1881.] by the young naked Branches. 35 
Fic. 6. 
EXPLANATION OF THE Ace 
Fic. 4 ee balsamifera. a, enlarged view of stem n low 
of optic of a very slender stem; @ ¢, views of middle of a ige growth 
the ude 
a a 2 thrift ty stem, 
a. A front hig — view of thrifty growth near the base; 5c, 
near the middle; d, similar views of & 2 
Fic. 5.— Fug igr 
similar view from a thrifty b 
’ slender stem near the — e ne 0p. 
ws of a stem near the base; 4c, similar views 
F ic. 6.— Fuglans cinerea. 
near the middle of a bane: es vnihe vices of slender stems, 
