COLOMBIAN EUPATORIUMS. 305 
0. Petioles longer, mostly 0.8-5 cm. in length gq. 
q. coal eltoid; achenes with pai RE a ribs 
70. 
tween the 5 chief angles or ribs......... E. intercostulatum. 
q. Leaves oe to suborbicular; achenes 
5-costate : 
ee Entirely ‘gabrows or the branchlets and pedicels 
. with traces of minute pubescence of incurved non- 
glandular oe pons rounded at base; heads 
Ginait 25 Aowetad 6... ceric ee ee 71. E. Dombeyanum. 
fi cose be ent oh pwite in the inflorescence, the hairs 
tipped ; leaves 2-4 cm. long, obtuse, rounded, 
or seieedatea base. 6545 2 eee 72. E. azangaroense. 
Puberulent; leaves rather large, as much as 1 dm. 
and 8 cm. wide, cordate with an-open sinus 
sin shortly acuminate at the insertion; heads 
es about 30-flowered........... 3. E. microcephalum. 
with lon g spreading: —— dark- 
Sontod hairs; icaria 25-4 red 
* 
“<5 
SE 
3 
s. Petioles 8-15 mm. lo ee “haces peter is and : 
crenately oe. 10-toothed on eac ch side... .. 74. E. articulatum. 
8. Petioles (1.5-)2-6 em. long ; leaves ee or 
crenately BE Sera an ‘each si 
Heads 25-35-flowered, about 6 1 mm. high; 
pai bist white, ‘connate at base into a 
somewhat conspicuous ring; achenes enon 
rather copiously pubescent...........- 75. E. ibaguense. 
~ 
en) 
® 
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r. Dense a chiefly with gland-tipped hairs; 
_ leaves deeply cordate by a closed sinus; heads 50- 
60-flowered 77. E. Apollinairei, 
53. E. amplum Benth. Smooth and viscid shrub, 1-2 m. high; 
branches nearly or quite terete, dark-purple and very sticky, leafy to 
the terminal sessile pyramidal panicle; leaves opposite, petiolate, 
riers coriaceous, glabrous and with a fine prominulent reticulation on 
th aie oblong, acuminate, rounded at base, serrulate, 1.5-2 dm. 
3-4 cm. wide or more, pinnately veined; panicle 1-2 dm. in 
diameter, lax; heads 11-15-flowered, 6 mm. high, about 3 mm. in 
diameter; es of the campanulate involucre 1-nerved, subequal, 
ciliate, the outermost linear, the intermediate oblong, acutish, the 
innermost spatulate; corolla 4 mm. long (young), beset with sessile 
glands on the proper tube.— Pl. Hartw. 200 (1845). 
1 ConBamanc A: on the Cordillera de los Andes, near Bogota, Hartweg, no. 
(sk. and fragm., Gr.), 
Wrrnour Locality: Triana, no. 1226 (K.). 
