10 JOURNAL OF THE ARNOLD ARBORETUM [vol. vi 



Crataegus 



acclivis Sargent in Proc. Rochester Acad. Sci. iv. 115 (1903).— Coc- 



cineae .— New York, Pennsylvania (type locality: Rochester, N. Y.). 



acerba Sargent in N. Y. State Mus. Bull. cxxn. 93 (1908).— Silvicolae — 



New York (type locality: Coopers Plains). 



acerifolia Loddiges Cat. 8, ex Moench, Baume Weiss. 31 (1785) =C. 



Med 



Mus 



Tenuifoliae.— New York, Pennsylvania, Ohio (type locality: 

 West Albany, N. Y.). 



acutifolia Sargent in Bot. Gaz. xxxi. 217 (1901).— Crus-galli.— Illinois, 



Missouri, Tennessee, Arkansas (type locality: Carondelet). 

 acutiloba Sargent in Rhodora, in. 23 (1901).— Tenuifoliae.— South- 

 eastern Canada, New England (type locality: Bar Harbor, Me.). 



Mus 



Macra 



canthae.— Ontario, New York (type locality: Niagara Falls, N. Y.). 

 adunca Beadle in Biltmore Bot. Studies, i. 87 (1902).— Flavae. 



Florida (type locality: Tallahassee), 

 adusta Beadle in Biltmore Bot. Studies, i. 110 (1902).— Flavae. 



Florida (type locality: Gainesville), 

 advena Sargent in Proc. Acad. Nat. Sci. Phila. lxii. 175 (1910).— 



Pruinosae.— Pennsylvania (type locality: Bedford), 

 aemula Beadle in Biltmore Bot. Studies, l. 53 (1902).— Silvicolae.— 



Georgia, Mississippi (type locality: Rome, Ga.). 

 aestivalis (Walt.) Torrey & Gray, Fl. N. Am. i. 468 (1840).— Aesti- 



vales.— North Carolina, South Carolina, Georgia (type locality of 



Mespilus aestivalis Walter not given), 

 aestivalis var. cerasoides Sargent in Jour. Arnold Arb. I. 250 (1920). 



Florida (type locality: Seville), 

 aestivalis var. cerasoides f. luculenta Sargent in Jour. Arnold Arb. i. 



251 (1920).— Florida (type locality: Volusia County), 

 aestivalis var. maloides Sargent in Jour. Arnold Arb. I. 250 (1920). 



Florida (type locality: Seville). 

 affinis Sargent in Ontario Nat. Sci. Bull. iv. 71 (1908).— Anomalae — 



Southeastern Canada, New York (type locality: Toronto, Ont.). 

 agaia Sargent in Proc. Acad. Nat. Sci. Phila. lxii. 252 (1910).— Macra- 



canthae.— Pennsylvania (type locality: Scranton). 

 agrestina Beadle in Biltmore Bot. Studies, i. 72 (1902).— Flavae. 



Alabama (type locality: Evergreen), 

 alabamensis Beadle in Bot. Gaz. xxx. 342 (1900).— Flavae.— Alabama 



(type locality: Montgomery). 



alacris Sargent in Proc. Acad. Nat. Sci. Phila. lvii. 601 (1905).— Prui- 

 nosae. — Pennsylvania (type locality: Sellersville). 



albanthera Sargent in Rep. Missouri Bot. Gard. xix. 53 (1908) =C. 

 arduennae Sarg. 



