aLOSSAEY OF TECHNICAL TERMS. 



A, privative, signifying the absence 

 of the organ mentioned. 



Acerose, needle-shaped. 



Acicular, bristle-shaped or thinly 

 needle-shaped. 



Acuminate, ending in a finely taper- 

 ing point. 



Acute, terminating in a sharp point. 



Adnate, applied to an organ united 

 to another throughout its length. 



Amplexicaul, clasping or embracing 

 the stem. 



Anastomosing, the uniting of vein- 

 lets in the leaf of a plant. 



Antheridia, the minute male organs 

 of Oryptogamic plants. 



Apiculate, ending in a short pointed 

 tip. 



Appressed, lying flat against a sur- 

 face, as leaves on a stem. 



Arborescent, tree-like. 



Areoles, spaces marked out on a 

 surface, as by the reticulation of 

 the veins. 



Articulated, jointed ; the articti- 

 lations being either the portions 

 joined, or the place of joining. 



Ascending, applied to stems which 

 rise in a slanting direction. 



Auricled, or Auriculate, furnished 

 with an ear-like appendage. 



Axil, the angle formed between a 

 leaf and the stem. 



Axillary, anything placed in an 

 axil. 



Sifid or 2-fid, two-cleft to about 

 the middle. 



Bilocular or 2-locular, containing 

 2 cavities or cells. 



Bipinnate or 2-pinnate, doubly or 

 twice pinnate ; similarly, bipin- 

 natifid, &c. 



Bract, a more or less modified leaf 

 from the axil of which flowers or 

 other reproductive organs pro- 

 ceed. 



Campanulate, bell-shaped. 



Capillary, yeiy slender and hairlike. 



Capsule, a dry seed-vessel, applied 

 to the spore-cases of Ferns and 

 their allies. 



Caudex, the trunk of a tree-fern. 



Cell, applied to the cavity of a. 

 seed-vessel or spore-case. 



Cilia, thin hairs fringing the mar- 

 gin of a leaf, &c. , hence ciliate. 



Circinate, rolled inwards from the 

 summit towards the base, as in 

 the young fronds of ferns. 



Connate, applied to the uniting 

 together of two or more similar 

 parts. 



Cordate, heart-shaped. 



Coriaceous, leathery in consistence. 



Costa, the midrib. 



Crenate, having rounded teeth on 

 the margin. 



Cuneate, wedge-shaped. 



Cuspidate, tapering to a sharp, 

 rigid point. 



Deciduous, applied to parts which 

 fall off. 



Decompound, applied to leaves cut 

 into numerous divisions. 



Decumbent, lying flat, but with the 

 summit ascending. 



Decurrent, applied to leaves whose 

 blade is continued down the 

 stem in the form of a wing. 



Deflexed, bent downwards. 



Dehisce, to open so as to scatter 

 the seeds or spores. 



Deltoid, triangular, like the Greek 

 letter A (delta). 



