GLOSSARY. 335 



Apocarpous i when carpels of a gynsecium are separate, as in 



feanunculiis. 

 Apotkeciwm : the reproductive part or sporocarp of a Lichen. 

 Appendage, or Appemdix : a part which is added ; a projection. 

 AppendiciUate : having an appendage. 

 Appressed : close pressed ; as leaves, etc., to the stem. 

 Apiernus : destitute of wings. 

 Aquaiic : growing in water. 



Arachnoid : like a spider's web ; clothed with soft fibres. 

 Arbor: tree 



Arboreous : like a tree ; dendritic. 

 Arboi'escent : almost a tree ; growing into a tree. 

 Arboretum : a place in which a collection of trees is cultivated. 

 Arcliegonium : the flask-shaped reproductive organ of Mosses, Ferns, 



etc., corresponding in function to a pistil. 

 Arcuate : curved like a bow. 



Areolate : having small spaces, or areolae marked out. 

 Areolaiixm : small spaces bounded by veins of leaves, or cell-walls, etc. 

 Argentaie : resembling silver. 

 AriUate : having an aril. 



Aril : a fleshy growth (like a third integument) more or less cover- 

 ing the seed. 

 Arista : awn ; beard of "Wheat, Barley, etc. 

 Aristate : having an awn or long bristle. 

 Articulated : jointed ; having joints or articulations. 

 Artificial classification: that which is based on one or a few 



characters regardless of afiinity. 

 Ascv3: the cell or sac in which the spores arise in some Fungi 



(Ascomycetes). 

 AssimiiatiorL : conversion of inorganic into organic matter. 

 Assurgent : ascending or rising obliquely. 

 Astichous : not in rows. 

 Atropous : orthotropous ; not bent. 

 Attenuate : long drawn out. 



Auricle : an appendage, or expansion somewhat ear-shaped. 

 Auricidate : having ear-like appendages. 

 Autogamy: close-fertilization, or the fertilization of the ovules by 



the pollen of the same flower. 

 Auxospore : the spore resulting from copulation in Desmids, and by 



which the individual is increased in size. 

 Awn : beard of Wheat, Barley, Grasses, etc. (Arista.) 

 Axil : the angle formed by the leaf and stem. 

 Axillary : in the axil ; belonging to the axil. 

 Axis : the root and stem ; a central organ to which others are 



attached; central line. 



Saccate : like a berry ; pulpy like a berry. 



Banner : the upper pet^ of a Papilionaceous corolla (vexillum). 

 Barbed: having a barb or double hook; with projecting hooks or 

 prickles. 



