284 METASPERMAE OF THE MINNESOTA VALLEY. 
Pyrus americana NEWBERRY, Pac. R. R. Rep. VI, 73 (1857). 
P. aucuparia MEYER, PI. Labr. 81 (1880) in part. 
Sorbus sambucifolia Roem. Syn. Monog. III, 189 (1847). 
S. sitchensis Roem. Syn. Monog. III, 139 (1847). 
Wats. and Coult., Gray’s Man. 6 ed. 164; Mac., Fl. Can. I, 146; Upham, 
Fl. Mion. 53; Brew. and Wats., FI. Calif. I, 189; Coult., Fl. Colo. 89; 
Trautv., Fl. Sib. 54?; Led., Fl. Ross. II, 99; Wats., King Exp. 92; Wats., 
Bibl. Ind. I, 292; Nym., Fl. Fur.; Miyabe, Fl. Kur. 222; Rothr., Alask. 446; 
Sarg., N. Am. Silva IV, 81. 
Europe?, N. and W. Asia; Manchuria and Siberia to 
Saghalin, Kurile Isls. and Japan. 
North America: Greenland and maritime provinces 
to Man., Brit. Col, N. W. T. and Alaska; S. to N. Eng.; W. to 
L. Superior region and Minn.; S. in mts. to Mexico? and 
Yosemite valley. 
Minn. valley; Reported from vicinity of Ft. Snelling; 
doubtful; N. E. district; edges of woods. 
HeRB.: Bailey 18, Vermilion lake. 
Pirus arbutifolia (Linn.) Linn. f. Suppl. 256 (1781). 
Mespilus arbutifolia Linn. Spec. 478 (1753) p. p. 
Crataegus pyrifolia LAM. Enc. Meth. I, 83 (1788). 
Aronia pyrifolia Pers. Syn. II, 39 (1807). 
Crataegus serrulata Por. Suppl. I, 292 (1810). 
Aronia arbutifolia Euu. Sk. I, 556 (1821). 
Pirus floribunda LINDL. Bot. Reg. 1006 (1830). 
Aronia depressa SPACH, Suit. Buff. IT, 88 (1834), 
Sorbus arbutifolia WENzie, Linn. XXN VIII, 65 (1864). 
Wats. and Coult., Gray’s Man. 6 ed. 164; Britt., Fl. N.J.99; Mac. Fl. 
Can. I, 144; Chap., Fl. 8. Sts. 128; Upham, Fl. Minn. 52; Cov., Fl. Ark. 180; 
Engl. Focke, Nat. Pflanz. 3, III, 25; Wats., Bibl. Ind. I, 291. 
North America: Newf., N.S., Q., Ont. to N. Y., N. J. 
and Fla.; W. to Minn., Mo., Neb., Ark. and La. 
Minn. valley: Reported from E. edge of valley and 
from vicinity of F't. Snelling; thickets and edges of woods. 
HERB.: Sandberg 189, Chisago lake. 
Pirus coronaria Linn. Spec. 480 (1753). 
Malus coronaria MiLu. Dict. (1768). 
Crataegus coronaria SALISB. Prodr. 357 (1796). 
Pyrus coronaria var. towensis WoOD, Cl.-Book. Rey. ed. 333 (1870). 
Malus microcarpa coronaria CARRIERE, Pom. Microcarp. 133 f. 17 
(1884). 
Pyrus iowensis BAILEY. Am. Gard. XII, 473 (1889). 
Sorbus coronaria MACM. MSS. (1891). 
Wats. and Coult., Gray’s Man. 6 ed. 164; Chap., Fl. S. St. 128; Upham, 
Fl. Minn. 53; Webb., Fl. Neb. 127; Mac., Fl. Can. I, 145; Britt., Fl. N. J. 
98; Coult. Fl. Tex. 106; Cov., Fl. Ark. 180; Engl. Focke, Nat. Pflanz. 3, III, 
24; Wats., Bibl. Ind. I, 292; Sarg., N. Am. Silva IV, 71. 
