F iis 
ROBINSON. — ON CERTAIN EUPATORIEAE. 197 
tain from the number of involucral scales and of the florets in the head 
that. the plant is not a Mtkania, nor from its habit and alternate leaves 
does it seem likely that it belongs in the tribe of the Hupatorieae. 
Mikania paezensis, sp. nov., scandens ; caule et ramulis striatis 
a tomento brevi fusco vel atropurpureo etiam fere nigrescenti tectis ; 
foliis longiuscule petiolatis oppositis ovatis acutis crenato-denticulatis 
supra bullato-rugosis pubescentibus subtus pallidioribus tomentosis basi 
sinu patenti cordatis ca. 4.5 cm. longis ca. 3.5 em. latis ; petiolo tomen- 
toso 3-3.5 cm. longo; corymbis ad 7 cm. longe pedunculatis 6-10 em. 
diametro planiusculis tomentellis, bracteis foliaceis reductis 0.8—1.6 em. 
longis ovatis petiolatis, pedicellis gracilibus 4—6 mm. longis ; capitulis 
ca. 12 mm. longis; involucri squamis lanceolato-oblongis acutiusculis 
dorso fusco-tomentellis 8-9 mm. longis ; corollis 5-6 mm. longis, tu 
gracili, faucibus campanulatis, limbi dentibus 5 latissime triangularibus 
erectiusculis apicem versus tomentellis ; achaeniis 5 mm. longis atro- 
brunneis glabris deorsum decrescentibus argute 5-costato-angulatis ; 
costis albidis minutissime scabratis. — Las Escaleretas, Moras Valley, 
Rio Paez basin, Tierra Adentro, State of Cauca, Colombia, altitude 
2500-3000 m., February, 1906, Pittier, no. 1336 (type, in U. 8. we 
Mus., fragm. in Gray Herb.). Notwithstanding its constantly a 
achenes this species seems to be suspiciously near the plant ay 3 
below as Kanimia violascens. The two differ sufficiently m i 
indumentum, length of peduncles, size of heads, ete., to —_— “alin 
as species, but in placing them in different genera (thoug “ey yt 
nical characters appear to require it) there seems - 
artificiality. 
parviflorum Aubl. Fl. Guian. 1. dhe a ah 
of this widely distributed and moderately vari al age 
added, in the opinion of the writer, the following: Mifania clini 
Klatt, Bull. Soc. Bot. Belg. xxxi. 195 (1892) ps i Rusby, Bull. 
Am. Acad. xxxii. 12 (1896), and Willoughbya sited this species 
N.Y. Bot. Gard. iv. 383 (1907). cere | 
tanges from Costa Rica to Guiana and Dou’ i atorium suleatum 
Mikania suleata (Hook. & Arn.), comb. nov. Mikania penstemon- 
Hook. & Arn. Comp. Bot. Mag. i. 243 (1885). : "Bak. in Mart. FL 
pete. Prod. v. 189 (1836). J. 
Bras. vi. pt. 2, 221 (1876). bins sr. ambigua (DC.), 
Skene sulcata (Hook. & Am. Ro 336) sin 
comb. nov. M. ambigua DO. Prod. v: 187 O899% 93) (976), 
var, ambigua (DC.) Bak. in Mart. Fl. Bras. vi. pt % * 
