130 SYNOPSIS OF Lacs FLORA OF COLORADO. 
light red bark, yellowish- brown within, cracking irregularly and Her 
ing into small, very pag tars shaped seales ; known eo nly as the 
“Yellow Pi e,” and a valuable timber-tree. Comm thvonan all 
the set slopes and ica sioratan districts “s the eg amiaiges Newberr rry, 
l. ¢., p. 36, pl. 4.— Hall & Harbour; Porter; 
PINUS FLEXILIS, James. DC. Prod.,l.¢., p. a Tree of medium size; 
lower branches horizontal, upper ones: ascending: bud-scales ovate, 
pu ee subfimbriate ; sheaths 6” long, of several ovate and linear- 
oblong, obtuse, deciduous scales ; leaves 1/—3/ (usually 2’) long, 4” wide, 
in is, densely crowded at the ends of the bre ena , rigid, smooth, 
us lor 
24/-5’ long, 13/-2’ br oad, obtuse ; scales very broad, 8’-15”, with a short 
cuneate base. thick, pitted usually on both sides, the compressed sum)- 
mit terminating in the erect, acute, semicircular, transverse ridge, and 
a subrhombic, “acutish umbo ; seed 4/-5” long, 24” wide, pale-colored 
with a rudimentary wing. Bark thin, scaly, reddish or soinetimes gray. 
Rare.—Divide west of South Park, Porter. "Hall & Harbour, 5 
ay oar aoe elm. DC. Pr od., l. ¢., p. 400. Trans. had Saint 
Louis, vol. 2, t. 5 16. A tree of medium size, oie ian gh and 19-2° 
Sianotar. in “alpine situations a stunted bush; leaves in fives, 
wded, erect, curving, 3-angled, smooth, obtusely mucronate, deep. 
pnb sides marked by a longitudinal, white-glaucous stripe 1/-2’ long; 
Sterile aments aggregated, oval, br a e at base; cones horizontal, 
violet-brown, ovate or ovate- oblon , obtuse, resi nous, 3/4’ lon ng,. 14’ 
broad; the peicasteats of the scales ae: violet, rhombic, not prominent; 
transverse ridge acute; umbo small; awn lanceolate- subulate, rather 
long, stra aight; seeds Dovate oval, igri ee sides, nearly twice 
Shorter than the obtuse, broadish wing.— ecies known only from the 
alpine regions of the Rocky Mountains of Colorado. —Hall & Harbour; 
Paw; . Cou ter. 
PINUS EDULIS, Engelm. DC. Prod., |. c., p., 398. ‘A low, round-topped 
tree, branched from the base or near it, 10°- 15° high, very strongly res- 
inous; leaves mostly in pairs, rarely in threes, com pressed-triqetrous, 
semiterete at when dried appearing ‘kia. always short, rigid, 
spreading, curved or straightish, smooth on the mar gin, mucronate, 
Ww rar 
ne 1 
as broad; ’ apophy sis of ihe seales raised-pyramidal, thie 
ene 3-angled, truncate at ne apex, awnless; seeds in each scale 
2 or solitary, oblong, very convex, subangled, brown, solid, wingless, 
3-4” in length, edible.—The “Pinon” of the Mexicans. A small, round- 
e , are agreeable to the taste, with a atieht terebin- 
thinate flavor, and are much sought after by the Indians. It abounds 
Southern Colorado on the foot-hills and at lower elevations. Its north- 
Tima in | Colorado appears to be about ten miles south of Twin Lakes, 
at the ease of the Snowy L Be = and at Colorado Springs, east of the 
moun Hall & Harbour, 532; Porter ; Coulte 
Shae pr aa “ate ‘(Pinus commutata, Parl. Shee bed ie 
