IKDEX AND YOCABULAKY 
rh« accent being single, marks only the accented syllable, without reference to quantity, or whethei 
the vowel be long or short. 
4 (Greek privative), in composif'-n, signifies 
privation ; as acatdis, without a caulis or stein. 
6baz'ial or Jlhax'ile. Not following the direc- 
tion of the axis. 
Abnormal, 105. 
buds, 48, 6. 
process, 106. 
/Ibor'tivc organs, 323, 2d. 
Abrupt' leaf. A pinnate leaf with an odd or ter- 
minal leaflet. 
ibsorp'tion^ 61. 
I^cantha'cejE, 486. 
dcau'les. (b'rom a, wanting, and caulis., a stem.) 
Plants without stems. 
decumbent. The radicle applied to the cleft or 
edges of the cotyledons. 
AcERA'cEiE, 437. 
dccr'ose., 54, i. 
Jichpfnium., 90. 
Achlamyd' cous. (From a, without, and chlamys, 
a covering.) 66. 
Bcic'ular. Needle-shaped. 
Acids, vegetable, 140, a. 
A'civus. A small berry ; the fruits of the mul- 
berry and raspberry are composed of acini. 
Acvtyled'onous. (From e, without, and cotyled- 
on, a seed lobe.) 100, 154, 284. 
Acro'genous. (From akra, summit, and genao, 
to produce.; Plants growing from the apex 
only. 284. 
ac'tea. Fig. 171. 
Acu'leus. (From acus, a needle.) A prickle. 
acuminate. (Taper-pointed, the point mostly 
curved toward one edge of the leaf, like an 
awl. 54, e. 
acute'. Ending in an acute angle. 
adlam^s cup, 230. 
needle, Plate 2, Fig. 1. 
adanson'ia, 248, a. 
Adel'phous. (From the Greek adelphos, a broth- 
er.) Stamens united by filaments. 
Adhesion, 323, 1st. 
Annate', 79, a. 
JEsti'vales. (From cestas, summer.) Plants 
which blossom in summer. 
tB^stiva'tion, 66. 
■ of peduncles, 84, a. 
d'fora. (From a, without, and fores, a door.) 
Having no doors or valves. 
iga'mous. (From a, without, and gamos, mar- 
riage.) A term derived from the views of some 
botanists respecting the sexual distinctions of 
plants. Plants without any visible stamens or 
fistils by French botanists are called agamous. 
48. 
d^e. Effect on plants, 324, 6th. 
d gents which affect the growth of plants, 312. 
dgglom' crated. Bunched, crowded together. 
/Aggregate. Assembled closely. 
Aggregate flowers, 179. 
Aigrette, 162. 
Air, 114, a. 
A' la. (Latin, signifying wing > 
d'l(P. (plural). The two lateral petals of a papil 
ionaceous flower. 
At bus While 
Albjt'men. The farinaceous, fleshy or horny sub- 
stance which constitutes the chief bulk of mo- 
nocotyledonous seeds ; as wheat, rye, &c., 99. 
Albur'nuvi. (From a^fiws, while.) The soft white 
substance (sap-wood) which in trees is found 
between the wood and liber, or inner bark* 
becoming solid, in progress of time, it is con- 
verted into heart- wood. 123, 128. 
Al'gvE. Sea-weeds, 570. 
Algol' ogy. Study of sea-weeds. 
Alisma'ck^, 536. 
AL'pine. Growing naturally on high mountains. 
Alternate. Branches, leaves, flowers, &c., are 
alternate when beginning at diflerent distances 
on the stem ; opposite, when base stands against 
base. 
Alter' nately-pinnate leaf. Ijcaflets arranged, al- 
ternately, on each side of the common petiole. 
Alve'olate. Honeycombed. 
Amaranta'ckjE, 504. 
Amararitlius, 276. 
AMARYLLlDA'cEiE, 544. 
Amenta'ce^, 277. 
A'ment, 68. Fig. 95, a. 
Amer'ican botanists^ 364. 
American laurel, 218. 
Am'bitus. The outer rim of a frond, receptacle, 
&c. 
Amplexicau'lis. Clasping the base of the stems. 
Amyg'dalous, 228. 
Amyr'idack.e, 436. 
ANACARDIA'cEiE, 435. 
Anal'ogy of petals with stamens, 75. 
between animal and vegetable physiolo- 
gy, 114, c. 
between plants and animals, 115, 383, 384 
Anal'ysis of flowers, 14, 15, 16, 17, 24. 
Anas'tomosis, 1 18. 
Ancip'etal. Having two sharp edges hke a sword, 
An'dria. Stamen. 
Andrce'cium. The staminate system. 
Androg'ynous plants. Having both stamens and 
pistils. 
Angiocar'pus. Fungi bearing seeds internally, 
89, a. 
Angiosper'mous. (From angio, a vessel, ana 
spcrma, a seed.) Plants whose seeds are in- 
closed or covered. 
Ano'iosper'mia, 236. 238. 
Angular. Forming angles; when the stems, 
calyxes, capsules, &c., have ridges running 
lengthwise. 
Avgustifo'lius. Narrow-leaved. 
Annona'cKjE, 402. 
An nual. A plant which lives but ono year. 
The herbage is often annual, while the root ia 
perennial ; in this case the plant is said to be 
perennial. 
Annual layers of wood, 133. 
An'nulated. Having a ring round the capsules; 
as in ferns; or in mushrooms having a ringed 
stipe. 
An'nulus. A ring. 
Anom'a/ous. (from a, without, and nomos^ law.) 
Irregular, or whatever forms an exception to a 
general rule. 
