53 
437. E. ageratoides, L. White Snake-root. 
Open woods, old yards and damp places; frequent. August — 
r September. 
Abundant in Niles woods. 
KTJHNIA, L. 
438. K. eupatorioides, L. 
Dry soil, roadsides, etc. ; frequent. August 15th — September. (B.) 
LIATRIS, Scbreb. Button Snake-root. Blazing Star. 
439. L. squarrosa, Willd. 
Dry banks, near the lake shore; not common. August. (B.) 
440. L. cylindracea, Michx. 
" » Prairies, dry fields, etc. ; frequent. July 25th — September, 
Common at Ravenswood, Hyde Park and southward. 
441. L. seariosa, Willd. 
Dry fields, prairies, etc.; common* south in sandy soil. August— 
September. 
A specimen was collected during the season of 1887, near Waldheim 
Cemetery, with white flowers. 
The heads of a plant found near Evanston were nearly two inches 
in diameter. A variable species. 
442. L. pycnostachya, Michx. 
Cj 1/ Prairies; Ravenswood, frequent, not so common elsewhere. (B.) 
443. L. spicata, Willd. 
Moist places; common. August — September. 
3 ' Specimens bearing white flowers were found at Ravenswood and 
Summerdale. 
GRINDELIA, Willd. 
-+> 444. G. squarkosa, Dunal. Grindelia. Gum Plant. 
Undoubted specimens have been collected in an unimproved field 
ngar South Evanston. The specimens were very resinous. 
After a thorough investigation, it is evident that the presence of this 
species — which is a native of the plains west of the Mississippi — 
within the limits of our Flora, cannot be accounted for in any 
other way than by introduction, although seemingly indigenous. 
Marcy, Boltwood , Johnson , Dunham/ (B. P.) 
SOLIDAGO, L. Golden-rod. 
445. S. caBsia, L. 
Rich moist woods and copses; infrequent. September. (B.) 
