INDEX 
Ascobolus, 73. 
Ascocarp, 70, 71, 72, 73, 75, 76. 
Ascogenous hyphae, 72, 73. 
Ascogonium, 73. 
Ascomycetes, 70. 
Ascospores, 70, 72, 73, 76, 77. 
Ascus, 70, 72, 73, 76, 77, 78, 80. 
Ash, 412, 415. 
Aspcrgillus, 74. 
Aspidium, habit and sporangia, 163; game- 
tophyte, 166. 
Assimilation, 364, 401. 
Atrichum, leaf cells, 450. 
Atropin, 415. 
Auriculariales, 86. 
Autobasidiomycetes, 86. 
Autonomic movements, 453. 
Autotrophic plants, 362, 380. 
Auxiliary cells, Polysiphonia, 59, 60. 
Auxospores, 53. 
Azolla, 171, 172, 173, 174, 175. 
Bacillus, ii. 
Bacteria, 10, 11; aerobic, 13 ; anaerobic, 13 ; 
iron, 14 ; nitrifying, 13 ; nitrogen, 13 ; 
pathogenic, 13 ; saprophytic, 13 ; sulphur, 
14. 
Bark, loss of, 355. 
Basidiomycetes, 80. 
Basidiospore, 80, 83, 8g. 
Basidium, 80, 82, 83, 8g. 
Batrachospermum, 57. 
Bennettitales, 185. 
Bcnnettites, strobilus and seed, 1 5p. 
Bilabiate flowers, 282. 
Biophores, 291. 
Biophytum, records of responses, 42$* 
Black fungi, 76. 
Black knot, 76. 
Black mold, 67. 
Bleeding, 332, 334. 
Blepharoplast, 200, 211. 
Blue-green algae, 4. 
Blue mold, 74. 
Body cell, IQQ, zoo, 211, 215, 217, 224, 
235- 
Bog mosses, no. 
Boletus, 88. 
Botrychium, 149; habit, 750 ; gametophyte 
and archegonium, 154. 
Botrydium, 33, 34. 
Bowenia, 102. 
Box elder, section of stem, 245. . 
Branches, fall of, 355 ; ori.ntfn of, 415. 
Brown algae, 44. 
Brucin, 415. 
Bryales, 115. 
Bryophytes, 92. 
Bulbochaete, 30, 31. 
Butyric fermentation, 411. 
Caffein, 415. 
Callus, 419. 
Calymmatotheca, 184. 
Calyptra, 95, 97, 100, 113, n8. 
Calyptrogen, 247. 
Calyx, 252. 
Cambium, 150, 192, 243, 249. 
Campanales, 282. 
Campylotropous ovule, 261, 262. 
Canna, megasporangium, 26 3. 
Capillarity, and ascent of water, 349. 
Capillitium, puffballs, 90 ; slime molds, 3. 
Capsella, embryo, 272, 273. 
Capsule, liverworts, 100, 103, 105, 108, IOQ; 
mosses, 113, 114, 115, 118, IIQ, 120; 
ferns, 164. 
Carbohydrates, 358, 374. 
Carbon assimilation, 363. 
Carbon dioxid, admission of, 365; as raw 
material, 364. 
Carnivorous plants, 386. 
Carotin, 367, 368. 
Carpel, 260. 
Carpogonium, 56, 57, 59, 60. 
Carpospore, 56, 57, 59, 60. 
Catabolism, 402. 
Catalysis, 399. 
Catalyst, 399. 
Catkin, 279. 
Cell, organs, 207; role of living, 351 ; wall. 
207, 298, 306. 
Cellulose, 299, 359; "reserve," 390. 
Central body, blue-green algae, 5. 
Central cylinder, 1 24. 
Centripetal succession, flowers, 256. 
Ceratozamia, megasporophyll, 197. 
Chaetophora, 26. 
Chalaza, 266, 269. 
Chalazogamy, 268. 
Chantransia, 58. 
Chara, apical cell, 42; habit, 41; sex organs. 
43- 
Charales, 41. 
Chemical stimuli, 438. , 
Chemotaxy, 447. 
Chemotropism, 473 ; fungi, 473 ; pollen 
tubes, 474. 
Chlamydomonas, 15. 
Chlamydospore, 81. 
Chlorenchyma, 366. 
Chlorophyceae, 15. 
Chlorophyll, 2, 367. 
Chlorophyllin, 367. 
Chloroplast, 207, 366, 376, 450. 
Chlorovaporization, 330. 
