20 



ARBOREf UM (vol. vi 



Crataegus 



var. cerasoides Sarg. 



cernua Ashe in Jour. Elisha Mitchell Sci. Soc. xvm. 25 (1902).— Rotundi- 

 foliae. — Wisconsin (type locality: Milwaukee). (?). 



cerronis Nelson in Bot. Gaz. xxxiv. 370 (1902).— Douglasianae. 



Colorado, Wyoming (type locality: Cerro Summit, Colo.). (?) 



cestrica Sargent in Proc. Acad. Nat. Sci. Phila. lvii. 596. — Pruinosae. 



Pennsylvania (type locality: Newtown). 



chadfordiana Sargent in Proc. Acad. Nat. Sci. Phila. lvii. 660 (1905). — 



Macracanthae. — Pennsylvania (type locality: Chadford). 



champlainensis Sargent in Rhodora, m. 20 (1901). — Molles. — South- 

 eastern Canada, Vermont, New York, Michigan (type locality: 

 Middlebury, Vt.). 



Chapmanii (Beadle) Ashe in Bot. Gaz. xxvm. 271 (1899).— Macra- 

 canthae. — North Carolina and Georgia, west to Illinois and Missouri 



(type locality of C. tomentosa var. Chapmani: Silver Creek, Floyd 

 County, Ga.). 



Chapmani var. Plukenetii Eggleston in Rhodora, x. 83 (1908) = C. 



tomentosa L. 



Mus 



Rotundifoliae.— New York (type locality: Chateaugay Lake). 

 cherokeensis Sargent in Jour. Arnold Arb. in. 1 (1922).— Crus-galli.— 



Texas (type locality: Larissa). 

 chippewaensis Sargent in Ontario Nat. Sci. Bull. iv. 44 (1908). — Coc- 



cineae. — Ontario (type locality: Chippewa), 

 choriophylla Sargent in Jour. Arnold Arb. in. 201 (1922).— Uniflorae. 



Florida (type locality: Lake City). 



clxxv. 110 (1900). 



Rotundifoliae.— Manitoba, Nebraska, North Dakota, Wyoming, 



Colorado (type locality: foothills of Cache la Poudre Mountains, 

 Colo.). 



chrysocarpa var. Faxoni (Sarg.) Eggleston in N. Y. State Mus. Bull. 



ccxliii-iv. 64 (1923) = C. Faxonii. 

 chrysocarapa X macrosperma Eggleston in N. Y. State Mus. Bull. 



ccxlii-iv. 64 (1923). (?) 



M 



64 (1923). (?) 



cibaria Beadle in Biltmore Bot. Studies, I. 120 (1902).— Molles.— 



Tennessee (type locality: Nashville), 

 cibilis Ashe in Bot. Gaz. xxxm. 232 (1902).— Molles. — North Carolina, 



Tennessee (type locality not given). (?) 

 cicur Ashe in Ann. Carnegie Mus. I. 397 (1902). — Pruinosae. — Pennsyl- 



vania, North Carolina (type locality not given). (?) 

 ta Ashe in Jour. Elisha Mitchell Sci. Soc. xvn. 13 (190( 

 North Carolina (type locality: Raleigh). (?) 



Group? 



