10 LEAFLETS. 
K. BETUL@FOLIA. Near E. occidentalis, like it in size and 
habit, but all the foliage opposite; leaves of broad and deltoid 
outline, with an abrupt acumination and coarse serrate teeth : 
inflorescence much more open and heads fewer; bracts of the 
involucre broader, firmer, rather strongly 2-ribbed: corolla 
pinkish, with broad and short throat and much more deeply 
cleft limb: achenes black, hirtellous. 
This is Mr. Pringle’sn. 1263 from Chihuahua, distributed for 
a variety of Lupatorium occidentale, from which it differs widely 
by its opposite and very birch-like leaves, and still more certainly 
by the form of its corollas, this in K. occidentalis being narrow 
and tubular in comparison, with very short teeth. 
K. SUBINTEGRA. Shrubby, glabrous: leaves 2 or 3 inches 
long, deltoid-ovate, acuminate, subtruneate or abruptly tapering 
at base, short-petioled, obscurely and remotely denticulate : 
cymes subsessile among reduced leaves at the ends of all the 
branches: involueres long and narrow, the inmost of the few 
bracts striate, the outer glabrous or glandular-puberulent: 
corollas with slender tube and funnelform rather deeply cleft 
limb: achenes setulose. 
Pringle’s 3311 from San Luis Potosi, published by Mr. Robin- 
son as a variety of Æ. Espinosarum, though specifically distinct 
by characters of foliage, inflorescence, and especially by its 
elongated heads. 
K. AMPLISSIMA. Stout, several feet high, branched above to 
form a somewhat leafy thyrsoidal inflorescence: larger leaves 5 
inches long, 3 or 4 in breadth, obtusely somewhat deltoid-ovate, 
crenate, glabrous: pedicels and rather large involucres with a 
short harsh pubescence: corollas tubular-funnelform; achenes 
glabrous. 
Pringle’s 2878, from Jalisco, Mexico, 1889, distributed as a 
variety of Æ. amplifolium, from which this differs exceedingly 
in habit, foliage, inflorescence and achenes; for in the real X. 
amplifolia there are angular and acute leaves, a naked-peduncled 
terminal cyme, scaberulous achenes, etc. 
K. sp, Herbaceous, erect, 2 feet high or more, simple up 
to the cymose-panicled summit, the stem, and leaves beneath, 
of a dark red-purple, the petioles and nodes hirsute with a 
