52 
VALEB1ANELLA, Tourn. 
429. Y. chenopodifolia, D C. Corn Salad. 
Fedia fagopyrum, T. & G. 
Swamps near Lake Calumet, east of M. C. R. R. June 1885-86. 
(B. P.) 
Evidently introduced from the east. So far as we know, no other 
specimens have been found. 
480. V. radiata, Dufr. Corn Salad. 
Fedia radiata , Michx. 
Lake Calumet, June, 1882, University of Chicago Herbarium . (B.) 
DIPSACE-ZE. 
DIPSACUS, Tourn. 
481. D. sylvestkis, Mill. Wild Teasel. 
Rare. 
Near Austin, on C. & N. W. R.R.; evidently introduced. Hyde Park 
and Washington Heights, University of Chicago Herb. (B.) 
COMPOSITE. 
VERNONIA, Schreb. Iron-weed. 
432. v. fascieulata, Michx. 
Prairies, open woods and banks; common. August — September. 
Very variable. In two or three localities near Grand Crossing, its 
similarity to the next species is easily shown. Plants growing 
near each other and under the same conditions, show a quite per- 
fect gradation between the two types. Several specimens attained 
a height of 9 feet. 
433. V. noveboracensis, Willd. 
Banks of streams; infrequent. August. (B.) 
The later flowers are usually lighter colored than the earlier ones. 
EUPATORIUM, Tourn. 
/ 434. E. purpureum, L. Joe-pye-weed. Trumpet-weed. Purple 
Boneset. Queen-of-the-Meadow. Gravel-root. - . 
Low places; infrequent. July 25th — September. I 
Very variable in size. 
435. E. sessilifolium, L. Upland Boneset. 
Banks of ravines ; probably rare, except in the northern part of our 
district, where it is infrequent. August. (B.) 
436. E. perfoliatum, L. Boneset. Thoroughwort. 
Prairies and low places; common, abundant locally. August— 
September. 
