ger- 

 mination, 99. 



Achlya prolilera, 99. (Fig. 



59-) 



Achlya spinosa, 99 ; germi- 

 nation, 99. 



Aconitum, floral formula, 

 420; flower,42i,424,425; 

 nectary, 307, 35 1 ; perianth, 

 350. 



Acrocarpous Mosses, 1 74. 

 Acrogynous (Jungerman- 



nieae), 154. 

 Acropetal succession on floral 



axis, 348 note. 

 Acrosticheae, 227 ; sporangia, 



217. 



Acrostichum, 227 ; sporan- 

 gia, 217. 



Acrostichum crinitum, 216. 



Actinomorphous, 423. 



Actinostrobus, 339. 



Acyclic flowers, 412, 454. 



Adiantum, 227. (Fig. 168.) 



Adiantum Capillus-Veneris, 

 Figs. 150, 152, 154, 155. 



Aecidia, 126, 127, 128. 



Aecidiomycetes, 13. See also 

 Uredineae. 



Aecidiospores, 83, 126. 



Aecidium, 126. 



Aecidium Berberidis, 127, 

 128, 129. (Figs. 85, 86.) 



Aecidium Euphorbiae Cy- 

 parissiae, 128. 



Aecidium Leguminosarum, 

 127, 128. 



Aecidium slatinum, 128. 



Aecidium Tragopogonis, 128. 



Aegopodium Podagraria, 85. 



Aesculineae, 469; floral dia- 

 gram, 456. 



Aesculus, embryo, 447, Fig. 

 396; flower, 426; fruit, 

 429; seed, 392, 446. 



Aethalium, term as used by 

 Rostafinski, 16 note. 



Aethalium septicum, 15. 



Agaricus, hymenium, 132. 



Agaricus campestris, velum, 

 133; tissues, 134. (Figs. 

 89, 90.) 



Agaricus melleus, 81, 82 ; 

 sclerotia, 136. 



Agaricus variecolor, velum, 

 133. (Fig. 88.) 



Agarum (Laminarieae), 69. 



Agave, branching, 433; phyl- 

 lotaxis, 435 ; style, 379. 



Agave Americana, 44, 368. 



Aggregate fruit (syncarp), 

 427. 



Agrimonia Eupatoria, Fig. 

 404. 



Agrimonia odorata, 418. 

 (Figs. 348, 404.) 



Ajuga reptans, 40. 



Akebia, ovule, 305. 



Akebia quinata, Fig. 267. 



Alchemilla, style, 379. 



Aldrovandus, vascular bun- 

 dles, 462. 



Algae, 26, 27. 



Alisma, bracts, 435; floral dia- 

 gram, 418 ; perianth, 440 ; 

 venation of leaves, 438. 



Alisma Plantago, 398 ; floral 

 formula, 420. (Figs. 330, 

 332.) 



Alismaceae, embryo-sac, 441; 

 empirical diagram, 439 ; 

 floral diagram, Fig. 370 ; 

 flower, 438 ; gynaeceum, 

 440 ; seed, 430. 



Allium, bulbils, 435 ; fila- 

 ment, 355; ligule, 436; 

 plumule and stem, 431 ; 

 vascular bundles, 441. 



Allium Cepa, 453. (Figs. 

 331, 362, 363.) 



Allium odorans, 441. 



Allosurus, indusium, 217. 



Almond, Fig. 380. 



Alnus, pollen-tubes, 367. 



Aloe, branching, 433; classi- 

 fication, 444 ; growth in 

 thickness, 443 ; phyllo- 

 taxis, 435 ; primary stem, 

 432. 



Aloe subtuberculata, 38?. 



Alopecurus, 407. 



Alpinia, Fig. 368. 



Alsineae, pollen-tube, 367 ; 

 classification, 468. 



