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 SheiEeld. 

 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 AmeUmchier. 



Several aberrant specimens of Amelanchier from Berkshire sub- 

 mitted to Professor Wiegand were determined by him as hybrids of 

 A. laeris, in one case probably with A. canadensis and in other cases 

 with an undetermined parent. 



Hybrids of A. canadcims and A. stolonifera from the rocky summit 

 of West Stockbridge iMountain and the sand-plain, Sheffield, have 

 been determined by 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. fereniaria 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. glaixophylla Sarg. ; C. 

 genialis Sarg.) 



Williamstown; Lenox. 



C. MONOGTNA Jacq. English Hawthorn. — (C oxycantha Man. 

 ed. 7; vid. Rhodora, 11: 47, 1909.) 



