CATALOGUE. 
283 
the valleys of Nevada and Utah; 4-6,000 feet altitude; July-Septem- 
ber. (960.) 
ASCLEPIAS CKYPTOCEKAs. {Anantherix speciosa, Nutt., in Herb. ; Acerates 
latifolia, Torr. Frnn. Rep. 317.) Grlabrous ; stems decumbent, 6-10' long, 
simple ; leaves 3-4 pairs, rounded ovate, 1^-2' long, on very short petioles ; 
umbels axillary and terminal, sessile, few-flowered; corolla-lobt^s ovate-lance- 
olate, spreading, greenish-yellow, 5" long ; hoods of the crown o" long, (equal- 
ing the disk, purple, ovate, abruptly pointed with two short recurved b(\dvs ; 
horn short, incurved, not at all cxsertcd. — Fruit unknown; easily mistaken 
for an Acerates. Found by Nuttall on Ham's Fork of Green liiv(>r, Utah, 
and by Frdmont (584) in Southeastern Idalio. AVest lluml)o](lt Mountains, 
Nevada, near Humboldt Lake, rare; 5,000 feet altitude; May, in flower. 
Plate XXVIIl. Fig. 1. Stem; iiatural size. Fig. 2. Flower. Fig. 3. Hood, 
divided between tlie beaks and showing the included horn; l)otli eidarged 
two diameters. Fig. 4. Pollen masses ; enlarged sixteen diainders. (961.) 
Acerates decumbens, Decne. DC. Prodr. 8. 522. Stems 1-2° long, 
numerous, decumbent, sometimes angular ; leaves scattered and sul)opposite, 
ovate-lanceolate or more usually narrow-lanceolate, (6' long, |-1' wide,) atnitc, 
margins scabrous ; umbels terminal, subghjbose ; corolla-lobes ovate, green- 
ish-yellow ; hoods purple, equaling the lol^es and exceeding the disk ; pods 
smooth, 4' long, 1' in diameter. — From Western Texas and Arkausas to 
Arizona and Utah. On Stansbury Island and in Jordan Valley; June- 
August. (962.) 
OLEACEiE. 
Feaxinus anomala, Torr., in Herb. Branchlets and petioles pubescent; 
leaves simj^le, broadly cordate or ovate, al)ruptly acute or emarginate, 1-1^' 
in diameter, longer than the petiole, entire, more or less pubescent l)eneat]i ; 
fruit wing-margined the entire length, 6-10" long, oblong, cunealc at l)ase, 
and acutish or emarginate above; calyx less than 1" long, persistent at the 
base of the fruit; seeds 1-2, 3-4" long.— x\. small tree, 15° high, first discov- 
ered by Ncw])(>rry on Macomb's Expedition in 1859 in Labyrinth Canon on 
the Colorado River, Utah, and again recently collected by Palmer near St. 
George on the Rio Virgcn in the southwestern portion of the State. The 
fruit is occasionally triangular, 3-winged, and 3-seeded. 
