1925) PALMER, SYNOPSIS OF NORTH AMERICAN CRATAEGI 67 



Crataegus 



senta Beadle in Bot. Gaz. xxx. 341 (1900). — Flavae. — North Carolina 



(type locality: Biltmore). 



Tenui- 



sequax Ashe in Jour. Elisha Mitchell Sci. Soc. xx. 50 (1904).- 

 foliae. — Pennsylvania (type locality: Berks County). 



sera Sargent in Bot. Gaz. xxxiii. 115 (1902) — Molles. — Ontario, 



Michigan, Wisconsin, Illinois (type locality: Joilet, 111.). 



serena Sargent in Rhodora, vn. 201 (1905). — Tenuifoliae. — Massachu- 

 setts (type locality: Lenox). 



sertata Sargent in Bot. Gaz. xxxv. 381 (1903). — Coccineae. — Wisconsin, 



Indiana, Illinois (type locality: "northern Illinois"). 



setosa Sargent in Rep. Missouri Bot. Gard. xix. 72 (1908).— Crus- 



galli. — Missouri (type locality: Grandin). 



severa Sargent, Trees and Shrubs, n. 59 (1908). — Crus-galli. — Missouri 



(type locality: Grandin). 



sextilis Sargent in Bot. Gaz. xxxv. 390(1903).— Tenuifoliae.— Illinois 



(type locality: Thatcher's Park, Cook County). 



Shaferi Ashe in Ann. Carnegie Mus. I. 397 (1902).— Pruinosae 



Pennsylvania (type locality: Carnot). 



Shallotte Ashe in Bull. N. Car. Exper. Sta. clxxv. 113 (1900).— Macra 



canthae. — North Carolina (type locality: Scranton). (?) 



sheridana Nelson in Bot. Gaz. xxxiv. 370 (1902).— Macracanthae 



Wyoming (type locality: Sheridan). (?) 



shirleyensis Sargent, Trees and Shrubs, n. 244 (1913). — Anomalae.— 



Massachusetts (type locality: Shirley). 



sicca Sargent in Rep. Missouri Bot. Gard. xix. 101 (1908). — Prui- 

 nosae. — Missouri (type locality: Pacific). 



siderea Sargent in Proc. Acad. Nat. Sci. Phila. lxii. 212 (1910). 

 Tenuifoliae — Pennsylvania (type locality: Schenley Park, Pitts- 

 burgh). 



signata Beadle in Biltmore Bot. Studies, i. 42 (1901).— Crus-galli 



Alabama, Mississippi (type locality: Mobile, Ala.). 



silvestris Sargent in Ontario Nat. Sci. Bull. iv. 15 (1908).— Punctatae. 



Ontario (type locality: London). 



silvicola Beadle in Bot. Gaz. xxvni. 414 (1899) = C. drymophila Sarg. 



silvicola var. Beckwithae (Sarg.) Eggleston in Rhodora, x. 81 (1908) = 



C. Beckwithae Sarg. 



simulans Sargent in N. Y. State Mus. Bull. cxxn. 125 (1908).— Ano- 

 malae. — New York (type locality: Hemlock Lake, Livingston 



County). 



simulata Sargent in Rep. Missouri Bot. Gard. xxn. 82 (1912). — Macra- 

 canthae. — Missouri (type locality: Joplin). 



singulars Sargent in N. Y. State Mus. Bull. cxxn. 106 (1908) = C. 



asperifolia Sarg. 



