ASTERACEAE: EUPATORIEAE 169 
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. purpureum. 
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 some- 
times cordate. 5, E, ageratoides. 
1. Eupatorium maculatum L. Spotted Joe-pye Weed. 
Eupatorium rydbergii Britton. ' 
Moist ground in the eastern part of the state. Burnett; Ft. Niobrara; 
Nemaha; Valentine. 
2. Eupatorium purpureum L, Joe-pye or Trumpet Weed. 
In moist soil mostly in the eastern part of the state. Bellevue; 
Dakota County; Dismal River; Long Pine; Paddock; Richardson 
County; Squaw Canon, 
3. Eupatorium altissimum L, Tall Thoroughwort. 
In dry soil in the eastern part of the state. Crete; Grand Island; 
Bellevue; Lincoln; Red Cloud; Weeping Water. 
4. Eupatorium perfoliatum L. Common Thorougnwort. 
Common in wet soil over most of the state. Anselmo; Dismal River; 
Franklin; Endicott; La Platte; Long Pine; Nebraska City; Plainview; 
Royal; Turkey Creek; Valentine. 
5. Eupatorium ageratoides L. f. 
Eupatorium urticaefolium Reichard. 
In woods in the eastern part of the state. Carns; Crete; Long Pine; 
Lincoln; Nebraska City. 
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2. Coleosanthus. 924, 
1. Coleosanthus grandiflorus (Hook.) Kuntze. 
In the southern and western part of the state. Banner County; Guide 
Rock; Red Cloud. 
3. Kuhnia. 924. 
Pubescence minute. leaves sparingly dentate or entire, heads 10 mm. 
or less high. 1. K, eupatorioides. 
More pubescent, leaves sharply serrate, heads over 10 mm. high. 
2. K. glutinosa. 
1. Kuhnia eupatorioides, False Boneset. 
In dry soil over most of the state. Callaway; Crete; Lincoln; Loup 
City; Nebraska City. 
2. Kuhnia glutinosa Ell. 
Kuhnia eupatorioides var. corymbulosa T. & G. 
In dry soil all over the state. Banner County; Lincoln; Long Pine; 
