330 GLOSSARY. 



Monsecious^ having antheridia and spores on the 

 same root, but not in the same conceptacle. 



Cihum, ciha — very minute, hair-Uke processes which 

 are found on the spores of many of the lower 

 alg-se, and on the vivacious bodies contained in the 

 antheridia. 



Explanation of various Technical Terms not com- 

 prised in the foregoing. 



Acuminate, lengthened out into a thorn-like point. 

 Adnate, adhering by the whole of the under surface 



of the frond. 

 Aggregate, collected or grouped together. 

 Axil, the angle formed by the insertion of a branch, 



or a division of a frond. 

 Axis, the central portion of a cylindrical frond. 

 Anastomosing (filaments), engrafting into each 



other. 

 Cellule, a small cell. 

 Deciduous, falling off. 

 Disk, surface of a frond within the margin. 



