IIS-DEX AND YOCABULAEY. 



riie accent being single, marks only the accented syllable, without reference to quantity, or whethei 

 the vowel be long or siiort. 



4 (Greek privative), in composition, signifies 

 privation; as acaiUis, yfiihoul a caulis or stem. 



abax'ial or JJbax'ile. Not foUowing the direc- 

 tion of the axis. 



dbnor'ma/, 105. 



buds, 48, b. 



process, lOG. 



/Ibor'tive organs, 323, 2d. 



abrupt' leaf. A pinnate leaf with an odd or ter- 

 minal leaflet. 



Absorption, 61. 



ACANTHA'CEiE, 486. 



rlcau'les. (From a, wanting, and caulis, a stem.) 

 Plants without stems. 



decumbent. The radicle applied to the cleft or 

 edges of the cotyledons. 



Acera'ce*, 437. 



Seer esc, 54, i. 



Ache'nium, 90. 



Achlamyd' ecus. (From a, without, and chlamys, 

 a covering.) 66. 



acictilar. Needle-shaped. 



Jicids, vegetable, 140, a. 



A'cinus. A small berry ; the fruits of the mul- 

 berry and raspberry are composed of acini. 



Jicotijlcd'onous. (From a, without, and cotyled- 

 on, a seed lobe.) 100, 154, 284. 



..^erogenous. (From akra, summit, and genao, 

 to produce.; Plants growuig from the apex 

 only. 284. 



ac'tca. Fig. 171. 



Jjcu'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. 



dd'am's cup, 230. 



needle, Plate 2, Fig. 1. 



adnnson'ia, 248, a. 



Jidel'])hous. (From the Greek addphos, a broth- 

 er.) Stamens united by filaments. 



Jldke'sion, 323, 1st. 



.8dnate', 79, a. 



JEsti'vales. (From astas, summer.) Plants 

 which blossom in summer. 



Jli,stiva'tion, 6G. 



-g^ — of peduncles, 84, a, 



Wfora. (From a, without, and fores, a door.) 

 Having no doors or valves. 



/Iga'mous. (F>om a, without, and gamos, mar- 

 1-iage.) A term derived from the views of some 

 botanists respecting the sexual distinctions of 

 plants. Plants without any visible stamens or 

 pistils by French botanists are called agamous. 

 148. 



j3<rc. Effect on plants, 324, 6th. 



jf gents which affect the growth of plants, 312. 



ago-lorn' erated. Bmiched, crowded together. 



Aggregate. Assembled closely. 



Aggregate flowers, 179. 



Aigrette, 162. 



Air, 114, a. 



A'la. (Latin, signifying wing.) 



A'Ue (plural). The two lateral petals of a papil- 

 ionaceous flower. 



Jtrbus White, 



Albumen. The farinaceous, fleshy or horny sub- 

 stance which constitutes the chief bulk of mo- 

 nocotyledonous seeds ; as wheat, rye, &.C., 99. 



Alburnum. (From a/Jj<5, white.) 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'ove. 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 beginiring at different distances 

 on the stem ; opposite, when base stands against 

 base. 



Alter' nately-pinnatc leaf Leaflets arranged, al- 

 ternately, on each side of the common petiole. 



Alve'olate. Honeycombed. 



AjMaranta'cEjE, 504. 



Amaran'thus, 276. 



Amaryllida'ce.'e, 544. 



Amenta'cka:, 277. 



A'ment, 68. F'ig. 95, a. 



Amer ican botanists, 364. 



American laurel, 218. 



Ambitus. The outer rim of a frond, receptacle, 

 &c. 



Amplexicau'lis. Clasping the base of the stems. 



Amyg'dalous, 226. 



Amyr'idace^:, 436. 



Anacardia'cej?:, 435. 



Analogy of petals with stamens, 75. 



between animal and vegetable physiolo- 

 gy, 114, c. 



between plants and animals, 115, 383, 384. 



Analysis of flowers, 14, 15, 16, 17, 24. 



Ajias'tomosis, 118. 



Ancip'etal. Having two sharp edges like a sword. 



An'dria. Stamen. 



Andrx'cium. The staminate system. 



Androgynous plants. Having both stamens and 

 pistifs. 



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. 



Aniriosper'mia, 236, 238. 



Aii'fndar. Forming angles; when the stems, 

 calyxes, capsules, &c., have ridges running 

 lengthwise. 



Angustifo'lius. Narrow-leaved. 



Annona'ce^e, 402. 



Annual. A plant which lives but one year. 

 The herbage is often annual, while the root is 

 perennial ; in this case the plant is said to be 

 perennial. 



An'nual 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'alous. (From a, without, and nomas, law.) 

 Irregular, or whatever forms an exception to a 

 general rule, 



