INDEX AND GLOSSABY. 



The numbers refer to Sections unless Figures are specified^ 



Abruptly pinnate, 180. 



Absorption by roots, 2. 



Abstriction, 353. 



Acaulescent: apparently without 

 a stem, 18. 



Accessory fruits : such as consist 

 chiefly of an enlargement of 

 some organ, such as the calyx 

 or receptacle, not organically 

 united with the pistil, 235. 



Achenium or Achene, 54, 56, 241. 



Achlamydeous : having neither 

 calyx nor corolla, 74. 



Acicular, Fig. 145. 



Acorn, 71. 



Actinomorphic flowers, 203. 



Acuminate : with a long tapering 

 point. 



Acute: sharp-pointed, 177. 



Acyclic flowers, 195. 



Adherent : a term applied to the 

 union of unlike parts, e. g., sta- 

 mens with corolla, &c., 26. 



Adnate, 52, 211. 



Adventitious : occurring out of the 

 natural position. 



Adventitious roots, 134. 



Adventitious buds, 139. 



Aerial roots, 134. 



^Estivation : the folding of the 

 floral envelopes in the bud, 210. 



Aggregated fruits, 234. 



Air-plants (epiphytes), 87. 



Albumen (of the seed): solicl nour- 

 ishing matter distinct from the 

 embryo, 12, 80, 117, 248. 



Albuminoids, 263. 



Albuminous seeds, 80, 248. 



Aleurone-grains, 280. 



Algffi, 355. 



Alternate (leaves), 158. 



Alternation of generations, 326, 

 329, 334, 342, 343. 



Ament or Catkin, Figs. 68, 69. 



Amplexicaul : clasping a stem. 



Anatropous: a term applied to 

 ovules when inverted, so that 

 the micropyle is close to the 

 point of attachment, 246. 



Androecium : the circle of stamens 

 collectively, 211. 



Androus : an ending of adjectives 

 descriptive of stamens, e. g., 

 monandrous, polyandrous, &c. 



Anemophilous, 74, 247. 



Angiospermous : applied to plants 

 whose seeds are enclosed in an 

 ovary, 124, 129. 



Annual : a plant whichjgrows from 

 the seed, flowers, and dies in 

 the same season, 136. 



Annular vessels, 268, 287. 



Annulus, 347. 



Anterior, 197. 



Anther: the essential part of a 

 stamen containing the pollen, 

 6,211. 



Antheridium, 325. 



Antherozoid, 325. 



Apeta'ous : without a corolla; hav- 

 ing only one set of floral en- 

 velopes, 20. 



Apex of leaves, 177. 



Apocarpous : applied to pistils 

 when the carpels are free from 

 each other, 7, 21, 215, 229. 



Apothecium, 352, 353. 



Appendage : anything attached or 

 added. 



Appressed : in contact, but not 

 united. 



Aquatic : growing in the water, 

 whether completely or only 

 partially immersed. 



Arborescent : resembling a tree. 



Archegonium, 325. 



Aril, 126, 250. 



Arrow-shaped, Fig. 155. 



