il * a & 7 he 
“a ry ry n ee 
a * * ss ‘ a 
— ; | ,. ae ioe 
* we: / ; /o jt AP): 
cones, resemble’ te common he pine of the rile ‘but the cones are 
; vo or three times as large, not to speak of the other differences. It only 
.' grows on the ‘highe est t mourrtilis of f this’ ai of about 8,000 eeteleva- * 
‘ign, a the height of 100 to 1 
; hylla,** another inhabitant ‘of the higher mountains of 
ne Ghihoabas, is more common than the last; like it,‘it closely resembles a_ 
y 
* well-known species of the United States, P: australis, from which it dif. 
=. 
‘yg fers by. its short cones, which have on each scale a mamumnillary recurved 
a —— and by having the leaves not only in threes, but also in fours 
Ey 
and even in fives. It may be near P. occidentalis of the interior of Mexi- . 
co, but that has the regularly five leaves i in each s| 
Shihuahuana,?* is the common pine of Cosih huiriachi and the 
mountains of Chih wahua, i in general at an elevation of about 7,000 feet. 
» It grows only 30 to 50 feet high, and resembles somewhat. P. variabilis, 
though sufficiently distinct. Dr. Wislizenus was unable to obtain speci- 
mens of a fourth pine, which is said to.grow on the still higher mountains 
_ _ to the west, near av dota bearing cones 15 or 18 inches in length. 
~ . On the -highest peaks in_ ‘this region a species of Arbutus was found, 
ie which. ‘the in rabitants call Matronia ; it is a small tree with a smooth, red 
cag in November and December red edible berries. If it is at 
4 net fi A. Menziesii, Pursh, of the northwest coast, which it 
eecsiys peoembles, it ought, from the color of ‘its bark, bear the name of 
to 130 feet high. Sheaths 6 lines long, very deciduous, leaves 2 to3}, — 
r 3 inches long; cone about 10 inches in length » very resinous. 
"This s ies forms with Pinus strobus and Pinds a peculiar sec- 
_ tion, distinguished by their 5 leaves, and their cylindric pendulous squar- 
_ rose cones; the leaves of P. strobus are the most slender, concave on the — » 
; 3 back, and 'strongly serrate; those of P. strobiformis are somewhat more 
#3 si convex on the back, and slightly serrate; those of P. flexil is are —. 
, More mine Hes < convex on the back, and mer 
intis) 
ited gies 
ance; Rpieci ovato. conicis; sqamis tuberculo. conico, A apibe ri mi 
a pares seminibus parvis, alatis. 
Yommon on the higher mountains of Cosihuiriachi; 7 
sheaths 1; 5 to 20 lines long; leaves 13 to 1b caer 
“Sh common pie of of the mounting of {Chihoahas at an rit 
2 a one tl e A Be bat eit, cae 
S170 
