COLOMBIAN EUPATORIUMS. 319 
Key To SPECIEs. 
Cauline leaves ovate, petiolate....................00. 78. E. pauciflorum. 
Cauline leaves lance-linear, sessile or nearly so........... 79. E. kleinioides. 
78. E. pauciflorum HBK. Weak hispid-pubescent decumbent 
annual 2-5 dm. high; leaves opposite, short-petioled, ovate, acutish, 
sharply serrate (the teeth few, often only 3-4 on each side), acutish at 
the base, 1.5-6 cm. long, two-thirds as wide, sparingly to rather 
densely covered with jointed white long non-glandular hairs; heads 
about 30-flowered, long-pedicelled, erect, mostly in irregular 3-5- 
headed terminal cymes; involucral scales stramineous, about 3- 
seriate, 3-nerved, the inner obtusish and usually mucronate, the outer 
acute, all promptly deciduous; corollas bluish-white or pale lilac; 
achenes black, 2 mm. long, 5-angled but often somewhat flattened, 
tapering somewhat toward the base and contracted at the summit, 
upwardly hispid on the faces.— Nov. Gen. et Spec. iv. 120 (1820). 
Prazelis villosa Cass. Dict. xliii. 261 (1826). Bulbostylis ? pauciflora 
(HBK.) DC. Prod. v. 139 (1836). Oocliniwm depressum Gardn. in 
Hook. Lond. Jour. Bot. vi. 437 (1847). _E. urticifolium Bak. in Mart. 
Fl. Bras. vi. pt. 2, 343, t. 91 (1876); probably also Hieron. in Engl. 
Bot. Jahrb. xix. 45 (1894), not E. urticaefolium L.f. Ooclinium Sideritis 
DC. Prod. v. 134 (1836). O. villosum (Cass.) DC. l.c. Haberlea 
divaricata Pohl ex Bak. 1. c., in syn. Bembicium pilosum Mart. ex 
Bak. 1. e. 344, in syn. 
Cauca: Popayan alt. 1500-2000 m., Lehmann, no. B. T. 1149 (Gr.). 
Totma?: in open thickets of savannahs near Dolores, alt. 1200-1600 m., 
Lehmann no. 7486, cited by Hieron. 1. c. as E. urticifolium. 
Wirsovt Locauiry: Humboldt & Bonpland (Par., phot. Gr.). 
[Venezuela, Guiana, Brazil.] 
The name E. pauciflorum appears to be the oldest available of many 
Which this somewhat variable yet always pretty readily recognizable 
Species has borne, the name urticaefolium (arbitrarily altered to urtict- 
folium) being inapplicable both because the type of Linnaeus filius, still 
i existence, has proved to be quite a different species and because the 
name is antedated by the valid homonym of Reichard now in use for 
@ North American plant. 
79. _ =. kleinioides HBK. Slender fibrous-rooted annual 1.5-6 
dm. high, erect or ascending, with sparse spreading setose pubescence; 
leaves opposite, sessile, acute, subentire or remotely serrate, setose 
on both surfaces, the cauline linear or narrowly lanceolate, mostly 
