INDEX AND GLOSSARY. 



A (a, privative), prefixed to a Greek word i 



signifies without; as aphyllous, without 



leaves. 



Abbreviations, page 3, Part IV. 

 Abortion, non-development of a part. 

 Absorption, 460. 



Acaulescent, apparently stemless, 223. 

 Accessory, something superadded. 

 Accrescent, growing after flowering, 109. 

 Accumbent, lying against a thing, 183. 

 Acerose or acerous, needle-shaped, 299. 

 Achenium. plural, achenia, 151. 

 Achlarnydeous, without floral envelopes. 

 Aclcular, finely needle-shaped. 

 Acotyledonous, without cotyledons. 

 Acrogens, summit-growers, 425. 

 Aculeate, armed with prickles. 

 Acuminate, drawn out into a point, 307. 

 Acute, ending in a sharp angle, 307. 

 Adherent, growing to, 82, 94. 

 Adnate. growing fast to, 114. 

 Adventitious, growing out of the usual or 



normal position, as roots, 206. 

 Aeration, same as lie.spiration, 483. 

 ^Estivation, 333. 



Affinity, resemblance in essential organs. 

 Age of trees, 47. 



Aggregate, assembled close together. 

 Aglumaceous, without glumes, the same as 



Petal iferae, 514. 

 Air-bladders. 323. 

 Air-plants, 208. 

 Ala. wing; Ala, wings, 101. 

 Alate, winged, 274. 

 Albumen, 179. Albuminous, 178. 

 Alburnum, sap-wood, 410. 

 Algae, seaweeds, 519. 

 Alternate, 215, 262. 



Alveolate, with pits like the honey-comb. 

 Ament, a deciduous spike, 357. 

 Amorphous, without definite form. 

 Arnphitropous, 141. 

 Amplexicaul. stem-clasping, 275, 311. 

 Analysis. Botanical, 523. 

 Anastomosis, reunion of vessels or veins. 

 Andtropous, 141. 

 Ancipital, two-edged. 

 Andrcecium, 110. 

 Androgynous, stamens and pistils on the 



same peduncle. 



Angiospermce, angiosperms, 510. 

 Angiosiwres, 517. 

 Animal, 15. 



Annual, yearly (sc. plants), 40. 

 Annular cells, 373. [bract. 



Anterior, parts (of a flower) adjacent to the 

 Anthelmlntic, expelling or killing worms. 

 Anther, 111, 113. [ing. 



Ant/tesis, the opening of the flower ; flower- 



Antheridia, the staminate organs of MoBsea. 



Apetalce, 513. Apetalous, without petals. 



Aphyllous, without leaves. 



Apophysis, a swelling, e. g., under the 

 thecje of some Mosses. 



Apparatus, 4. 



Appendicular organs, 77. 



Appressed, closely applied but not adhering 

 to ; the same as adpressed. 



Apterous, without wings. 



Aquatic, living in water. 



Arachnoid, resembling cobwebs. 



Arboreous, arborescent, tree-like. 



Archegonia, the pistillate organs of Mosses. 



Arcuate, arched or curved like a bow. 



Areolate, having the surface divided into 

 little spaces or areas. 



Aril, an extra seed-covering, 175. 



Aristate, with an arista or awn (Barley). 



Armed, bearing prickles, spines, etc. 



Articulated, jointed, as the culm of Wheat. 



Ascending, arising obliquely ; assurgent. 



Ascidia, leaves holding water, 322. 



Assimilation, 439. . 



Attenuate, becoming slender or thin. 



Auriculate, ear-bearing, 291. 



Awn, the beard of Barley and the like. 



Axial root, 200. 



Axil (arm-pit), the angle between the petiole 

 and the branch, on the upper side. 



Axillary, growing out of the axils. 



Axis, ascending, 211, 212; erect, procum- 

 bent, prostrate, trailing, decumbent, 212; 

 excurrent, solvent, 226 ; descending, 197. 



Baccate, berry-like ; covered with pulp. 



Banner, same as Vexillum, 101. 



Banyan tree, 207. 



Bark, 411. 



Bdsilar, basal, attached to the base, 136. 



Bast-cells, wood-cells of bark, 412. 



Beaked, ending in an extended tip. 



Bearded, with tufts of long, weak hairs. 



Berry, 159, 



Bi, Bis, twice (in compound words). 



Blcolor, two-colored, 



Bicuspidate, with two points or cusps. 



Bidentate, with two teeth. 



Biennial, of two years, 41. 



Bifid, cleft into two parts. 



Bifoliate, with two leaflets. 



Bifurcate, twice forked, or merely forked. 



Bilabiate, two-lipped. 



Binate. 303. 



Bipinnate. 304. 



Bipinnatijid, twice pinnatifid. (Fig. 342J 



Iliternate, twice ternate, 305. 



Bivalved, two-valved. 



Blade. (See Lamina, 271.) 



