HOFFMANN: FLORA OF BERKSHIRE COUNTY. 281 
West Stockbridge Mt. and Harvey Mt., West Stockbridge; Tom 
Ball, Alford. Also on a wooded bank at a low altitude in Sheffield. 
Although this species is commonly considered a calcicole, all the above 
stations except that in Sheffield were found to be in acid soil. 
A. stolonifera Wiegand. — (A. oblongifolia Man. ed. 7 in part; 
vid. Rhodora, 14: 144, 1912. A. spicata 111. Fl. ed. 2.) 
Rocky summits and sand-plains. Frequent in the southern part 
of the valley and on the Taconics. 
Hybrids of Amelanchier. 
Several aberrant specimens of Amelanchier from Berkshire sub- 
mitted to Professor Wiegand were determined by him as hybrids of 
A. laevis, in one case probably with A. canadensis and in other cases 
with an undetermined parent. 
Hybrids of A. canadensis and A. stolonifera from the rocky summit 
of West Stockbridge Mountain and the sand-plain, Sheffield, have 
been determined l)y Professor Wiegand. 
CRATAEGUS. Hawthorn; Red Haw. 
C. anomala Sarg. — North Adams. 
C. Brainerdi Sarg., var. asperifolia (Sarg.) Eggleston. — North 
Adams; Alford. 
var. scabrida (Sarg.) Eggleston. — Williamstown. 
C. Crus-galli L.— Becket. 
C. foetida Ashe. — (C Baxteri Sarg.) 
Great Barrington. 
C. Holmesiana Ashe. — Lanesboro; Lenox; Stockbridge. 
C. macrantha Lodd. — {C. fcrcntaria Sarg.) 
Common. 
var. rhombifolia (Sarg.) Eggleston. — Great Barrington. 
C. macrosperma Ashe. — Common. 
var. demissa (Sarg.) Eggleston. — Lenox. 
var. matura (Sarg.) Eggleston. — (C. serena Sarg.) 
Lenox. 
var. pastorum (Sarg.) Eggleston. — (C glaucophylla Sarg.; C. 
genialis Sarg.) 
Williamstown; Lenox. 
C. MONOGYNA Jacq. ENGLISH Hawthorn. — (C oxycantha Man. 
ed. 7; vid. Rhodora, 11: 47, 1909.) 
