RYDBERG: Rocky MOUNTAIN FLORA 471 
glabrata, but these leaves are more tomentose. The primary 
leaves are neither erect nor subulate and somewhat spine-like as 
they are in T. glabrata. It differs from T. canescens in the narrower, 
more or less falcate primary leaves and the presence of secondary 
fasciculate ones. 
v Tetradymia longispina (M. E. Jones) Rydb. comb. nov. 
Tetradymia spinosa longispina M. E. Jones, Proc. Calif. Acad. 
Sci. I]. 5: G8. - 130%. 
This I think deserves specific rank. 
NEw YorK BOTANICAL GARDEN. 
