I X D E X 



[The italicized numbers indicate that the subject is illustrated upon the pasro ritH. 

 In such case the subject may be referred to only in the illustration, or it may b 

 referred to also in the text.] 



Absorption, 299. 



Acacia, 265. 



Aconitum, 261. 



Acorus, 219, 243. 



Actinomorphy, 228. 



Adder's tongue : see Ophioglossum. 



Adiantum, 143, 145. 



^Ecidiomycetes, 50, 62. 



./Ecidiospore, 66. 



^Ecidium, 66. 



Agaricus, 68, 69. 



Agave, 247. 



Air pore : see Stoma. 



Akene, 212, 213, 214, 276, 277. 



Alchemilla, 225. 



Alder: see Alnus. 



Algje, 4, 5, 17. 



Alisma, 210, 240. 



Almond : see Primus. 



Alnus, 257. 



Alternation of generations, 94, 

 129. 



Amaryllidaceae, 247. 



Amaryllis family : see Amarylli- 

 daceae. 



Ambrosia, 279. 



Ament, 257. 



Anaptychia, 81, 82. 



Anemophilous, 181. 

 Angiosperms, 173, 195, 217. 

 Anisocarpae, 268. 

 Annulus, 136, 146, 150. 

 Anther, 196, 197, 199. 

 Antheridium, 16, 99, 100, 112, 121, 



133, 134, 161, 166. 

 Antherozoid, 16. 



Anthoceros, 104, 105, 111, 116, 118. 

 Anthophytes, 172. 

 Antipodal cells, 202, 205, 208. 

 Antirrhinum, 228, 275. 

 Ant-plants, 90, 91. 

 Apical cell, 134. 

 Apical group, 283. 

 Apium, 267. 

 Apocarpy, 199, 222, 225. 

 Apocynaceae, 271. 

 Apocynum, 272. 

 Apogamy, 131. 

 Apospory, 132. 

 Apothecium, 79, 81. 82. 

 Apple : see Pirus. 

 Aquilegia, 198. 

 Araceae, 243. 

 Araliaceje, 267. 

 Araucaria, 190. 

 Arbor vitas : see Thuja. 

 Arbutus, 198 : see Epigaea. 

 Archegoniates, 101. 

 337 



