Lege 140 
2, ascending, the testa: expanded at the superior extremity into a 
membranaceous wing. Grows on high mountains near the Gila. | 
This species is remarkable for its ascending winged seeds and co- 
riaceous leaves. It can scarcely be referred to any of the sections 
into which the genus Spiraea is at present divided. 
ndenostoma fasciculata, Hook and Arn. Abundant in the Cor- 
. dilleras of California. A shrub about five feet high. 
_ A. sparsifolia, n. sp. Leaves scattered, linear-subulate, dotted 
with glands. Cordilleras of California. A tree 30 feet high, with 
very numerous slender branchés. Leaves nearly half an inch long, 
scarcely half a line wide, somewhat triangular; apparently eyver- 
green. Flowers in small terminal paniculate spikes. Pedicels 
short, with numerous minute scarious bracts at the base. Calyx 
_turbinate-campanulate, 10-striate, 5-toothed; the teeth ovate, ob- 
~ tuse, conspicuously imbricated. Stamens about 10; the filaments 
inserted into a crenulate glandular ring at the summit of the calyx- 
tube. Ovary obovate, compressed, with 2 collateral suspended 
ovules. Very different in appearance from Al. fasciculata, and des- 
titute of the fleshy glands, with which the throat of the calyx-tube 
is furnished in that species. 
_ Photinia arbutifolia, Linn. Cordilleras of California. A shrub 
4-5 feet high. : 
LYTHRACES. 
Lythrum alatum, Pursh. On the Arkansas. 
ONAGRACE. 
Zauschneria Californica, Presi. Valley of the.Gila. A shrub 
with bright crimson flowers, resembling those of a Fuchsia. 
@nothera albicaulis, Nutt. Valley of the Del Norte. 
CE. pinnatifida, Vutt. Tributaries of the Canadian river. 
Gi. biennis, Linn. Valley of the Del Norte. 
Several other undetermined species of (Enothera exist in the col- 
lection. : é, 
-Gaura coccinéa, Nutt. Tributaries of the Canadian. 
. G. parviflora, Dougl. Valley of the Del Norte. 
a 
we! ae LOASACE.. 
 Mentzelia pumila, Nwét. Stem whitish, slender, branching, and — 
a little roughened above, smoothish and somewhat shining below;. 
leaves pinnatifid, or sinuate-toothed; flowers (small) 2-3 together, . 
pedicellate; petals 10, lanceolate; stamens very numerous; the 
outer filaments dilated; capsule turbinate-cylindrical; seeds nume- 
rous, winged. Valley of the Del Norte. Plant about a foot high. ‘ E 
Flowers less than an inch in diameter. Capsule three-fourths of & 
an inch long, 3-valved at the summit. 
_ Cevallia sinuata, Lagasca. This interesting plant, which has: @ 
admirably illustrated by Fenzl, occurs in many parts of the 
been 
tley of the Del Norte, from Santa Fé to Saltillo. oe ae 
