ween 
nee nyse Se ne eens 
ve 
Pinaceae. Pine Family. 
Bvergreen trees (except Larix) 
with needle-like »=-scale-Lile leaves arranged Spiral lye e2—-OppesaseD> 
Staminate and ovulate cones usually borne on the same plant, emerging 
from clusters of scales which persist at the pase, catkin-like or a 
cone-like in form, the staminate soon withering and falling, the 
ovulate forming woody ; ; cones which 
mature in the same or second year, or occasionally in the third. 
3tamens with two pollen sacs; megasporophylls with two ovules. Seeds 
commonly winged. Cotyledons #sevoral. 
() Leaves mostly S-ancled, in clusters of 2-5, the 
pole es surrounded at the base by a scarious sheath 
ue Guring the first year; branches in whorls; 
\ cones maturing in either two or three 
: p : 
: \less eroded} bark scaly@ 3. Picea 4 
toward the tips; es Gar. a 4 
\seasons® {. Pinus 
OQ leaves mostly flat, solitary; cones maturing in 
uf one season 
4, Leaves chiefly borne in tufts of 2-40 on 
/ stubby lateral branchlets, pale green, 
f deciduous eacn year; cone scales sub- 
\ tended by a conspicuous tailed bract@ 2, Larix 
——— =- 
“4, Leaves not in tufts, persistent sor several 
E years 
z{ Loaves siomere in cross section, curving, 
yprickly, leaving 2 persistent peg-like 
rd 
é\ pendulous; cone scales thin and more or 
f Leaves triangular or flat, put with a : 
sroove down the middle, acute or 
/ plunt but not vrickly; if a base 1s 
4 ‘left by the needle it is closely 
. adherent to the branchlet; park furrow- 
‘ed or smooth but not scalye 
G Leaves iluntly attached, not decurrent 
yolon, the brancnlet, Leaving a circulsr 
10 * sear when shedo 
Y Leaves blantiy ~ointecd, soft, tne 
erancniets qracefull; pendulous; } 
baw, Turvewoa, yellovis.: vithic, 
¥ Cou enaent, ting scal wotenéed 
on? 4 Gonseicuows tailed oract gq, -sem.otsuss } 
