COLOMBIAN EUPATORIUMS. 321 
id 
angular, the base truncate or nearly so........ 2. E. pauperatum, 
c. Leaves glabrous above (or with obscure vestiges of arach- 
i th 
cate, or cordate at the base................ 83. E. ee 
é. Leaves lance-ovate to lanceolate, acute at base. ..84. E. lanulatum. 
a. Leaves pinnately veined f. 
f. Leaves lanceolate, small, mets 1—2 em. long; lateral veins 
d 
oneach side of the midrib... ........../¢5...5, 84. EF. lanulatum. 
J. Leaves narrowly oblong, 3-6 em. long; veins 12-18 on each 
eee Me I a oes ers bo 85. E. stoechadifolium. 
80. E. ballotaefolium HBK. Weak branching herb or under- 
shrub reaching 1 m. in height; stems flexuous, green, densely glandular- 
puberulent to -tomentellous; leaves opposite or (at least the upper) 
alternate, light-green, softly membranaceous (sometimes becoming 
stiffish in age), acute, subtruncate or shallowly cordate at base, 2.5-4 
em. long, three-fourths as wide, 3-5-nerved, softly pilose on both 
surfaces, paler beneath ; petiole about 1.5 cm. long; heads 30-50- 
flowered, 5 mm. high, in small dense terminal corymbs disposed in a 
loosely and often irregularly branched open inflorescence; involucre 
campanulate, the scales about 30, acute; corollas lilac or blue 
(Pennell).— Nov. Gen. et Spec, iv. 121 (1820); Bak. in Mart. Fi. 
Bras. vi. pt. 2, 360 (1876); Klatt in Engl. Bot. Jahrb. viii. 34 (1887). 
E. urticaefolium L. f. Suppl. 354 (1781), not Reichard, nor Bak. 
Conoclinium prastifolium DC. Prod. v. 135 (1836); Deless. Ic. iv. 6, t- 
15 (1839). E. nepetoides Lindl. ex DC. l. c. in synon. Conoclinium 
Pallotaefolium (HBK.) Sch. Bip. ex Bak. 1. c. in synon. E. balloti- 
folium [HBK.] Ktze. Rev. Gen. i. 337 (1891); Heering, Mém. Soc. 
neuchat. Sci. Nat. v. 418 (1913). 
Cunpinamarca: Guadalupe, alt. 3000 m., Bros. Apollinaire & Arthur, no. 
30 (U.S.); La Pefia. alt. 2800 m., Bros. Apollinaire & Arthur, no. 46 (U. 8.); 
dry meadow near Bogoté, alt. 2800-2900 m., Pennell, no. 2311 (Gr.). 
Antioquia: San Cristobal, alt. 2800 m., Bros. A pollinaire & Arthur, no. 98 
(Gr.); cultivated ground, Yarumito, Mayor, no. 569, acc. to Heering, |. c. 
ITHOUT Locatity: Mutis (Linn. Soc., phot. Gr.); Humboldt & Bonpland 
(Par., phot. Gr.); Otto, no. 687 (Gr.); Triana, no. 1190 (K.). 
(Venezuela, Margarita Island, Brazil.} 
Variable, passing in Brazil into forms with smaller and more sharply 
toothed leaves. In Colombia the following varieties may be dis- 
. ed on involucral characters: : 
ar. typicum. Involucral scales lanceolate, moderately firm in 
