108 Rhodora [May 
GNAPHALIUM. 
G. decurrens Ives. Dry soil, occasional from Blue Hills northward. 
G. obtusifolium L. (G. polycephalum Michx. See RHODORA xx. 
71-73,1918.) Dry fields, pastures and beaches, very common through- 
out. 
G. PuRPUREUM L. Ipswich (J. A. Lowell, no date); dump, Lowell 
(C. W. Swan, Aug. 6, 1884). 
G. uliginosum L. Weed in rich moist soil, common. 
GRINDELIA. 
G. ROBUSTA Nutt. Colburn’s mill yard, Lowell (C. W. Swan, 1885). 
Specimen in herb. N. E. Botanical Club. Native on the Pacific 
coast of the United States. 
HELENIUM. 
H. AUTUMNALE L. Merrimac River, Essex County (Miss Prince, 
October, 1887). Specimen in herb. Boston Soc. Nat. Hist. 
H. NUDIFLORUM Nutt. A rare waif at Andover, Concord, Sherborn 
and Duxbury. 
H. rENUIFOLIUM Nutt. Introduced, probably with wool, rare; 
Georgetown, Malden, Danvers, S. Boston. 
HELIAN' THUS. 
H. ANNUUS L. Vacant lots and dumps, especially near the cities; 
frequent and variable. 
H. divaricatus L. Dry open woods and roadsides, common. 
H. DEBILIS Nutt., var. CUCUMERIFOLIUS Gray. Waste ground, 
Fenway, Boston (4. S. Pease, Oct. 10, 1906). Specimen in herb. 
N. E. Botanical Club. Native from Texas westward. 
H. decapetalus L. A plant of rich alluvial soil; Georgetown (Mrs. 
C. N. S. Horner, 1876); Tewksbury (C. W. Swan, July 7, 1883); 
reported from Lowell, Medford and Malden in Dame & Collins, 
Fl. Middlesex Co. 52, 1888. 
H. argaNTEUS L. Melrose (T. Morong, 1876); grove on Center 
St., Milton (N. T. Kidder, Sept. 8, 1918). 
H. GROSSESERRATUS Martens. By brook at west base of Zion's 
Hill, Woburn (M. L. Fernald, September, 1899); escape at Needham 
(J. R. Churchill, Aug. 31, 1901); rubbish, edge of salt-marsh, Milton 
