INDEX 
A 
Acacia, 261, 271, 274. 
Accessory reproductive parts, 28. 
Aceracee (Maple family), 209. 
Aconitum, 208, 247. 
Acrid protective substances, 260. 
Actinomorphic flowers, 218. 
Adder-tongue (Erythronium), 189, 
Fig. 46. 
Adder-tongue fern (Ophioglossum), 
127, 182, 133, 134, Fig. 34. 
Adiantum, 234. 
Ecidiomycetes (see also ‘‘ Rusts’’), 
89, 90, 94, 95, 99; hetercecism of, 
88, 89; Fig. 23. 
AKcidium, 89, Fig. 23. 
Africa, 231. 
Agave (see also “ Century Plant’’), 
287, 272. 
Aggregate, 215, 219, Fig. 53. 
Air-plants (see also ‘‘ Epiphytes’’), 
183, 195, 276. 
Alaska, 239. 
Alcoholic fermentation, 96. 
Alder, 240. 
Alfilaria (Erodium cicutarium), 241. 
Alga, 16, 17, 19, 20, 22, 24, 27, 28, 43, 
48, 49, 61, 63, 84, 85, 86, 97, 98, 99, 
101, 103, 105, 106, 109, 112, 119, 126, 
221, 222, 228, 265, 280, 284; calca- 
reous A., 14, 222; classification of 
A., 49; coralline A., 14, 222; fossil 
A., 221, 222; marine A., 20, 63. 
Alge, Brown (see also “ Brown 
Alge,’’ ‘‘ Pheophycesx ’’), 27, 49, 
63, 64, 71, 73, 76, 78, 79, 263, 287, 
295. 
Algz, Green (see also “‘ Green Algze,”’ 
“‘Chlorophycez ’’), 44, 46, 47, 49, 
50, 55, 59, 63, 64, 65, 68, 70, 71, 74, 
75, 76, 78, 79, 83, 99, 100, 104, 106, 
118, 129, 221, 286, 287, 288, 289, 296, 
298. 
Algze, Red (see also ‘Red Alge,”’ 
“Rhodophycez ’’), 49, 63, 70, 72, 
73, 74, 78, 79, 222, 263, 265, 287, 
295. 
Alga-fungi (see also 
cetes ’’), 81, 288. 
Alisma, 207. 
Alpine floras, 231. 
Alps, 236. 
Alternation of generations, 104, 105, 
266, 289, 298. 
Amaryllis, A. family, 191. 
Ament (catkin), 206. 
Amentacez, 206, 217, 219, 229, Fig. 
49. 
Ameba, 5, 34, Fig. 2. 
Anabeena, 35, 264, Fig. 5. 
Andes, 234. 
Andrecium (see also “‘Stamen’’), 
179. 7 
Anemone, 208, 246; A. coronaria, 
246, Fig. 55. 
Anemophily, anemophilous flowers, 
244. 
“ Phycomy- 
Aneura, 126. 
Angiosperme, Angiosperms, 155, 
156, 157, 159, 161, 167, 175, 176,177, 
178, 179, 180, 182, 183, 196, 199, 
200, 209, 218, 226, 228, 238, 244, 294, 
295, 298; classification of, 183; 
flowers of, 178; fossil A., gameto- 
phyte of, 178, 179; pollination of, 
299 
