166 UNITED STATES AND МЕХ1САМ BOUNDARY. 
acuminatis cordatis, auriculis approximatis rotundatis puberulis ; pedunculis petiolis subæqua- 
libus 3-5-floris ; corolla campanulata, tubo brevi, laciniis lanceolatis erectis ; corona stam. 
cupuliformi erenato gynostegio breviore; folliculis (immaturis) levibus. Climbing over bushes. 
Banks of Rock Creek ; Bigelow. Valley of the Limpio, and along the Rio Grande, June; Parry, 
(No. 1675, Wright. It was also found by Dr. Gregg, in Cadera, Mexico. Plant 2-4 feet 
long, twining around low bushes or trailing on the ground. Lower leaves about 2 inches long ; 
the deep sinus at the base often almost closed by the approximation of the auricles. Sepals E 
ovate-lanceolate, with a minute gland on the inside of each sinus. Corolla about 4 lines long, | 
mostly of a dull purple color, but sometimes greenish. Stamineal crown a shallow cup, about 
two-thirds the length of the gynostegium, with the margin crenate or slightly lobed. On the 
inside ave 5 adnate processes which are connected with the gynostegium and outwards terminate 
in a short tooth which is not exserted. Stigma obtusely 5-angled. Pollen-masses short and 
roundish. There are no ripe pods in the collections. 
GoNOLOBUS(?) PARVIFOLIUS (n. sp.): pubescens; caule prostrato ramosissimo vix volubili; 
foliis (semiuncialibus) deltoideo-ovatis basi cordatis crassiusculis ; floribus axillaribus solitariis 
vel geminis sessilibus; corolla urceolato-rotata ad mediam usque 5-lobata; corona stam. 
5-10ба, lobis ovatis obtusis gynostegio brevioribus ; folliculis lineari-lanceolatis longe attenu- 
atis levibus. Sides of hills, cafion of the Rio Grande, below Mt. Carmel, October; Parry. 
Mountain near the Limpia, western 'lexas; Wright. Stem 12-18 inches long, the upper 
branches somewhat twining. Leaves 4—6 lines long, deltoid or sometimes hastate-cordate, 
rather acute, mucronate; petioles half as long as the lamina. Flowers on short axillary 
pedicels. Corolla about 23 lines in diameter, dull yellow, (brown when dry ;) the lobes trian- 
gular-ovate. Stamineal crown 5-lobed, the lobes obtuse or slightly emarginate, concave, with 
a prominent ridge on the inside. Stigma obtusely 5-angled, flat. Pods 31 inches long, tapering 
to a long slender point. 
OLEACEZ. 
FRAXINUS SCHEIDEANA, Schlecht. & Cham. in Linnea, 6, p. 391; DC. Prodr. 8, p. 278. Var. 
PARVIFOLIA : foliolis 1-3-jugis vix uncialibus. Rocky places in limestone districts on the Rio 
Grande, from the San Pedro to the Pecos; Schott. Mountains of Santa Rosa, Cohahuila ; 
Bigelow, Parry. А graceful shrub 5 or 6 feet high. 
FRAXINUS viRIDIS, Micha. f. Sylv. 2, p. 197, t. 120. Var. BERLANDIERIANA. Е. porlindióriená; 
DC.1.c. Near Eagle Pass оп the Rio Grande; Bigelow. (No. 602 and 2112, Berlandier. 
No. 653 (Coll. 1846) and No. 41, (Coll. 1847,) Lindhetoner 3 Leaflets 5-7, or often 3, mostly 
cuneate at the base, shining on the upper surface ; the teeth larger and more salient than in the 
F. viridis of the Middle States ; the fruit also is more acute. 
FRAXINUS PISTACLEFOLIA, Torr. in Bot. Whippl. Rep. p.128. Е. velutina, Torr. in Emory ‚ Rep. z. 
149. On the Rio Grande and its tributaries. Near the Copper Mines, New Mexico; Bigelow. 
— (No. 1697, Wright.) Ojito, Mexico; Gregg. Sonora ; Schott. A downy variety, with narrowly 
lanceolate attenuate leaves, was баян Бу Mr. Thurber at Guadalupe Сайоп, Chihuahua. This 
22208 species often grows from 15-20 feet high. Sometimes it attains the height of 30 feet. The fruit 
` is often 3-winged. 
FRAXINUS CUSPIDATA (n. sp.) : foliolis 2-3-jugis lanceolatis vel oblongo-lanceolatis acutis cuspi- 
e "dd datis serratis vel integerrimis utrinque glabris longe petiolulatis ; samaris oblongis utrinque 
obtusis. Eagle Mountains and Great Caiion of the Rio Grande; Parry, Bigelow. (No. 1698, % 
