206 Postelsia 
cicles on dwarf branches on the 
older parts of the tree. 
Lari prone 
B. Foliage leaves all spirally arranged upon 
the ordinary branches, often twisted so 
as to appear two-ranked. 
a. Leaves non-resinous, with little odor 
when bruised and with a purely 
bitter taste. Leaves mucronate, 
twisted so as to appear two-ranked 
Taxus Pp. 147. 
b. Leaves resinous, aromatic or strong 
smelling when bruised; taste other 
than purely bitter. Adbzes p. 162. 
C. Foliage leaves in whorls of three. 
Juniperus (Sect. Oxycedrus) p. 201. 
2. Foliage wholly or largely of closely appressed 
opposite or whorled scales. 
A. Spray not flattened, scale-leaves not het- 
eromorphous, leaves of strong growing 
twigs sometimes acicular. 
Juniperus (Sect. Sabina) p. 203. 
B. Spray flat Gi. e. the twigs of a branch all 
in the same plane), scale-leaves hetero- 
