252 GLOSSARY. 



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

 wand. traspoie is divided into rings or 



zones, by cross lines. 

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

 a ring. which have a proper locomotive 



power, resembling the voluntary 

 Zigzag : angularly bent from side motions of animals, 



to side. 



E. N'liWMAN, I'RINTER, 1)F. VONSHl RK STUKEl, Bl.SHOI'.S(i ATE, LONDON. 



