300 



INDEX 



181; reproductive parts of, 180, 



181 ; sporophyte of, 181, 182. 

 Animal parasites, 88, 89. 

 Animals, 10, 11, 24, 25, 26, 27, 30, 34, 



229, 241, 243, 257, 259, 260. 

 Anisocarpse, 213, 214, 215, 219, Figs. 



52, 53. 



Annularieae, 224. 

 Annulus (of fern-sporangium), 29, 



135, Fig. 35. 

 Antarctic flora, 231. 

 Anther, 142, 179, 194, 215, 252, 283. 

 Antheridium, 53, (52, 63, 74, 83, 84, 



91, 92, 103, 116, 128, 129, 145, 150, 



151, 160, 163, 164, 170, 180, 181; 



Angiosperms, 180, 181 ; Archegoni- 



ates, 103; Ascomycetes, 91, 92; 



Chara, 62, 63; Confer vaceae, 76; 



Cycas, 163; Cystopus, 84; Ferns, 



128, 129; Isoetes, 150; Pine, 170; 



Red Algae, 74; Riccia, 103; Sela- 



ginella, 145; Water-mould, 83; 



Figs. 9, 12, 14, 20, 21, 24, 26, 33, 38, 



39, 40, 42. 

 Anthoceros, 109, 112, 113, 115, 116, 



118, 120, 121, 122, 123, 124, 132,280, 



290, Figs. 28, 31. 

 Anthocerotaceae, 125, 128, 132. 

 Antlmrium, 186, 247. 

 Antipodal cells, 179, 180, 202, Fig. 



44. 



Ants, 260, 261. 

 Apetalse, 217. 

 Apical cell, 61, 62, 106, 126, 131, 140, 



170; Chara, 61, 62; Equisetum, 



140; Fern, 126; Pine, 170; Figs. 



14, 32, 36, 42. 

 Apocarpae (Monocotyledons), 185, 



186, 197, 217, Fig. 45; (Dicotyle- 

 dons), 217. 

 Apocynaceae, 215. 

 Apophysis, 117, 120, Fig. 30. 

 Appalachian Mountains, 232. 

 Apple, 182. 



Aquatic plants, 17, 18, 269, 270, 295. 

 Aquilegia (see also "Columbine"), 



207, 208, 247, Fig. 50. 

 Aracese, 186. 

 Aralia, Arahacese, 211, 212. 



Arborescent Liliacese, 191, 192. 

 Arborescent Monocotyledons, 268. 

 Arbor- vitae (Thuja), 168. 

 Arbutus, 214, 240. 

 Archegoniatae, Archegoniates, 16, 



102, 103, 104, 105, 160, 164, 180, 266, 



289, 298. 

 Archegonium, 102, 103, 108, 110, 111, 



116, 118, 128, 129, 145, 148, 150, 151, 



159, 160, 163, 164, 169, 170, 180, 289, 



292, Figs. 26, 33, 38, 39, 40, 42. 

 Archesporium, 105, 109, 125, 132, 134, 



135. 



Archicarp, 91, 92, Fig. 24. 

 Arctostaphylos (see also "Manza- 



nita"),274. 

 Arethusa, 194, Fig. 47. 

 Aril, 165. 



Arisaema, 185, 186, Fig. 45. 

 Arisarum, 85. 

 Arizona, 237, 271. 

 Aroid, Aroideee, 185, 186, 187, 197, 



198, 206, 217, 219, 234, 244, 247, 249, 



260, 278, Fig. 45. 

 Arrow-head (Sagittaria) , 185, Fig. 



45. 



Arum, 186. 

 Asclepias, Asclepiadacese (see also 



"Milkweed"), 215, 254, 255, Fig. 



57. 



Ascobolus, 91, Fig. 24. 

 Ascomycetes (see also " Sac-fun- 

 gi "), 90, 91, 92, 93, 95, 96, 97, 98, 



99, 100, 280, Fig. 24. 

 Ascospore, 91, 92. 

 Ash, 215, 295. 

 Aspen, 230. 



Aspidium, 135, Fig. 35. 

 Assimilation (see also " Carbon-as- 

 similation," " Photo-synthesis "), 



10, 17, 24, 25. 

 Assimilative tissues, 10, 107, 112, 



116, 117, 120. 

 Aster, 216. 

 Atlantic North America,- Flora of, 



234, 235, 237, 238. 

 Australia, 147, 271. 

 Auxiliary cells (of Rhodophyceae) , 



74, 75, 78. 



