GLOSSARY. 



Adscendent, ascendent, or ascending : rising gradually upwards. 



Adsurgent, or assurgent : same as ascending. 



Adventitious : out of the proper or usual place. 



Adventive : applied to foreign plants accidentally or sparingly spontaneous 



in a country, but hardly to be called naturalized. 

 ^Equilateral : equal-sided; opposed to oblique. 

 ^Estivation: the arrangement of parts in a flower-bud. 

 Air-cells, or Air-passages : spaces in the tissue of leaves and some stems. 

 Ake~nium, or akene. See achenium. 



Ala (plural alee) : a wing ; the side-petals of a papilionaceous corolla. 

 Albescent : whitish, or turning white. 

 Albdmen of the seed : nourishing matter stored up with the embryo, but 



not within it. 

 Albuminous (seeds) : furnished with albumen. 

 Alpine : belonging to high mountains above the limit of forests. 

 Alternate (leaves) : one after another. Petals are alternate with the sepals, 



or stamens with the petals, when they stand over the intervals between 



them. 

 AlvSolate: honeycomb-like, as the receptacle of the Cotton-Thistle. 

 Ament: a catkin. Amentaceous: catkin-like, or catkin-bearing. 

 Amorphous: shapeless ; without any definite form. 

 Amphitropous (ovules or seeds) : half inverted, the micropyle and chalaza 



being at opposite ends, and the hilum about half way between. 

 AmpUctant: embracing. Amplexicaul (leaves): clasping the stem by the 



base. 

 Ampulldeeous : swelling out like a bottle or bladder. 



Andntherous : without anthers. Andnthous : destitute of flowers ; flowerless. 

 Andstomosing : forming a net-work (anastomosis), as the veins of leaves. 

 Andtropous: (ovules or seeds): inverted, the micropyle and chalaza being 



at opposite ends, and the hilum near the micropyle. 

 Anctpital (anceps) ; two-edged. 



Androecium : a name for the stamens taken together. 

 Androgynous : having both staminate and pistillate flowers in the same cluster 



or inflorescence. 

 Angiospermce, AngiospCrmous Plants : with their seeds formed in an ovary or 



pericarp. 

 Annual (plant) : flowering and fruiting the year it is raised from the seed, 



and then dying. 

 Annular : in the form of a ring, or forming a circle. 

 Annulate : marked by rings ; or furnished with an 

 Annulus, or ring, like that of the spore-case of most Ferns. 

 Antenor, in the blossom, is the part next the bract, i. e. external : — while 



the posterior side is that next the axis of inflorescence. Thus, in the 



Pea, &c. the keel is anterior, and the standard posterior. 

 Anther: the essential part of the stamen, which contains the pollen. 

 Antheriferous : anther-bearing. 



AnthSsis : the period or the act of the expansion of a flower 

 Anthocdrpous (fruits) : same as multiple fruits. 

 Antrdrse: directed upwards or forwards. 



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