MOSSES WITH A HAND-LENS 



67 



TERMS USED IN THE DESCRIPTION OF THE GAMETOPHVTE, EXCLUSIVE OK 

 THOSE ALREADY DEFINED. 



Ccrspitose, forming matted tufts or cushions ; e. g. , Leucobryum. 

 Canescent, rather hoary; e. g. % Ra- 

 comitrium canescens. 



Central strand. The middle of many 

 moss stems is made up of a bundle of 

 much narrower and more slender cells, 

 known as the ' 'central strand. ' ' ( Fig. 24. ) 

 This is usually continuous with the mid- 

 rib or costa of the leaves, much after the 

 manner of the vascular bundles in the 

 higher plants. 



Capitulum, a rounded head. 

 Coma or comal tuft, a tuft of leaves at the top of a stem or 

 branch. 



Confervoid, formed of fine threads. 



Fascicle, a bunch or cluster of 

 leaves or branches. 



Fasciculate, arranged in bunches 

 Fastigiate, of branches, all 

 reaching an equal height. (Fig. 18.) 

 Flagella, fine string-like branch- 

 es; e. g., Dicranum flagellars 



Gemmce, bud like bodies, capa- 

 ble of reproducing the plant. 

 Sometimes borne in special heads, 

 sometimes on the surface of the 

 leaves. (Fig. 25.) 



Gemmiferous or Gemmiparous, 

 bearing gemmae. 



Gregarious, growing near to- 

 gether or clustered, but not in close 

 tufts or mats. 

 . Hygroscopic, readily absorbing water and thereby altered in 

 form or direction. 



Julaceous, smooth slender and cylindric; like a catkin or a 

 worm. 



