ROBINSON. — ON CERTAIN EUPATORIEAE. 199 
antheris linearibus apice cum appendice ovata obtusa scariosa munitis. 
— Alto del Tabano among the Andes of the southern Cordillera of Co- 
lombia, altitude about 3500 m., 4 May, 1876, #. André no. 3123 
(type, in Gray Herb.). 
Brickellia amplexicaulis, sp. nov., herbacea vel fruticulosa 1.3-1.8 
dm. alta; caulibus teretibus medullosis saepe purpureis copiose et pa- 
tente glandulari-pubescentibus ; foliis oppositis oblongis vel saepius 
ovato-oblongis crenato-serratis vel -dentatis basi arcte sessilibus late 
cordato-amplexicaulibus ad apicem obtusiusculum angustatis 8-13 em. 
longis 2.5-5.8 cm. latis utrinque pubescentibus subtus paulo pallidior- 
ibus saepe indumento densiori tectis pinnativenatis et a loco 1-1.5 em. 
supra basin 3-nerviis ; inflorescentia elongata laxe paniculata folioso- 
bracteata ; pedicellis ad 5 cm. longis filiformibus patente adscendentibus ; 
capitulis 1.2-1.5 mm. altis ca. 13-floris; involucri squamis angustis 
tenuibus attenuatis valde inaequalibus viridibus vel saepe purpuras- 
centibus vel etiam atropurpureis saltim exterioribus patente ciliolatis ; 
corollis 9 mm. longis gracillimis exacte tubulatis glabris, faucibus nul- 
lis, limbi dentibus brevissimis erectis ; styli ramis erectis nigrescenti- 
bus modice clavellatis ; achaeniis breviter sed dense hirsutulis ; pappi 
setis 50-60 laete albis quam corolla distincte brevioribus. —B. Wisli- 
zeni var. Gray, Pl. Wright. ii. 71 (1853). B. Wislizeni, var. panicu- 
lata Gray acc. to Pringle, Pl. Mex. (1885), nomen nudum. — Sonora : 
near Santa Cruz, 1851, Charles Wright, no. 1136 (type, in Gray 
Herb.) ; Huchuerachi, 4 December, 1890, Hartman, no. 325 ; Oakridge 
ass, Hartman, no. 333. Curauanua: rocky hills near the city of 
Chihuahua, 8 October, 1885, Pringle, no. 609; Sierra en Media, 28 
September, 1899, EZ. W. Nelson, nos. 6475 and 6491; near Batopilas, 
3-4 October, 1898, KH. A. Goldman, no. 204. Srvatoa: Cerro Colo- 
tado, 3 November, 1904, Brandegee. —This species, though somewhat 
variable in the breadth and toothing of the leaves, seems to be constant 
and readily recognizable as to essentials. It is readily distinguished 
from B. Wislizeni by its smaller decidedly fewer-flowered heads, — 
looser inflorescence, and larger leaves 
longis 1.2-1.5 om. latis. —B. Wislizeni Gray, var. lanceolata Gray, 
Syn. Fi. i. pt. 2, 107 (1884). — San Francisco Mountains, near Clifton, 
