= 
: ee yo oe 
‘- ‘eS 319. [ 174] 
tho eonspiouons Ccdezperat passing along its side; the beak pointing ob- 
“hgne ly upward 
= nis ace of. the 
“family fifinttg@netiude: a large part of the vegetation in’ 
the’west. The precise locality of this plant we cannot indicate, as the label 
was illegible ; but it was probably from the borders of the Great Salt lake. 
It is allied to ‘Grayia of Hooker and Arnott, a shrub of the same fam ei 
was found in several places on both sides of the Rocky mountains, 
. often in great abundance. 
* 
Pinus MoNOoPHYLLUS.. Torr. and Frbin, (The nut pine.) 
~ Leaves solitary, or very rarely i in pairs, with scarcely any sheaths, stout 
and rigid, somewhat pungent; cones ovoid; the scales with a thick obtusely 
®, ramidal and protuberant summit, unarmed; seeds large, without a wing. 
_.- A tree with verticillate branches and ‘cylindriealelitvate buds, which are 
about three-fourths of an inch in length. The leaves are from an inch to 
two and a haif inches long: often more or less curved, scattered, rely stout, 
terete, (except in the very rare case of their being in pairs, when they are 
somicyl indrical, ») ending in a ‘spiny tip. Cones about 24 inches long, and 
me din the widest part. The scales are of a light-brown ots 
bik the esti obtusely pyramidal and somewhat recurved, but wi 
. oe any point. The seeds are oblong, about half an inch long; *wittiout a 
wing ; or rather the wing is indissolubly adherent ‘to the se The er- 
nel is of a, very pleasant flavor, resembling that of Pinus Peinben 
This tree, which is remarkable among the true pines fic ge bolitary 
leaves, is extensively diffused over the mountains of Northern California, 
from long. 111° to 120°, and through a considerable range of latitude. It 
is ag t repeatedly, i in the course of the narrative, as the nué pine. — 
ag of the collection were numerous, and suffered less than — 
a a the other plants. Some of them do not appear . have been Pade 
described. There was also an Ephedra, which does tially 
= 
nuinerous darabby" ‘plants of the eee . 
sali il f * 
oa 
ea 
from BE. occidentalis, found in great soe on the sandy up! antl ‘of tht 
eae river. 
: Description of the plates. ? 
hic lL. AxcromEton pire sie Fig. 1, a stamen, magnified; 
Jig. 23 an ovule, mag.; fig. 3, capsule, nat. size; fig. 3, (a,) Stigma, mag.; _ 
fig. 4, the same cut horizontally, showing the sutures; Sigs. 5,a seed, mag.; 
. 6, portion of a hair from the leaf, mag.; fig. 7, bristle lp Soe the Siem: : 
ity ‘ofa leaf lobe, mag ; figs. 8 and 9, leaves, nat. size. 
- “Plate 2. Prosopis oporaTa. Fig. lla flower, mag.; Jig. 2, pistil, © 
mag; Jig. 3, tise of ripe legumes, nat, size. 
3.© Fremonria VERMICULARIS. Fig: 1, a very young fertile 
-* Ph aber ! —— 
re advanced, 
broad-winged border 
#”. 6, the same cut 
seéd, mags.; Jig. 8, embryo, ma 
"i > Pointe ee uoxorsyn.08 Fig. 1,a bud, nae. size; Jigs. 2518, 4, 
~ and 5, leaves nat. sizes fe 2, (a,) section ‘of a single leafs Jig. 5; (a,) sec-, 
es ,acone, nat. size; fig. 7,a scale, as seen. 
tie view of the e same. = 
F 
oe 
~ 
& 
S 
LS 
o 
5 
& 
SG” 
o 
3 
4 
5 
the same cnt verti 
ie 3 
net 
iis 
ss 
