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. 



A/a (plural a/ce) : a wing; the side-petals of a papilionaceous corolla. 

 Albescent : whitish, or turning white. 

 Albumen 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. 



Alveolate: 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 betwe.en. 

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



base. 



Ampulldceous : swelling out like a bottle or bladder. 



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

 Anastomosing: 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. 

 Ancipital (anceps) ; two-edged. 



Androecium: a name for the stamens taken together. 

 Andrdg i/nous : having both staminate and pistillate flowers in the same cluster 



or inflorescence. 

 Angiospermce, Angiospe'rmous 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. 

 Anterior, 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. 

 Antherfferous : anther-bearing. 



Anthesis: 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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