INDEX. 



Absorption, 13 



Aceraceae (A-cer-a ce-ae), 273, 

 275, 298 



Acer saccharinum (A'cer sac- 

 cha-ri'num), 275 



Adder tongue, formation of 

 flower, 349 



Adiantum (A-di-an'tum), 169, 173 



Adiantum concinnum, spermato- 

 zoids of, 181; embryo, 184, 185 



Adiantum cuneatum, fertiliza- 

 tion, 182; embryo, 186 



^Ecidiospore (^E-cid'i-o-spore), 



131 



^Ecidium (^E-cid'i-um), 132 

 ^Esculinae (^Es-cu-lin'ae), 273, 297 

 Agaricus campestris (A-gar'i- 



cus cam-pes'tris), 136, 326-331 

 Agaricus melleus, 338 

 Aggregatae, 290, 299 

 Alga, Algae, 2 

 Alismaceae (A-lis-ma'ce-ae), 254, 



255 



Alisma plantago, 254 

 Amanita phalloides (Am-a-ni'ta 



phal-loi'des), 334, 335 

 Almond (family), 276 

 Amygdalaceae (A-myg-da-la'- 



ce-ae), 276, 295, 298 

 Anemophilous, 353 

 Angiosperms, comparative table 



of, 238 

 Angiosperms, morphology of, 



221-236 



Antheridiophores, 145 

 Antheridium, of vaucheria, 107; 



cedogonium, 101, 102; coleo- 



chaete, 112; saprolegnia, 123; 



erysiphe, 138; liverworts, 141, 



145, 146; mosses, 160, 161; 



ferns, 180, 181; selaginella, 



194; isoetes, 198 

 Antipodal cells, 231, 233 

 Apogamy, 245 



Apogeotropic (Ap-o-ge-ot'ro- 

 pic), 83 



Apogeotropism (Ap-o-ge-ot'ro- 

 pism), 83 



Apospory, 245 



Apple, 276 



Araceae (A-ra'ce-ae), 257, 294, 296 



Archegonia (Ar-che-go'ni-a) of 

 liverworts, 141, 142, 155, 156; 

 mosses, 160, 161; ferns, 176, 

 181, 182; selaginella, 195; iso- 

 etes, 198; gymnosperms, 210,211 



Archegoniophore, 147 



Archesporium (Ar-che-spor'i- 

 um), 153, 239 



Arisaema triphyllum (Ar-i-sae'ma 

 tri-phyrium), 257; germination 

 of, and embryo, 311, 313; pol- 

 lenation of, 360, 361 



Asclepias cornuti (As-clep'i-as 

 cor-nu'ti), dissemination of 

 seed, 372 



Ascomycetes (As-co-my-ce'tes), 

 138, 139 



Ascospore, 137-139 



Ascus (pi. Asci), 137-139 



Ash (American), 304 



Aspidium acrostichoides, 165, 

 172, 177 



Aspidium spinulosum, 168 



Asplenium bulbiferum, 174, 175, 



239 



Aster novae-angliae, 290, 291 

 Atoll, made by plants, 386 

 Azalea, 411 



Bacteria, nutrition of, 321 

 Bald cypress, 395, 396 

 Basidiomycetes (Ba-sid-i-o-my- 



ce'tes), 136. 139 

 Bast, 44; fibres, 48; parenchyma, 



48 

 Batrachospermum (Ba-tra-cho- 



sper'mum), 116 



437 



