310 GLOSSARY. 



Adscendens caulis, a stalk or branch inclining upwards. 

 Adversumjfo//t/z, when the sides of the leaf are turned to- 

 wards the South, 



Aggregatus^/fos, an assemblage of flowers coming in clusters. 

 Aggregate, an order of plants in the Fragmenta method! 



naturalis of Linnaus. 

 Ala, a wing, the side petals of a papilionaceous blossom, or 



a membrane added to a seed, stalk, 8cc. 

 Alatus petiolus, \vhen the footstalk of a leaf is . winged with 



membranes. 

 Albumen, a farinaceous, fleshy or horny substance, making 



the chief bulk of some seeds, as grasses, and performing 



the function of cotyledons. 

 Alburnum, the white substance that lies between the inner 



bark, and the wood of trees. 

 Algae, flags, one of the seven families of plants. 

 Alienata folia, when the first leaves give place to others to- 

 tally different from them, and from the habit of the 



genus , 

 Alterni rvmi folia, when they come out singly, and follow in 



gradual order. 

 Amentaceie, an order of plants in the Fragmenta methodi 



naturalis of lAnngus, bearing catkins. 

 Amentum, a catkin. 

 Amplexicauleyb/Mw, embracing the stalk, when the base of 



the leaf embraces the stem sideways. 

 Anceps caulis, double edged, when the stalk is compressed, 



and forms two opposite acute angles. 

 Androgyna, plants bearing male and female flowers on the 



same root. 



Angulatus caulis, angulated stalks. 

 Angustifolia, narrow-leaved. 

 Angiospermiii, the second order in the class Didynamia of 



Limtccns ; containing plants whpse seeds are covered with 



a capsule. 



Annua radix, an annual root ; that which lives but one year. 

 Anthera, the summit of the stamina, bearing the pollen, and 



a part of the principal male organ of generation. 

 Anthcsis, the time when the flowers of plants are perfectly 



expanded. 



Apertura, an aperture,- opening, in some species of anthera. 

 Apetalus^/os, having no petals or corolla. 

 Apex, the top or summit. 

 Aphyllus caidis, destitute of leaves. 



Apophysis, an excrescence from the receptacle of the musci. 



Appendiculatus-. 



