174 Order CAMPANULALES 
Pappus of chaffy scales or wanting. 7. Heleniez. 
Pappus of capillary bristles. 9. Senecionez. 
Receptacle chaffy, each flower in the axil of a bract; pappus 
never of capillary bristles. 5. Heliantheez. 
Involucral bracts scarious. 
Pappus usually present, capillary; anthers caudate. 4. Inulez. 
Pappus never capillary. often reduced or wanting; anthers 
not caudate. 8. Anthemidez. 
Tribe 1. VERNONIEZ. 
1. Vernonia. 918. 
Leaves lanceolate, pinnately veined. 
Involucral bracts with recurved or spreading tips, leaves tomen- 
tose beneath. 1. V. baldwinii. 
Involucral bracts with appressed tips. 2. V. fasciculata. 
Leaves linear, one-nerved. 3. V. marginata. 
1. Vernonia baldwinii Torr. Baldwin’s Ironweed. 
A common weed in dry soil. Arcadia; Bertrand; Callaway; Minden; 
Red Cloud; Weeping Water. 
2. Vernonia fasciculata Michx. Western Ironweed. 
A common weed, especially in low pastures. Bellevue; Culbertson; 
Grand Island; Grand Rapids; Laurel; Lincoln; Minden; Nemaha; 
Red Cloud; Valentine; Wahoo. 
3. Vernonia marginata (Torr.) Britton. 
In dry prairies. Fremont. 
Tribe 2. EUPATORIEZ. 
Heads in broad cymes or panicles. 
Pappus merely scabrous, not plumose. 
Leaves usually narrowed at the base, not cordate; achene 5- 
angled. 1. Eupatorium. 
Leaves broad and cordate at the base; achene 10-ribbed or 10- 
striate. 2. Coleosanthus. 
Pappus plumose; achenes 8—10-striate. 3. Kuhnia. 
Heads in elongated spikes or racemes; pappus often plumose. 
4. Lacinaria. 
1. Eupatorium. 920. 
Leaves mostly verticillate in 3’s—6’s, the upper sometimes opposite; 
flowers mostly pink or purple. 
Inflorescence depressed, flat-topped. 1. E. maculatum. 
Inflorescence pyramidal, the top rounded. 2. E. purpurum. 
Leaves mostly opposite, some of the lower sometimes verticillate; 
flowers white or blue. 
Leaves perfoliate. 4. E. perfoliatum. 
Leaves not perfoliate. 
Leaves narrow at the base, gradually tapering to the petiole. 
3. E. altissimum. 
Leaves broad at the base, abruptly narrowed to the petiole, 
sometimes cordate. 5. E. urticefolium. 
