G. 104) QLASSIFICATION AND DESCRIPTION 197 
mine the varieties or species; the twig at the left represents the 
true squarrosa ; the others, the partial return to the original. Most 
of the forms shown in the figures have purple, golden, silvery, and 
other colored varieties. 
+ Retinospora filifera. 
Retinospora pisifera, 
Betinospora Lycopoides. Retinospora plumose- 
