EUPATORIUMS OF PERU. 69 
prove to be unappendaged, a matter not to be determined from a 
photograph, the only source of information at hand. 
1 - MICROSTEMON Cass. Dict. xxv. 432 (1822); Robinson, Proc. 
Am. Acad. liv. 295, 340, 356 (1918).— Cuzco: in cultivated ground, 
Santa Ana, alt. about 900 m., Cook & Gilbert, no. 1544 (U.S.). A weed 
in the country. 
52. E. viratBaE DC. Prod. y. 163 (1836); Bak. in Mart. Fl. Bras. 
vi. pt. 2, 305 (1876), excl. syn. E. remotifolium DC. which is exceed- 
ingly different— Loreto: near Tarapoto, Spruce, no. 4106 (Gr.). 
. EE. 1ncarum Robinson. Smooth, but sticky, much branched 
shrub; leaves small, suborbicular, obtuse, shortly subcuneate at base, 
denticulate, 3-nerved from the base, punctate; heads about 5-flow- 
ered, short-pedicelled, racemosely disposed on the branchlets of the 
panicle, about 6 mm. long; involucre subcylindric; scales about 
3-seriate, oblong, rounded at the tip, obscurely 2-3-ribbed, thin, 
subscarious brownish straw-colored, slightly puberulent; corollas 
3.7 mm, long, glabrous; the proper tube slender, 1.7 mm. long, the 
throat distinctly enlarged, cylindrical, 2 mm. long; anthers with an 
Ovate round-tipped membranaceous apical appendage; style-branches 
filiform, recurved, rounded and _ perceptibly enlarged at the tip; 
achenes dark-brown, 1.5 mm. long, tapering downward, somewhat 
atomiferous on the faces; pappus-bristles about 30, fulvous, attenuate, 
mm. long, nearly smooth.— Mem. Gray Herb. i. 122 (1917). Bac- 
charis microphylla DC. Prod. v. 406 (1836), not HBK. B. Candolleana 
Steud. Nom. ed. 2, i. 177 (1840). Brickellia microphylla (DC.) 
Hieron. in Engl. Bot. Jahrb. xxviii. 583 (1901), not Gray.— Peru 
WITHOUT Locatity, Haenke (DC., detail sk. Gr.). 
- E. WeBERBaAvERI Hieron. Round-branched shrub 1 m. high; 
branches dark-velvety, leafy; internodes rarely exceeding 6 mm. 
im length ; leaves opposite, broadly ovate-oblong, obtusish or acutish, 
cordate, nearly entire or slightly crenulate, feather-veined and reticu- 
lated, above a little puberulent on the nerves, but soon glabrate and 
Somewhat shining, below shortly white-velvety, the largest 1.5 cm. 
long, 1 cm. wide, on thickish petioles rarely more than 1.5 mm. long; 
heads densely and cymosely paniculate, 7—8-flowered, on pubescent 
Pedicels (2-5 mm. long); scales of the 4-5-seriate involucre about 15, 
: i outer) acutish, 3—5-striate, scarious, ochraceous, 
Buberulent, deciduous; corollas dull-yellowish, turbinate-subey lindric, 
gradually a little enlarged toward the summit, sprinkled with short- 
