INDEX. 



493 



Archidium, archesporium, 

 179; calyptra, 177; cap- 

 sule, 177, 185; embryo, 

 178, 180; seta, 177 ; spore, 

 177, 1 86 ; sporogonium, 

 143, 144. 



Archidium phascoides, Figs. 

 140, 141. 



Arcyria incarnata, fructifica- 

 tion, 14. (Fig. 7.) 



Aril, 305, 382, 430 note. 



Arisarum vulgare, 28. 



Aristolochia, anthers, 354 ; 

 perianth, 349 ; protogyny, 

 405. 



Aristolochia Sipho, 451. 



Aristolochiaceae, 472 ; en- 

 dosperm, 460 ; gynoste- 

 miuin, 359. 



Armeria vulgaris, endosperm, 



399- 



Arnoldia, 125. 



Aroideae, embryo-sac, 44 i ; 

 endosperm, 441, 444 ; 

 floral envelope, 349 ; 

 flower, 399, 439; inflores- 

 cence, 406, 407 ; leaves, 

 436, 437 ; ovules, 441 ; 

 pollen, 405 ; spathe, 353 ; 

 vascular bundles, 443 ; 

 venation, 435. 

 Arthonia, 1 19. 

 Arthonia punctiformis, 119. 

 Arthonia vulgaris, 119. 

 Arthropitys, 272 note. 

 Arthrotaxis, 339. 

 Artocarpeae, 468. 

 Arum maculatum, pollina- 

 tion and fertilisation, 390. 

 Asarineae, endosperm, 460. 

 Asarum, floral formula, 459. 

 Asarum canadense, Fig. 



268. 



Asclepiadaceae, 471. 

 Asclepiadeae, anthers, 369; 

 inflorescence, 411 ; fila- 

 ment, 354, 355 5 fruit, 

 428 ; seed, 445 ; stigma, 

 380. 



Asclepias syriaca, 430, 451. 

 Ascobolus, sporocarps, 9. 



(Figs. 6, 63.) 

 Ascobolus furfuraceus, no, 



in. (Fig. 68.) 

 Ascobolus pulcherrimus, 112. 

 Ascogone,ioo, 101, no, 121. 

 Ascomycetes, 13, 100; affini- 

 ties and characteristics, 

 100, 101 ; alternation of 

 generations, 9 ; apogamy, 

 102 ; archicarp, 8 ; asexual 

 reproduction, 103 ; divi- 

 sion, 103 ; fructification, 

 102, 103 ; place in system, 



84 ; sexual reproduction, 

 101, 102 ; spermatia, 104 ; 

 spores, 103. 



Ascospore, IOT, 103. 



Asexual reproductive organs, 

 10. 



Asphodelus luteus, aril, 382. 



Aspicilia calcarea, 119. 



Aspidieae, 227. 



Aspidium, 200. 



Aspidium cariaceum, Fig. 

 178. 



Aspidium decussatum, Fig. 

 159. 



Aspidium falcattim, apogamy, 

 206. 



Aspidium Filix-femina, Fig. 

 162. 



Aspidium Filix-mas, adventi- 

 tious buds, 212; apical 

 cell, 210 ; branching, 211 ; 

 fundamental tissue, 220; 

 phyllotaxis, 211 ; prothal- 

 lium, 200 ; roots, 208, 214; 

 stem, 208. (Figs. 158, 163, 

 164, 166, 177.) 



Aspidium Filix-mas, var.cris- 

 tatum, apogamy, 206, 207. 



Asplenieae, 227. 



Asplenium, 227. 



Asplenium alatum, antheri- 

 dial cell, 202 note. 



Asplenium decussatum,buds, 

 213. 



Asplenium furcatum, adven- 

 titious buds, 212,213. 



Asplenium Trichomanis, Fig. 

 165. 



Asterophyllites, 193, 195, 

 273. 



Astragalus, fruit, 427 ; ovary, 



374- 

 Astrapaea, pollen-tube, 367. 



Astrocarpus, ovule, 384 ; 



flower, 422. 

 Atalanthera, floral diagram, 



416. 



Athcrurus, 437. 

 Atherurus ternatus,gemmae, 



434- 

 Athyrium Filix-femina, var. 



clarissima, 208, note 2. 

 Atrichum,underground bud?, 



172; rhizoids, 170; stem, 



167. 

 Atrichum (Catharinea) un- 



dulatum, Fig. 121. 

 Aulacomnion, scale-leaves, 



168. 

 Aulacomnion androgynum, 



gemmae, 174. 

 Aulophyte, 28 note. 

 Autoecious, of parasites, 128. 

 Auxospores( Diatoms), 18,19. 



Avicennia, stem-structure, 

 466. 



Axial placentation,376,wo/<"i. 



Axillary ovules, 385 note. 



Azolla, embryo, 233, 234; 

 macrospore, 239 ; prothal- 

 lium, 232 ; roots, 235, 

 236 ; secondary growth, 

 234 ; sporangia, 237, 238 ; 

 sporophyte, 191 ; sporo- 

 carp, 237. 



Bacillariaceae. See Diatoma- 



ceae. 



Bacillus, 25. 



Bacillus Amylobacter, 26. 

 Bacillus subtilis, 26. 

 Bacillus Ulna, 26. 

 Bacteria, 24. 

 Bacteria, Ray Lankester on 



Cohn's genera, 25 note. 

 Bacterium, 25. 

 Bactrospora, 123. 

 Balanophoreae, 12,472; em- 

 bryo, 446, 461 ; embryo- 

 sac, 460; ovules, 385,460. 

 Balantium, 227. 

 Balsamineae, 469 ; floral dia- 

 gram, 419, 456. 

 Bambusa, floral diagram, 



419; flower, 439. 

 Bangia, 74; sexual repro- 

 duction, 77. 

 Bangiaceae, 77 ; freshwater 



species, 77 and note. 

 Bangieae, fertilisation, 7. 

 Barbula, peristome, 188; 

 vegetative propagation, 

 171. (Figs. 123, 124.) 

 Barbula aloides, stem, 167 ; 



leaf-hairs, 168. 

 Barbula muralis, rhizoid- 



buds, 172. 



Barbula ruralis, Fig. 118. 

 Bark, 309, 463. 

 Bartramia, stem, 167. 

 Basidia, 83, 132. 

 Basidiomycete in a Lichen, 



82. 



Basidiomycetes, 13, 131 ; 

 development, 135, 136; 

 division, 132 ; fructifica- 

 tion, 131 ; gonidia, 83, 131, 

 132; habitat, 132; place 

 in system, 84 ; spores, 

 131, 132. 



Basidiospores, 131. 

 Batrachospermum, 74 ; ger- 

 mination, 75 ; habitat, 76 ; 

 spermation, 76. 

 Bauhinia, stem, 466. 

 Beggiatoa, 25. 

 Beggiatoa alba, 25. 

 Begonia, stem, 465. 



