Jones: Flora of Illinois, 152. Compositae 249 



more or less puberulent; moist ground in the s. half of the state, extend- 

 ing northw. to Adams and Champaign counties. July-Oct. Mist Flower 

 E. coelestinum L. 



7. MiKANIA Willd. 



M. scandens (L.) Willd. In alluvial soil, occasional. Aug. -Sept. 



8. KuHNiA L. — False Boneset 



K. eupatorioides L. Prairie soil, often along roads, common. Aug. -Oct. 

 \K. suaveolens Fresen.} 



9. LiATRis Schreb. — Blazing-star 

 (Lacinaria Hill) 



1. Pappus evidently plumose; heads few, racemose, cylindrical, 15-60- flowered, 

 1.5-2 cm. high. 

 2. Stems and leaves glabrous or nearly so; bracts glabrous on the back, thin, 

 appressed, the inner ones mucronate; roadsides, prairie soil, or on hill- 

 sides, throughout 111. except the s. counties. Aug.-Sept 



L. cylindracea Michx. 



2. Stems and leaves pubescent; bracts pubescent, lanceolate, acuminate, firm, 



rigid, more or less squarrose; dry soil, s. III., extending northw. to St. 



Clair and Wabash counties [L. hirsuta Rydb.} 



L. squarrosa (L.) Willd. 



1. Pappus barbellate or scabrous; heads numerous in elongate spikes. 



3. Heads ellipsoid, 3-15-flowered. 



4. Rachis of spike crisp-pubescent; bracts ciliate, acute, the tips spreading; 



prairies, rare. July-Aug. [L. pycnostachya of auth., not Michx.] 



L. bebbiana Rydb. 



4. Rachis of spike glabrous; bracts obtusish, appressed; prairies and inter- 



dunal flats, chiefly in the n. part of 111. July-Sept 



L. spicata (L.) Willd. 



3. Heads hemispherical or campanulate, 15-45-flowered; bracts oval or sub- 

 orbicular, erose; rachis of inflorescence pubescent; roadsides, prairies, 

 and open woods. Sept. -Oct. White-flowered plants occur. [L. scariosa 

 of auth., not L.} L. aspera Michx. 



Tribe 4. Astereae 

 10. Grindelia Willd. — Gumweed 



G. squarrosa (Pursh) Dunal. Waste ground, fields, and roadsides, occa- 

 sional; adv. from w. U.S.; known in 111. from Cook, La Salle, Henry, and 

 Fayette counties. July-Aug. 



11. Chrysopsis Nutt. — Golden-aster 

 C. yillosa (Pursh) Nutt. Sandy soil, locally in the w. half of the state 

 from Lee Co. to St. Clair Co. June-Sept. 



12. Solidago L. — Goldenrod 



(Euihamia Nutt.; Oligoneuron Small) 

 1. Heads distinctly pedicellate; ray-flowers usually fewer than the disk-flowers; 

 receptacle pitted; leaves not punctate. 



