GLOSSARY OF BOTANICAL TERMS. 



ABERRANT. —Wandering; applied to 



forms which differ in some particular 



from the group of which they are members. 



Abjoint. — To separate by means of a joint 



or sep tern. 

 Abjunction. — The separation by means of 

 a joint, as in the separation of spores from 

 a growing hypha in some fungi. 



Abortive. — Imperfectly developed or rudi- 

 mentary. 



Abscission — A term applied to that mode of 

 the detachment of spores in Fungi which 

 consists in the disorganization of the zone 

 connecting the spores with jhe hypha. 



Abstriction. — Spore formation, either by 

 abjunction or by abstriction. 



Acallescent. — Stemless, or apparently 

 without a stem. 



Accumbent. — Cotyledons are described as 

 accumbent when in the embryo they have 

 their faces applied to each other, and the 

 radicle is so folded as to lie in contact 

 with their edges. 



Acerose. — Needle-shaped. 



Achlamydbous. ^Destitute of floral en- 

 velopes. 



Acicllar. — Needle-shaped. (Applied to 

 leases). 



Acinacifobm. — Scimitar-shaped. 



Acotyledonous. — Without cotyledons. 

 Applied to such embryos as that of Cus- 

 cuta, where the cotyledons are aborted. 



Acrocarpous. — Bearing fruit at the apex 

 of the growing axis and terminating the 

 growth of the axis in that direction, as in 

 acrocarpous Mosses. 



Acrogen. — A name sometimes applied to a 

 plant that grows at the apex only. 



Acropetal. — In the direction of the apex. 



Actindmorphous.— Applied to flowers that 

 ate divisible into similar halves in two or 

 more vertical planes. 



Ac i Ml x \TE. — Taper-pointed. 



Acute. — Forming a sharp angle. 



Aculbate. — Beset with prickles. 



Adenophorous. — Glandular or gland-bear- 

 ing- 



Adhesion. — The union of members of dif- 

 ferent floral whorls. 



Adnate. — Literally, grown together. Ap- 

 plied to an anther, the lobes of which are 

 elongated and apparently grown fast to 

 the sides of the filament ; also applied to 

 any two different organs that have grown 

 together. 



Adventitious. — Occurring out of the regu- 

 lar order. Applied to buds, roots, etc. 



jEcidiomycetes. — jEcidium fungi. 



jEcidiospores. — The spores produced in 

 an iecidium-fruit, such as the cluster-cups 

 of the Barberry. 



./Eruginous. — Of the color of verdigris. 



Aerophyte.— An air-plant. 



./Estivation. — The arrangement of floral 

 organs in the bud. 



Agamic. — Without sex; asexual. 



Agamogenesis. — A term applied to asexual 

 reproduction. 



Agglomerate. — Crowded into a dense 

 cluster. 



Aggregated Fruits. — Fruits like the 

 raspberry and blackberry, that consist of 

 a mass of simple fruits, all the product of 

 a single flower. 



Akexe or Achenium. — A small, dry, inde- 

 hiscent fruit, like those of the Buttercup 

 and Dandelion. 



Al^e. — Wings. Applied to the two lateral 

 petals of a papilionaceous flower. 



Alate. — Winged. 



Albumen. — A term applied to a nitrogen- 

 ous organic matter found in animals and 

 plants; also a name applied to the food- 

 store laid up outside the embryo in many 

 seeds. 



Albuminous. — Containing albumen. Seeus 

 are said to be albuminous if they possess 

 an extra food supply outside the embryo. 



Alburnum. — Sap-wood. 



Aleurone. — Proteid matter in the form of 

 small rounded particles, found in seeds. 



Alliaceous. — Having an odor like onion or 

 garlic. 



Allogamy. — Cross-fertilization. 



Alpine. — Growing at high elevations in 

 the Alps ; applied generally to plants 

 growing above the tree-line in moun- 

 tains. 



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