A a u is? 



CK slender stalk ; these scales mixed with the flowers, resemole the 

 chaff in an ear of corn ; in the willow and poplar, an ament sup- 

 ports both staminate and pistillate flowers on distinct roots. Flow- 

 ers supported by an ament are generally destitute of a corolla. 



Amplcxicau'lis. Clasping the base of the stems. 



Anal'ysis. To analyze a plant botanically ', is to ascertain its name, by 

 observing its organs, and comparing them with scientific descrip- 

 tions of plants. 



Aiicip'Udl. Having two sharp edges like a sword. 



An'dria. Signifies stamens. 



Androg'ynous plants. Such as bear staminate and pistillate flowers on 

 the same root ; as the oak and indian corn ; such plants belong to 

 the class Monoecia. 



Angiocar'pus. Fungi, bearing seeds internally. 



Angiospcr'mal, (from angion, a vessel, and sperma, seed.) Plants 

 whose seeds are inclosed or covered. 



Angular. Forming angles; when the stems, calyxes, capsules, &c. 

 have ridges running lengthwise. 



Angustifo'lius. Narrow-leaved. 



An'nual. 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. 



Anmda'Lcd. Having a ring round the capsules, as in ferns; or in 

 mushrooms having a ringed stripe. 



Annu'lus. A ring. 



Anom'alous, (from a, without, and nomos, law.) Irregular, or what- 

 ever forms an exception to a general rule. 



Anther, (from anthos, a flower, so called, as indicating its importance.) 

 That part of the stamen v/hich contains the pollen ; it is of various 

 form-s, as linear, awl -shaped, heart-shaped, round, &c. ; it is 1-celled, 

 2-celled, &c. ; the anther of the crown imperial has 4 cells. 



Antherid'ium. A mass of pollen. 



Antherif'erous. Flowers bearing anthers without filaments. 



Anthus, (from the Greek anthos^ A flower generally referring to the 

 petals -only. 



Apek'alous, (from a, without, and petalum, a petal.) Having no petals, 

 such flowers are termed incomplete ; such as are destitute of either 

 stamens or pistils are called imperfect. 



Apct'cdce. A class formed by some of the ancient botanists, including 

 plants destitute of corollas. 



A'pcx. The top or summit. 



Aphyl'lous, (from a, without, and pkyllon, a leaf.) Destitute of leaves. 



ApJiyl'lce is the name given by an ancient botanist to a class of plants 

 without leaves, comprising garlic, rush, mushrooms, &c. 



Appen'dagcd. Having bracts, thorns, prickles, &c. 



Apprcs'scd. Closely pressed ; as leaves against the stem, &c. 



Approximate. Growing near each other. 



. Without wings. 

 ic, (ircm aqita, water.) Growing in, or near water. 



Aquatics, was an ancient name tor a class including all plants which 

 grow in water. 



