16 Rhodora [JANUARY 
AMELANCHIER. 
See RHODORA xiv. 117-161, 1912. 
A. laevis Wiegand. Woods and thickets. Not reported from 
southeastern towns, but reported as common elsewhere. 
A. oblongifolia (T. & G.) Roem. Swamps, thickets and road- 
sides, very common throughout. 
A. sanguinea Wiegand. Rich woods, Groton (C. H. Knowlton, 
May 13, 1905). See Ruopora xiv. 240, 1912. 
A. stolonifera Wiegand. Dry sandy soil and ledges, common 
throughout. A form with small petals has been discussed in RHODORA 
x. 33, 1908, by B. L. Robinson, as var. micropetala; in RHODORA xiv. 
132-134, 1912, by K. M. Wiegand, as a possible hybrid (A. oblongifolia 
X stolonifera); and in Ruopora xviii. 48-49, 1916, by C. A. 
Weatherby, as a teratological form. 
A. laevis Wiegand X oblongifolia (T. & G.) Roem. Frequent 
where both species are found. 
CRATAEGUS. 
C. alnorum Sarg. Dedham (E. F. Williams, May 24, 1896). 
C. apposita Sarg. Tyngsboro (F. S. Collins, May 15, 1910); 
Hopkinton (F. S. Collins, May 30, 1887). 
C. Arnoldiana Sarg. Bussey Brook, Arnold Arboretum, type 
station (J. Robinson, May, 1880, et al. to date); Lowell (C. H. 
Morss, May 28, 1901); Medford (L. L. Dame, —, 1887); Mystic 
Pond near end of Hastings Lane, Medford (C. S. Sargent, Sept. 7, 1901). 
C. Brainerdi Sarg., var. Egglestoni (Sarg.) Robinson. One sta- 
tion, Wellesley (K. M. Wiegand, —, 1909). 
C. CRUs-GALLI L. Introduced near Jamaica Pond [W. Roxbury] 
(C. E. Faxon, no date). 
C. intricata J. Lange. (C. coccinea Eggleston in Gray’s Manual, 
ed. 7, 1908). Peabody, Winthrop, Dedham, Sharon, Southborough, 
Medfield. 
C. macrosperma Ashe. Pastures and thickets, frequent. 
C. macrosperma Ashe, var. acutiloba (Sarg.) Eggleston. Occa- 
sional. 
C. macrosperma Ashe, var. pastorum (Sarg.) Eggleston. Wel- 
lesley (K. M. Wiegand, Sept. 20, 1909). 
