INDEX AND GLOSSARY, 



A (a, privative), prefixed to a Greek 



word signifiea -without, as aphyllous, 



without leaves. 

 Abbreviations, page, 189. 

 Abortion, nondevelopment of a part. 

 Absorption, 770, 775, 791. 

 Acaulescent, apparently stemless, 169. 

 Accessory, something superadded. 

 Accrescnt, growing after flowering. 

 Accumbent, lying against a thing, 569. 

 Acerose, needle-shaped, 277. 

 Achenium, plural, achenia, 556. 

 Achlamydeous, witliout floral envelopes. 

 Acicular, finely needle-shaped. 

 Aootyledonous, without cotyledons. 

 Aerogens, summit-growers, 899. 

 Aculeate, armed with prickles. 

 Acuminate, drawn out into a point, 283. 

 Acute, ending in a sharp angle, 283. ' 

 Adherent, growing to, 466. 

 Adnate, growing fast to, 495. 

 Adventitious, growing out of the usual 



or normal position, as roots, 134. 

 AerMion, same as Respiration, 815. 

 Aerophyta, includes the Lichens, 907. 

 Estivation, 383. 



Affinity, resemblance in essential organs. 

 Age of trees, 97. 



Aggregate, assembled close together. 

 Aglumaceous, without glumes, the same 



as Petaliferse, 898. 

 Agricultural Chemistry, 834. 

 Air bladders, 311. 

 Air cells or ves33l3, 790. 

 Air plants, 841. 

 Ala, wing ; Alas, wings, 474. 

 Albilmen, 590. AlbSminous, 589. 

 Alburnum, sap-wood, 697. 

 Algse, sea-weeds, 907. Fig. 545-550. 

 Alternate, 222. 

 Alternate generation, 634. 

 Alveolate, witli pits like the honey-comb. 

 Amant, a deciduous spike, 348. 

 Ammonia, 839. 



Amorphous, without definite form. 

 Amphigiislria, 626. 

 Amphitropous, 539. 

 Anaplexicaul, stem-clasping, 246, 

 Analysis, Botanical, 916. 



Analytical tables explained, 919. 



Anastomosis, union of vessels or i 



Anitropous, 537. 



Anoipital, two-edged. 



Andrcecium, 491. 



Androgenous, stamens and piatila on the 

 same peduncle. 



Angiosp^rmss, angioaperms, 898. 



Angiospores, 900. 



Anniial, yearly, 89. 



Annular cells, 652. 



Anterior, parts (of a flower) adjacent to 

 the bract. 



Anthelmintic, expelling or killing worms. 



Anther, 497. 



Anthesis, the opening of the flower ; flow- 

 ering. 



Antheridia, 629. 



Apetalae, 903. Apetalous, without petals. 



Aphyllous, without leaves. 



Apophysis, a swelling, e. g. under the 

 thecae of some Mosses. 



Apothecia, 631. 



Appendicular organs, 433. 



Appressed, closely applied but not adher- 

 ing to ; the same as adpressed. 



Apterous, without wings. 



Aquitic, living in water. 



Arachnoid, resembling cobwebs. 



Arbfireous, arborescent, tree-like. 



Archegonia, 629. 



Arcuate, arched or curved like a bow. 



Areolate, having the surface divided into 

 Uttle spaces or area.s. 



Aril, an extra seed-covering, 586. 



Aristate, with an arista or awn (barley). 



Armed, bearing prickles, spines, etc. 



Articulated, jointed, as the culm of wheat 



Artificial classes, 877. 



Artificial orders, 878. 



Ascending, arising obliquely; assurgent 



Asoidia, leaves holding water, 308. 



Attenuate, becoming slender or thin. 



Auriculate, ear-bearing, 267. 



Awn, the beard of barley, and the like. 



Axial root, 122. 



Axil (arm-pit), the angle between the 

 petiole aud the branch on the upper 

 side. 



