64 JOURNAL OF THE ARNOLD ARBORETl M Ivol. vi 



Crataegus 



rotundifolia Moench, Biiume Weiss. 29 (1785). — Rotundifoliae. — Nova 



Scotia and New England, west to New York, Pennsylvania, Michi- 

 gan and Saskatchewan (type locality not given). 



rotundifolia var. aboriginnm Sargent in Jour. Arnold Arl>. in. 196 



(1922).— Quebec (type locality: Caughnawaga). 



rotundifolia var. Bicknellii Egglcston in Rhodora, x. 79 (1908) = C. 



Bicknellii. 



rotundifolia var. chrysocarpa (Ashe) Eggleston in Rhodora, x. 79 (1908) = 



C. chrysocarpa. 



rotundifolia var. Faxoni (Sarg.) Eggleston in Rhodora, x. 79 (1908) = 



C. Faxonii. 



rotundifolia a. minor Dippel, Handb. Laubholzk. in. 440 (189:5). (?) 



rotundifolia var. pubera Sargent in Rhodora xi. 183 (1909). — South- 

 eastern Canada, New England and New York, west to Wisconsin 

 and Minnesota (type locality not given). 



rotundifolia f. rubescens Sargent in Jour. Arnold Arb. in. 197 (1922). 



Quebec (type locality: St. Anne, Montreal Island). 



rotundifolia b. succulenta (Schrad.) Dippel, Handb. Laubholzk. in. 441 



(1893) = C. succulenta. 



rubella Beadle in Bot. Gaz. xxx. 344 (1900).— Intricatae.— Virginia, 



West Virginia, North Carolina, Alabama and Tennessee (type 

 locality: Valleyhead, Ala.). 



rubescens Ashe in Bull. N. Car. Exper. Sta. clxxv. Ill (1900). 



Intricatae.— Alabama (type locality: Auburn). (?) 

 rubicunda Sargent in Proc. Rochester Acad. Sci. iv. 121 (1903).— 



Tenuifoliae. — Ontario, New York, Ohio (type locality: Rochester, 



N. Y.). 



rubicundula Sargent, Trees and Shrubs, n. 7 (1907). — Pruinosae. 



Missouri (type locality: Carondclet). 

 rubrifolia Sargent in Rep. Missouri Bot. Gard. xix. 66 (1908). — Crus- 



galli. — Missouri, Kansas (type locality: Webb City, Mo.). 

 rubrisepala Sargent in Rep. Missouri Bot. Gard. xix. 70 (1908). — Crus- 



galli. — Missouri (type locality: Joplin). 

 rubrocarnea Sargent in N. Y. State Mus. Bull. cv. Bot. ix. 55 (1906). 



Tenuifoliae. — New York (type locality: North Albany). 

 rubro-lutea Sargent in N. Y. State Mus. Bull. exxn. 88 (1908). 



Pruinosae — New York (type locality: Coopers Plains), 

 rudis Sargent in Rep. Missouri Bot. Gard. xix. 71 (1908). — Crus- 



galli. — Missouri (type locality: Monteer). 

 rufipes Ashe in Jour. Elisha Mitchell Sci. Soc. xx. 51 (1904).— Tenui- 

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

 rufula Sargent in Jour. Arnold Arb. i. 251 (1920). — Aestivales. — North 



Carolina, Florida, Georgia, Alabama (type locality not given). 



