34 JOURNAL OF THE ARNOLD ARBORETUM [vol. vt 



Crataegus 



Mich 



Macr*- 



canthae.— Ontario, Michigan (type locality: Sarnia, Ont.). 

 flava Aiton, Hort. Kew. n. 169 (1789).— Flavae.— Georgia, Florida 



(type locality : cultivated in Royal Botanical Gardens, Kew. "Native 

 of North America"). 



flava var. elliptica (Ait.) Sargent, Silva N. Am. iv. 114 (1892) = C. 



fl 



elliptica. 



fl 



C. integra. 



Torrcy Bot. Club. xxn. 150 (1895) 



elliptica Ait. 



C. 



flava var. pubescens Gray, Man. ed. 2, 124 (1856). (?) 



/ 



fl 



Loudon, Arb. Brit. 



flavida Sargent in Rep. Geol. Surv. Mich. 1906, 554 (1907).— Intri- 



catae. — Ontario. M 



flavo-carnis Ashe in Jour. Elisha Mitchell Sci. Soc. xvn. 9 (1900). 



C. flava 



Group?— North Carolina (type locality: Salisbury). (?) 

 flexispina (Moench) Sargent in Gard. & For. n. 424 (1889) - 



Ait. 



flexispina var. pubescens (Gray) Millspaugh, Fl. W. Va. 360 (1892). (?) 

 flexuosa (Poir.) DeCandolle, Prodr. n. 627 (1825).— Uniflorae.— (Type 



region: "Carolina"). (?) 



florea Sargent in Rhodora, v. 145 (1903).— Tenuifoliae.— Nova Scotia, 



Maine (type locality: Orono, Me.). 

 florens Beadle in Biltmore Bot. Studies, i. 94 (1902). — Flavae. — Georgia, 



Mississippi, Louisiana (type locality: Columbus, Miss.). 



florid 



Loudon, Arb. Brit. 



ii. 841 (1838), as synonym of C. parvifolia Ait. = C. uniflora 

 Muench. 



floridana Sargent in Bot. Gaz. xxxiii. 124 (1902). — Flavae. — Florida 



(type locality: Jacksonville). 

 floridula Sargent in N. Y. State Mus. Bull. cxxn. 126 (1908).— Ano- 



malae. — New York (type locality: Piseco). 

 florifera Sargent in Ontario Nat. Sci. Bull. iv. 14 (1908). — Punctatae. 



Ontario (type locality: Toronto). 

 fluviatilis Sargent in Rhodora, v. 117 (1903) (as " flu viatalis ") . — Coc- 



cineae. — Quebec (type locality: Adirondack Junction), 

 foetida Ashe in Ann. Carnegie Mus. i. 389 (1902). — Intricatae. — Ontario, 



New England, New York, Pennsylvania (type locality: Berks 



County, Pa.). 



foliata Sargent in N. Y. State Mus. Bull. cxxn. 53 (1908). — Silvicolae. 



New York (type locality; Niagara Falls). 



