252 GLOSSARY. 



Virgate : long and straight, like a Zoned (tetraspores) : when the te- 

 wand. traspore is divided into rings or 



zones, by cross lines. 



Whorled : surrounding a branch, in Zoospores : spores (or gemmules) 

 a ring. which have a proper locomotive 



power, resembling the voluntary 



Zigzag : angularly bent from side motions of animals, 

 to side. 



