1924] Flora of the Boston District, -X1 35 
AMBROSIA. 
A. APTERA DC. Huntington Ave., Boston (Wm. Boott, Sept. 12, 
1879; C. E. Perkins, Sept. 20, 1880); waste land, S. Boston (C. E. 
Faxon, Sept. 30, 1878; H. A. Young, Sept. 25, 1879); Sharon (S. F. 
Poole, September, 1900). Range from Texas to Arizona and ad- 
jacent Mexico. 
A. ARTEMISHFOLIA L. Dry fields and roadsides, too common 
throughout. 
A. TRIFIDA L. Waste places, occasional from Milton and Boston 
west and north. 
A. TRIFIDA L., var. INTEGRIFOLIA (Muhl.) T. & G. Sidewalk, 
Brewster Place, Cambridge (W. Deane, Aug. 17, 1888); grassland, 
Sherborn (Miss M. L. Loomis, Aug. 9, 1911). 
ANAPHALIS. 
A. margaritacea (L.) B.& H. Dry upland, frequent throughout 
ANTENNARIA. 
. canadensis Greene. Dry fields and hillsides, common. 
. fallax Greene. Dry open places, common throughout. 
. neglecta Greene. Fields, common throughout. 
neodioica Greene. Dry fields and open woods, common 
throughout. 
A. neodioica Greene, var. grandis Fernald. Off Clark Road, 
Brookline (F. F. Forbes, May 25, June 6, 1904). Specimens in herb. 
Gray. 
A. occidentalis Greene. Sterile field, Hamilton (F. T. Hubbard, 
June 14, 1913); clay roadside, Wakefield (R. C. Bean, June 3, 1916 
et al. to date); dry field, Halifax (4. S. Pease, May 30, 1907); dry 
soil, Sherborn (Miss M. L. Loomis, May 19, 1911). 
A. Parlinii Fernald. Dry open woods and fields; frequent from 
Boston north and west. 
A. petaloidea Fernald. Dry hillside, Lexington (M. L. Fernald, 
May 11, 1913); N. Easton (A. A. Eaton, May 21, 1903). 
A. plantaginifolia (L.) Richards. Dry soil, common throughout. 
A. plantaginifolia (L.) Richards., var. petiolata (Fernald) Heller. 
Nine stations north and west of Boston. See Muhlenbergia i. 5. 
1900 
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