AGAVES OF THE UNITED STATES. 79 
paniculate character, that it uiiirht be placed in the Euagave 
section with almost as great propriety as in that of Littaea. 
The flowers seem identical with those of A. Utahensis. I 
subjoin a description, that the plant may be looked for. 
A. Newberryi Engelm.— Leaves rigid, ensiform, about 20 cm. long, 2 
cm. wide; end-spine dark-colored, 12 mm. long, grooved (Engelm.) ; mar- 
gin probabij entire ; Bcape 24 dm. high, with lanceolate bracts 12 mm. 
branches 8 mm. apart, 12 mm. long; perianth nearly equal to ovary; tul>e 
short, broad; stamens inserted near the base of tube, short. — 1. c; 
Baker, Amaryllideae, 186; Terr. Monogr. 36. —Peach Springs, North- 
west Arizona, Dr. J. S. Newberry, March, 1848, altitude 4,0(}0 feet. 
group ; leaves rosolate, marked with impressions of adjoining leaves, 
with stout, horny end-spines; inflorescence paniculate, with clusters 
of flowers at ends of branches.— Euagave (Baker). Paniculatae 
(Engelm ); Cladagave, PanicuUJlorae (Terr.). 
Leaf with a homy margin which usually includes at least the upper teeth, 
and sometimes extends nearly or quite to base. — Scbmarginatab 
= Leaves very thick, fleshy, spreading. California. 
A. DESEBTi Engelm. — Leaves denj^ely clu.'Jtered, upper 
ones ascending, lower ones spreadinir, narrowed at a consid- 
erable distance above the base, broade.-^t above the middle, 
and slenderly acuminate at apex, 30 to 50 cm. long, 5.5 
to 6.5 cm. wide; end-spine o to 4 cm. long, slender, chan- 
neled, grayish xvith brown tip, very shortly decurrent; 
teeth stout, gray, 12 to 20 mm. apart, 3 to 4 mm. long, 
lanceolate-deltoid and recurved above, and minute, close- 
set, and turned upward below; scape 12 to 30 or even (>0 
dm. high; bracts close-set below, large, triangular, acumi- 
nate, clasping, appressed, dentate, and terminating in a 
slender black spine 12 to 18 ram. long; branches tran.-?- 
versely flattened; flowers 50 to 55 mm. long; perianth 
yellow, about same length as ovary; segments oblong : 
filaments inserted at base of segments, and twice their 
