COLOMBIAN EUPATORIUMS. 305 



0. Petioles lon};or, mostly O.S-.j cin. in k'nt^fh 7. 



q. Leaves deltoid; achenes with supplementary ribs 



between the 5 ehief angles or ribs 70. E. intcrcostulafum. 



q. Leaves ovate-lanceolate to suborbicular; achenes 

 5-eostate r. 



r. Entirely filabrous or tiie hranchk^ts and ])edicels 

 with traces of minute pubescence of incurved non- 

 <z;landular hairs; leaves rounded at base; heads 



about 2o-flowered 71. E. Dombeyanum. 



r. I'uberulent at least in the inflorescence, the hairs 

 gland-tipped; leaves 2-4 cm. long, obtuse, rounded, 



or subcordate at base 72. E. azangaroense. 



r. Puberulent; leaves rather large, as much as 1 dm. 

 long and 8 cm. wide, cordate with an open sinus 

 and shortly acuminate at the insertion; heads 4-6 



mm. long, "about 30-flowered 73. E. microcephalum. 



r. Mllous with long spreading attenuate dark- 

 jointed hairs; heads 25-45-flowered s. 

 s. Petioles 8-15 mm. long; leaves coarsely and 



crenately 7-l()-toothed on each side 74. E. articulatum. 



s. Petioles (1.5-)2-6 cm. long; leaves serrately or 



crenately 12-18-toothed on each side t. 



t. Heads 25-35-flowered, about 6 mm. high; 



pappus-bristles white, connate at base into a 



somewhat conspicuous ring; achenes usually 



rather copiously pubescent 75. E. ibagiiense. 



t. Heads 40-45-flowered, about 8 mm. high; 

 pappus-bristles at first white but soon slightly 

 recldish- or brownish-tinged, scarcely at all 

 connate at base ; achenes liispid on the angles 



76. E. pichinchense. 

 r. Densely pubescent 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, 

 firm, coriaceous, glabrous and with a fine prominulent reticulation on 

 both surfaces, oblong, acuminate, rounded at base, serrulate, 1.5-2 dm. 

 long, 3^ 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; scales 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. — PI. Hartw. 200 (1845). 



CuNDiNAMARCA : on the Cordillera de los Andes, near Bogotd, Hartweg, no. 

 1103 (sk. and fragm., Gr.). 

 Without locality: Triana, no. 1226 (K.). 



