310 GLOSSARY 
to describe the surface of the twigs of some of the Abies. 
Synonyms: Fissured, Furrowed. 
CoRTEX (cortex == bark). The bark or rind of an exogenous 
tree. 
Coryms (corymbus = cluster). An inflorescence, or flower 
cluster, with lower stalks (or so-called pedicels) growing 
from a common central foot-stalk (or so-called rachis), 
lengthened so as to form a level head. 
CYLINDRICAL (Gk. kylindein = to roll). A long, circular 
body, solid or hollow, of uniform diameter. 
Decipuous (de = from; cadere = to fall). Applied to a 
tree that sheds its leaves annually. 
DECUMBENT (de = down; cumbere = to lie). Lying down. 
DECURRENT (de = down; currere = to run). Applied to a 
leaf extended down or clinging for part of the way to the 
stem. 
DECUSSATE (decussare = to cross and put into the form of an 
X). Applied to leaves and branchlets arranged in pairs, 
and alternately crossing each other, or growing out at 
different angles from main stem or leaf stalk like the leaf, 
e.g. a Veronica. 
DEHISCENT (dehiscere = to gape). Applied to a cone that 
opens and discharges its seed at maturity. 
DENTATE (dens = tooth). Vide Marcins. 
DESCENDING (de = down, scandere = to climb). Moving or 
inclining downwards. 
Driacious (Gk. di = twice ; oikos = house). Vide Mona@ciovus. 
Plants that have the male flower on one plant and the 
female on another. ; 
Disk or Disc (Gk. diskos = a round plate). Applied to the 
round scar left after pulling off leaves of the Abies, or 
Silver Firs. 
DisticHous (Gk. dis = twice; stichus = a line). Applied to 
leaves arranged oppositely and in two rows. 
DIVARICATE (dis = asunder; varicare = tospread). Applied 
to branches that diverge. 
Dorsat (dorsum = the back). 
Dorso-vENTRAL (dorsum =the back of human frame; 
venta = abdomen or frontal part of human frame. 
Alluded to as Dorsal and Facial. Applied to leaves 
