60 
ERIGERON, L. Erigeron. Fleabane. 
501. E. canadensis, L. Horse-weed. Butter-weed. 
Dry prairies, waste fields, etc. ; everywhere common, often abundant. 
July — September. 
502. E. divaricatus, Michx. Dwarf Fleabane. 
Dry sandy soil near the state line, north to South Chicago, and west 
to M. C. R. R. tracks; rare. June. (B.) 
Only five specimens have been reported. 
508. E. annuus, Pers. Daisy Fleabane. Sweet Scabius. 
Everywhere in rather dry, waste places; common or abundant. 
June — September. 
A specimen cultivated under the direction of the writers has dark 
purple rays. 
-f 1 501. E. strig’OSUS, Muhl. Daisy Fleabane. 
In similar localities with the last; frequent. June 15th — August. 
i i * 
505. E. bellidifolius, Muhl. Robin’s Plantains. 
Moist prairies, banks and copses; common. May — July. 
Occasionally the rays are white. 
1 506. E. philadelphieuS; L. Common Fleabane. 
Open woods, prairies and banks; frequent. June — July 25th. (B.) 
PLUCHEA, Cass. 
607. P. camphorata, D C. Marsh Fleabane. 
Includes P. fcetida, D C. 
Rare. July. 
Banks of the Desplaines river, near Maywood. Near South Chicago, 
Herman Jaeger. (B.) 
ANTENNARIA, Gaertn. 
508. A. plantagdnifolia, Hook. Plantain-leaved Everlasting. Cat’s- 
paw. Mouse-ear. 
Everywhere in dry soil; common, often abundant. March— June. 
At Palatine a few young specimens were found with the under side 
of the leaves green, and nearly free from pubescence. 
AKAPHALIS, D C. 
509. A. margaritacea, Benth. & Hook. Pearly Everlasting. 
Antennaria margaritacea f R. Br. 
Dry open woods and fields ; infrequent or rare. July — August. (B.) 
A form with broadly ovate, lower leaves is occasionally found in 
shaded places. 
