22 JOURNAL OF THE ARNOLD ARBORETUM |vol. vi 



Crataegus 



coccinea #. viridis (L.) Torrey & Gray, Fl. N.Am. i. 465 (1840) =C. viridis. 



M 



65 (1923). (?) 



coccinea X pruinosa Eggleston in N. Y. State Mus. Bull, ccxliii-iv. 65 



(1923). (?) 



Mitchell 



Dilatatae. — Illinois, Missouri, Arkansas (type region: southern 

 Illinois and eastern Missouri). 

 coccinoides var. dilatata (Sarg.) Eggleston in Rhodora, x. 81 (1908) = 



C. dilatata. 

 Cocksii Sargent in Jour. Arnold Arb. I. 248 (1920). — Crus-galli. 



Louisiana (type locality: Winfield). 

 coerulea Sargent in Proc. Acad. Nat. Sci. Phila. lxii. 207 (1910). — 



Silvicolae. — Pennsylvania (type locality: Lincoln Heights, near 



Scranton). 

 cognata Sargent in Rhodora, v. 58 (1903). — Pruinosae. — Southeastern 



Canada, New England, New York, Pennsylvania and Ohio (type 



locality: Great Barrington, Mass.). 

 Coleae Sargent, Trees and Shrubs, i. 7 (1902). — Anomalae. — Michigan 



(type locality: Grand Rapids), 

 collicola Ashe in Jour. Elisha Mitchell Sci. Soc. xvi. 75 (1900). — Crus- 

 galli. — North Carolina (type locality not given). (?) 

 collina Chapman, Fl. ed. 2, Suppl. 2, 684 (1892). — Punctatae. — Virginia 



and North Carolina to Tennessee (type locality not given). 

 collina var. Lettermani (Sarg.) Eggleston in Rhodora, x. 76 (1908) = 



C. Letterraanii. 

 collina var. sordida (Sarg.) Eggleston in Rhodora, x. 76 (1908) = C. 



sordid a. 

 Collinsiana Sargent in Proc. Acad. Nat. Sci. Phila. lvii. 611 (1905). 



Tenuifoliae. — Pennsylvania (type locality: Sellersville). 

 colonica Beadle in Biltmore Bot. Studies, i. 104 (1902). — Flavae. 



South Carolina (type locality: Bluff ton), 

 coloradensis Nelson in Proc. Biol. Soc. Washington, xvn. 175 (1904). 



Macracanthae. — Colorado (type locality: Gregory Canyon, near 

 Boulder) . 



Colorado Ashe in Bull. N. Car. Exper. Sta. clxxv. 110 (1900). — Doug- 



lasianae. — North Dakota and Montana to Nebraska, Colorado and 

 Arizona (type locality: foot-hills of Cache la Poudre Mountains, 

 Colo.). 



coloradoides Ramaley in Bot. Gaz. xlvi. 383 (1908). — Macracanthae. 



Colorado (type locality: Pole Canyon, near Boulder). (?) 



colorata Sargent in Proc. Rochester Acad. Sci. iv. 123 (1903). — Tenui- 

 foliae. — Ontario and New York to Michigan and Indiana (type 

 locality: Rochester, N. Y.). 



