83. Malus coronaria (L.) Mill., sweet crab apple. C: N.Y. w. to 
s. Ont., c. Mich., and n. Ill., s. to w. Mo. and ne. Ark., and e. to 
neAda: n. Ga., w. N: C.,se: Va., and N. J. 
84. Malus ioensis (Wood) Britton, prairie crab apple. N. Ind. to 
s. Wis., se. Minn., and extreme se. S. Dak., s. to se. Nebr., e. Kans., 
e. Okla., and Ark. Also local in Edwards Plateau of c. Tex. and in La. 
85. Myrica cerifera L., southern bayberry. Coastal Plain from 
s. N. J., Del., ands. Md., s. to s. Fla. including Fla. Keys, and w. to s. 
and ¢. Tex., and n. to extreme se. Okla., c. Ark., and c. Miss. Also in 
Bermuda, Bahamas, Cuba, Hispaniola, and P. R. and in Mex. and 
C. Am. from Belize s. to Costa Rica. 
86. Myrica heterophylla Raf.. evergreen bayberry. Coastal Plain 
from s. N. J., se. Pa., and Del., s. to n. Fla., and w. to La. and c. Ark. 
and n. Ala. 
87. Myrica inodora Bartr., odorless bayberry. Coastal Plain of sw. 
Ga., nw. Fla., s. Ala., s. Miss., and se. La. 
88-\, 88-NE. Myrica pensylvanica  Loisel., northern bayberry. 
Near coast chiefly, from s. Nfld., N.S., P. E. L., 
s. Maine, Mass., N. J.. se. Va., and e. N. C., and w. locally to w. Pa., 
and s. Que., se. to 
ne. Ohio, and extreme s. Ont. 
89. Nemopanthus collinus (Alexander) R. C. Clark, mountain-— 
holly. Rare and local in mts. of e. W. Va., sw. Va., and w. N.C. 
90. Osmanthus americanus (L.) Benth. & Hook. f., 
Coastal Plain from se. Va. and e. N. C. to c. Fla., and w. to se. La. 
Also Mex. (N. L., Tamps., Ver., Oax.). 
91. Oxydendrum arboreum (L.) DC., sourwood. Sw. Pa. to 
devilwood. 
s. Ohio and s. Ind., s. to w. Ky., w. Tenn., Miss., and La., e. to nw. 
Fla., and n. to e. Ga.. se. Va., and se. Md. 
92. Persea borbonia (L.) Spreng.. redbay. Coastal Plain from 
s. Del., se. Md., and se. Va.,s. to s.to s. Fla., including Fla. Keys, and 
w. to La. and e. and s. Tex., also sw. Ark. (Miller Co.. apparently 
extinct). Also Bahamas (Grand Bahama Is.). 
93. Pinckneya pubens Michx., pinckneya. Rare in Coastal Plain of 
extreme s. S. C. (Beaufort Co.), Ga., and n. and nw. Fla. 
94. Planera aquatica J. F. Gmel., planertree. Coastal Plain from se. 
N. C. to n. Fla. and w. to e. Tex., and n. in Miss. Valley to se. Okla., 
Ark., se. Mo., s. Ill., w. Ky., and w. Tenn. 
95-NE, 95-SE. Prunus americana Marsh., American plum. Wide- 
to N.Y., s. Ont., n. Mich., Minn., 
in mts. to N. Mex. and in e. from 
spread from N.H. and Vt. w. 
Ss, Man.,-se. Sask., and Mont., s. 
Okla. to ne. Fla. 
96. Prunus alleghaniensis Porter, Allegheny plum. Mts. from c. Pa. 
s. to e. W. Va., also local in ne. Tenn. and in Conn. 
97. Prunus angustifolia Marsh., Chickasaw plum. Mo. w. to Kans., 
s. Nebr., and extreme se. Colo., s. to extreme e. N. Mex., ‘l’ex., and 
La. Also naturalized e. to c. Fla. and n. to N. J., W. Va., s. Ohio, and 
Ill. Extensively naturalized and perhaps spread by Indians in 
prehistoric times. The original native range thus is not accurately 
known but probably was c. Tex. and Okla., according to Sargent 
(1926, p. 570). 
98. Prunus caroliniana (Mill.) Ait., Carolina laurelcherry. Coastal 
Plain from se. N. C. to c. Fla. and w. to e. Tex. 
99. Prunus hortulana Bailey., hortulan plum. Sw. Ohio to n. IIL, 
se. lowa, Mo., and e. Kans., s. to ne. Okla., n. Ark., and n. Ky. Also 
e. Tenn. and W. Va., perhaps an escape. 
100-N, 100-SE. Prunus mexicana Wats., Mexican plum. S. Ohio 
and Ky., w. to n. Mo., sw. lowa, n. Nebr., and se. S. Dak., s. to c. 
and s. Tex., and e. to Ala. Also ne. Mex. (Coah. and N. L.). 
101. Prunus munsoniana Wight & Hedr., wildgoose plum. Sw. 
Ohio and Ky., 
to n. La., Miss., and e. Tenn. Also naturalized e. to Ga. 
w. to s. Ill., n. Mo., and se. Kans., s. to c. Tex., and e. 
102. Prunus nigra Ait., Canada plum. Maine and s. Que.. w. to 
s. Ont., n. Mich., n. Minn., and se. Man., and s. to ne. Lowa, IIl., 
n. Ohio, N. Y., and Conn. Also s. N. Bb. and introduced in N. 5. 
103-N, 103-NE. Prunus pensylvanica L. {., pin cherry. Nfld. and 
Labr. w. across Can. to s. Mack. and B. C., s. in Rocky Mts. to Mont. 
and Colo., Black Hills, and s. in e. from S$. Dak. to Ill. Pa.. and N. J. 
and in Appalachian Mts. to n. Ga. and e. Tenn. 
104-N, 1O4-NE. Prunus 
Nfld., N.S., and s. Que., w. across Can. to s. Mack. and n. B. C., s. 
virgintana L., common chokecherry. 
from Wash. to s. Calif., e. to Trans-Pecos and nw. Tex., Mo., and 
N. J., ands. in Appalachian Mts. to w. \. C. and e. Tenn. 
105. Prunus umbellata E\L., flatwoods plum. Coastal Plain. chiefly, 
from s. N. C. s. to c. Fla., w. to e. Tex., and n. to s. Ark. 
106-N, 106-NE, 106-SE. Ptelea trifoliata |... 
N. J. and w. N. Y., w. to extreme s. Ont., c. Mich., s. Wis., se. lowa. 
common hoptree. 
e. Kans., and in mts. to s. Colo. and s. Utah, s. to Ariz., Tex., and 
s. Fla. Also local in s. Que., perhaps introduced. Also Mex. (ne. Son. 
e. to Tamps., s. to Gro. and Oax.). 
107. Quercus arkansana Sarg. Arkansas oak. Coastal Plain. 
chiefly, in sw. Ga., nw. Fla., Ala.. se. La., and sw. Ark. 
108. Quercus chapmanu Sarg., Chapman oak. Coastal Plain from 
extreme s. S. C. and se. Ga. to s. and nw. Fla. and s. Ala. 
109. Quercus durandti Buckl., Durand oak. Coastal Plain, chiefly, 
from N.C. to n. Fla. and w. to s. and c. ‘Tex., and n. to s. Okla., 
s. Ark., and n. Ala. Also ne. Mex. (Coah. and Tamps.). 
110. Quercus georgiana \I. A. Curtis, Georgia oak. Rare and local 
in S. C., n. Ga., and n. Ala. 
111. Quercus ilicifolia Wangenh., bear oak. S. Maine w. to N. Y., 
s. to Pa., Md., and Del., and in mts. to e. W. Va., sw. Va., and 
w:JNeG. 
112. Quercus imbricaria Michx., shingle oak. Pa. w. to s. Mich.. 
to e. Kans. and Ark., and e. to Tenn., N. C.. 
Md., and Del. Also local in La. and Ala. 
n. Ill., and s. Iowa, s. 
113. Quercus incana Bartr., bluejack oak. Coastal Plain from se. 
Va. to c. Fla. and w. to La. and e. and c. Tex., and n. to se. Okla. 
and sw. Ark. 
114. Quercus laevis Walt., turkey oak. Coastal Plain from se. Va. 
to c. Fla. and w. to se. La. 
115. Quercus myrtifolia Willd., myrtle oak. Coastal Plain from 
s. S. C. to s. Fla. and w. to s. Miss. 
116. Quercus oglethorpensis Duncan, Oglethorpe oak. Local in 
w. 5. C. (Edgefield, Greenwood, McCormick, and Saluda Cos.) and 
ne. Ga. (Elbert, Greene, Jasper, and Wilkes Cos.). 
L17-N, L17-SE. Rhamnus caroliniana Walt., Carolina buckthorn. 
Extreme s. Ohio w. to s. Ill. and c. Mo., s. to e. Okla. and ec. and 
e. Tex., e. toc. Fla., and n. to c. S.C. and sw. Va. Also ne. Mex. 
(lamps. and N. L.). 
118. Rhododendron catawbiense Michx., Catawba rhododendron. 
Mts. and Piedmont from w. Va., s¢ W. Va., and e. Ky., s. to e. Tenn., 
ne: Allacn. Gas nw. so: G., and cy NEG: 
119. Rhododendron maximum L., rosebay rhododendron. 
W. Maine to Vt. and w. N. Y., s. mostly in mts. to s. Ohio, e. Ky., 
e. Tenn., n. Ga., nw. S. C., w. N.C., and N.J. Extinct in s. Ont. 
Reported from N.S. in 1877 but not found there afterwards. 
120-NE, 120-SE. Rhus copallina L., shining sumac. Sw. Maine w. 
to N. Y., s. Ont., ec. Mich., and c. Wis., s. to se. lowa, extreme se. 
Nebr., e. Kans., c. Okla., and c. Tex., e. to s. Fla. 
[21-NE, 121-SE. Rhus glabra L., smooth sumac. Very widely 
distributed in all 48 contiguous States (though at only 2 localities in 
Ney. and collected only once in Calif.). C. Maine w. to extreme 
s. Que., s. Ont., n. Minn., e. N. Dak., Man., and e. Sask., s. to nw. 
a) 
