BOTANICAL TERMS NOT EXPLAINED 

 IN THE TEXT. 



Acrogens. Summit-growers, applied to mosses, etc., because they 

 increase only by additions of matter to their top or their growing 

 point. 



Archegonia. Spherical bodies originating in the small clusters 

 or rosettes of leaves on the top of moss stems, containing in- 

 ternally a central nucleus from which arises the fructification 

 of the moss. 



Cellular. The fleshy or succulent parts of plants are so called, 

 because they are composed entirely of cells of irregular shape, 

 forming a homogeneous mass, without a vestige of fibre. 



Cellulose. A substance closely allied to starch, forming an 

 essential part of the structure of vegetable cells and vessels. 



Cilia. Minute hair-like filaments attached to cells, endowed with 

 a vibratile motion. 



Coniferous. Cone-bearing ; applied to structure consisting of 

 punctuated, disc-bearing, woody tissue, like that of the pine 

 tribe. 



Cryptogamic Applied to all plants which are propagated by 

 spores instead of seed, and which have no flowers. 



Cyphellce. Collections of powdery reproductive matter, gathered 

 into little cavities on the upper or under surface of lichens. 



Endochrome. Granular matter of a green colour occurring in the 

 interior of the germinating shoots of mosses, and in the fila- 

 ments of the fresh-water algae. 



Filiform. Thread-like, slender. 



Flocculent. Woolly, presenting an appearance as if covered with 

 down. 



Foliaceous. Applied to mosses, etc., because they exhibit leaf- 

 like organs, like those of flowering plants. 



Frond. Cellular expansion of flowerless plants, resembling a leaf, 

 but destitute of its fibrous structure. 



Fasciculate. Gathered into bundles. 



Homologous. Of similar structure, functions, and uses. 



