56 Rhodora [Marcu 
A. ericoides L. Dry sandy soil; common in southern towns, be- 
coming less common northward, with hardly any reports from Essex 
County. 
A. ericoides L., var. villosus T. & G. Dry soil, Bedford (C. W. 
Jenks & M. L. Fernald, Sept. 10, 1899); dry open ground, Stoneham 
(F. W. Grigg, Nov. 5, 1911); dry field, Hingham (C. H. Knowlton, 
Sept. 18, 1910); dry field, Halifax (C. H. Knowlton & W. P. Rich, 
Sept. 23, 1906). 
A. Herveyi Gray. Borders of dry oak woods, rare; Brookline, 
W. Roxbury, Hyde Park, Milton. First discovered in 1866 at New 
Bedford by E. W. Hervey. 
A. infirmus Michx. Dry open woods, rare; Lincoln, Lexington, 
Concord, Carlisle; Acton (C. W. Swan) according to Dame & Collins, 
Fl. Middlesex Co. 48, 1888. 
A.laevis L. Dry sandy soil; very common except in southeastern : 
towns below Weymouth and Hingham.  Broad-leaved form (var. 
amplifolius Porter) reported from Essex County and W. Roxbury. 
A. lateriflorus (L.) Britton. Open ground, wet or dry, very common 
and variable. 
A. lateriflorus (L.) Britton, var. hirsuticaulis (Lindh.) Porter. 
Mt. Hope Station, W. Roxbury (E. Faxon, Oct. 2, 1889). Specimen in 
herb. W. Deane. 
A. linariifolius L. Dry sandy and gravelly soil, very common 
throughout. White-flowered form rare. 
A. longifolius Lam.  Moist soil, rare; Georgetown, Medford, 
Lexington, Brighton, W. Roxbury, Stony Brook Reservation, Blue 
Hill Reservation. 
A. macrophyllus L. Woods and low ground; common in general, 
but not reported from southeastern towns below Hingham. 
A. macrophyllus L., var. ianthinus (Burgess) Fernald. In 
similar places, occasional; Ipswich, Cambridge, Dorchester, Milton, 
Sherborn, Hopkinton. 
A. multiflorus Ait. Dry fields and roadsides, very common 
throughout. 
A. multiflorus Ait., var. exiguus Fernald. On rocks at edge of 
sea, Pride's Crossing, Beverly (Miss Anna L. Jackson, Oct. 2, 1894); 
Dedham (C. E. Faxon, no date); dry soil, Hingham (C. H. Knowlton, 
Oct. 8, 1916). 
