GLOSSARY. 



A, privation, or destitute of ; as acau- 

 lis, a plant without a caulis or stem. 



Abortive flower. Falling oft' without 

 producing fruit ; stamens without 

 anthers. Pistil, defective in some 

 essential part. Seed, imperfect, 

 through want of pollen. 



Abrupt pinnate leaf, with an old or ter 

 minal leafet. 



Absorbent. A vessel which sucks up 

 liquid. 



Acetate, a salt composed of acetic acid, 

 or vinegar, and a base. 



Acrid, having a hot biting or bitter 

 taste. 



Acotyledonous. (From a without, and 

 cotyledon, a seed lobe.) 



Acuminate. Taper-pointed, the point 

 mostly curved towards one edge of 

 the leaf, like an awl. 



Acclimatized to become inured to the 

 climate. 



A djuvant, helpful assistant. 



triform, resembling air. Areation, 

 to render like air. 



Affinity, apparent preference a sub- 

 stance has for another, connection. 



Agamous. (From a, without, and ga- 

 mos, marriage.) 



Ages of plants. Ephemeral, such as 

 spring up, blossom and ripen their 

 seed in a few hours or days ; an- 

 nual, living a few months or one 

 summer ; biennial, springing up one 

 summer and dieing the following; 

 perennial, living an indefinite period. 



Aggregate. Many springing from the 

 same point aggregate, compound, 

 umbellate, cymose, amentaceous, glu- 

 mose, spadiceous. 



Aggregate flower , erected on footstalks; 

 all have one common receptacle on 

 the stem. 



Alburnum (From albus, white.) Soft 

 white substance in trees between the 

 liber, or inner bark. It is the sap- 

 wood, formed by a deposite of the 

 cambium, or descending sap ; hi one 

 year it becomes wood; and a new 

 layer of alburnum is again formed. 



Albumen, the farinaceous part secreted 

 in most monocotyledonous seeds or 

 fruits, between the embryo and outer 

 skin, furnishing the flower chiefly 

 of the corn plants, and composed 

 of similar chemical characters with 

 the albumen of animals : it is never 

 poisonous, though the plants may 

 be. 



Alga. Flags ; plants of the order 

 Hepaticce and Lichens. 



Alkalies, fixed salts, composed of oxy- 

 gen and an earth, as soda, potash, 

 etc. These neutralize and form 

 salts with the acids. 



Alkaloids, substances like alkaline 

 bases, of vegetable origin and com- 

 posed of oxygen, hydrogen, carbon, 

 and nitrogen. 



Alpine. Growing naturally on high 

 mountains 



Alternate. Branches, leaves, flowers, 

 etc. beginning at different distances 

 on the stem ; opposite, is when they 

 commence at the same point, base 

 standing against base. 



Alveolate,' with cells resembling a 

 honeycomb. 



Ament. Flowers collected on chaffy 

 scales, on a thread or slender stalk ; 

 a catkin. 



Ammonia, a volatile alkali existing 

 chiefly combined with acids and 

 forming salts : in the form of gas, 

 its pure state, it is composed ot ni- 

 trogen and hydrogen. 



Amylaceous, of the nature of starch. 



Analysis. (Botanically.) To ascertain 

 the name, by observing the organs, 

 and comparing them with scientific 

 descriptions of plants ; separation of 

 parts. 



Anatomy, the structure or organiza- 

 tion of vegetables or animals. 



Animal Charcoal is commonly pre- 

 pared by boiling the refuse of 

 slaughter-houses and mixing it with 

 sifted coal ashes. 



Androgynous plants. Bearing stami- 

 nate and pistillate flowers on the 



