and naturalized locally in Conn, and perhaps elsewhere. Atlas vol. 

 4. map 15. 



23. Asimina triloba (L. ) Dunal. pawpaw. Pa. and w. N.Y., w. 

 to extreme s. Ont., s. Mich., n. 111., s. Iowa, and se, Nebr., s. to e. 

 Kans. and e. Tex., and e. to s. La., nw. Fla., and Ga. Also extinct 

 in N.J.. sw. Wis., and ne. Iowa. Atlas vol 4, map 16. 



24. Baccharis halimi folia L., eastern baccharis. Coastal Plain, 

 generally near coast, from Mass. s. to s. Fla. inch Fla. Keys, w. to 

 s. Tex., and n. in Miss. Valley to se. Okla., Ark., and n. Miss. Also 

 Bahamas and a var. in Cuba. Atlas vol. 4, maps 18-NE, 18-SE. 



25. Betula nigra L., river birch. Sw. Conn, and se. N.Y., w. to 

 n. Ohio, n. Ind., c. Wis., and se. Minn., s. to e. Iowa, se. Kans., e. 

 Okla., and e. Tex., and e. to n. Fla. and Ga. Also local in ne. and 

 sw. New Engl, to s. N.H. Atlas vol. 1, map 110-E. 



26. Bumelia lanuginosa (Michx.) Pers., gum bumelia. C. Fla. 

 and Ga. w. to s. Miss., La., and in Miss. Valley to s. 111., c. Mo., e. 

 and s. Kans., and w. and s. Tex., and s. to ne. Mex. (Coah., N.L., 

 and Tamps.) . Also a var. in extreme sw. N. Mex., se. Ariz., and ne. 

 Son. Atlas vol. 3, map 24; vol. 4, map 20. 



27. Bumelia lycioides (L.I Pers., buckthorn bumelia. Coastal 

 Plain from se. Va. s. to n. Fla., w. to se. Tex., and n. in Miss. Val- 

 ley to se. Mo., s. 111., s. Ind., c. Ky., and e. Tenn. Atlas vol. 4, 

 map 21. 



28. Bumelia tenax (L. ) Willd., tough bumelia. Coastal Plain of 

 S.C., mostly near coast, se. and s. Ga., s. to s. Fla. Atlas vol. 4, 

 map 22. 



29. Carpinus caroliniana Walt., American hornbeam. C. Me. to 

 sw. Que., se. Ont., n. Mich., and n. Minn., s. to c. Iowa, Mo., 

 e. Okla., and e. Tex., and e. to c. Fla. Also in ne. Mex. (Tamps.) 

 and from s. Mex. to Guatemala and Honduras. Atlas vol. 1, maps 

 109-N, 109-E. 



30. Carya aquatica (Michx. f. ) Nutt.. water hickory. Coastal 

 Plain from se. Va. and e. N.C. s. to s. Fla. and w. to e. Tex., n. in 

 Miss. Valley to extreme se. Okla., se. Mo., extreme s. 111., and ex- 

 treme w. Ky. Also extinct in extreme sw. Ind. Atlas vol. 1, 

 map 111-E. 



31. Carya cordiformis (Wangenh.) K. Koch, bitternut hickory. 

 Sw. N.H., Vt., and extreme s. Que. w. to s. Ont., c. Mich., and n. 

 Minn., s. to e. Nebr., c. Okla., and e. Tex., and e. to nw. Fla. and 

 Ga. Atlas vol. 1. map 112-E. 



32. Carya floridana Sarg., scrub hickory. Local in c. Fla. (Vo- 

 lusia and Marion Co., s. to Charlotte and Palm Beach Cos.) . Atlas 

 vol. 4, map 23. 



33. Carya glabra (Mill.) Sweet, pignut hickory. Mass. and sw. 

 N.H. w. to N.Y., extreme s. Ont., c. Mich., n. 111., and extreme se. 

 Iowa, s. to extreme se. Kans., Ark., and e. Tex., and e. to c. Fla. 

 Atlas vol. 1, map 113-E. 



34. Carya pallida (Ashe) Engl. & Graebn., sand hickory. 

 Coastal Plain from s. N.J. and Del. s. to Ga., w. to nw. Fla. and se. 

 La., and n. in Miss. Valley to Tenn., se. Ky., s. 111., and sw. Ind. 

 Also recorded from Conn. Atlas vol. 4, map 24. 



35. Carya tomentosa Nutt., mockernut hickory. S. N.H. and 

 Mass. w. to N.Y., extreme s. Ont., s. Mich., n. 111., se. Iowa, Mo., 

 and e. Kans., s. to e. Tex., and e. to n. Fla. Atlas vol. 1, map 117-E. 



36. Castanea alnifolia Nutt., Florida chinkapin. Coastal Plain 

 from N.C. to n. Fla. and se. La. Atlas vol. 4, map 26. 



37. Castanea dentata (Marsh.) Borkh., American chestnut. S. 

 Maine w. to N.Y., extreme s. Ont., se. Mich., Ohio, s. Ind., and ex- 

 treme s. 111., s. to s. Miss, and sw. Ga. Formerly also nw. Fla. 



Almost exterminated nearly half century ago by the chestnut blight 

 fungus, but stump sprouts persist. Atlas vol. 4, maps 27-NE, 27-SE. 



38. Castanea pumila Mill., Allegheny chinkapin. N.J. and s. Pa., 

 sw. to extreme e. Ky., Tenn., Ark., and se. Okla., and s. to e. Tex. 

 and c. Fla. Also local in s. Ohio. Atlas vol. 4, map 29. 



39. Catalpa bignonioides Walt., southern catalpa. Native prob- 

 ably in sw. Ga., nw. Fla., Ala., and Miss., the original distribution 

 uncertain. Widely naturalized from s. New Engl, and N.Y. w. to 

 Ohio, s. Mich., Mo., and Okla., and s. to e. Tex. and Fla. Atlas vol. 

 4, map 30. 



40. Celtis laevigata Willd., sugarberry. S. Md. and se. Va. s. in 

 Coastal Plain and Piedmont to s. Fla., w. to sw. Tex., and n. in 

 Miss. Valley to w. Okla., s. Kans., n. Mo., c. 111., s. Ind., and c. Ky. 

 Also ne. Mex. (Tamps, to Coah.) . Atlas vol. 1, maps 122-W, 122-E. 



41. Celtis tenui folia Nutt., Georgia hackberry. Pa. and extreme 

 s. Ont., w. to Ind., Mo., and se. Kans., and s. to e. Tex. and n. Fla. 

 Atlas vol. 4, map 31. 



42. Cephalanthus occidentalis L., buttonbush. Sw. N.S., s. N.B., 

 and Maine, w. to s. Que., s. Ont., and se. Minn., s. to w. Kans. and 

 Trans-Pecos and s. Tex., and e. to s. Fla., and in Ariz, and Calif. 

 Also s. in Mex. and C. Amer. to Honduras and in Cuba. The same 

 or a closely related species also in e. Asia. Atlas vol. 3, maps 

 34-NW, 34-SW, 34-N; vol. 4, maps 32-NE, 32-SE, 32-N. 



43. Cercis canadensis L., eastern redbud. N.J. and Pa., w. to s. 

 Mich, and se. Nebr., s. to Trans-Pecos and s. Tex., and e. to c. Fla. 

 Also n. Mex. (e. Chih. and Coah., e. to Tamps., and s. to S.L.P. and 

 Hgo. ) . Extinct at 1 locality in extreme sw. Ont. Atlas vol. 3, maps 

 38-N, 38-SW; vol. 4, maps 33-N, 33-NE, 33-SE. 



44. Chionanthus virginicus L., fringetree. S. N.J. and s. Pa., w. 

 to s. Ohio, e. Ky., and s. Mo., s. to se. Okla. and e. Tex., and e. to 

 c. Fla. Atlas vol. 4, map 43. 



45. Cliftonia monophylla (Lam.) Britton, buckwheat-tree. 

 Coastal Plain from se. Ga. and n. Fla., w. to se. La. Atlas vol. 4, 

 map 37. 



46. Cornus alternifolia L. f., alternate-leaf dogwood. Nfld. and 

 se. Que w. to Maine, s. Ont., Minn., and s. Man., s. to Mo., n. Ark., 

 Miss., nw. Fla., and Ga. Atlas vol. 4, maps 38-NE, 38-SE, 38-N. 



47. Cornus florida L., flowering dogwood. Extreme sw. Maine 

 w. to N.Y., extreme s. Ont., c. Mich., c. 111., and c. Mo., s. to ex- 

 treme se. Kans., e. Okla., and e. Tex., and e. to n. Fla. Also var. in 

 mts. of ne. Mex. (N.L. and Ver.) . Atlas vol. 1, maps 124-N, 124-E. 



48. Cyrilla racemiflora L., swamp cyrilla. Coastal Plain from 

 se. Va. to c. Fla. and w. to se. Tex. Also West Indies in mts. from 

 Cuba to P.R. and Lesser Antilles. Atlantic Coast of C. Am. from 

 Belize to Nicaragua, and n. S. Am. frcm Guyana to Venezuela, 

 Colombia, and Brazil. Atlas vol. 4, maps 45-N, 45-SE. 



49. Diospyros virginiana L., common persimmon. S. Conn., ex- 

 treme se. N.Y., and N.J., w. to c. Ohio, c. 111., extreme se. Iowa, n. 

 Mo., and e. Kans., s. to c. Okla. and c. Tex., and e. to s. Fla. inch 

 Fla. Keys. Atlas vol. 1, map 123-E. 



50. Erythrina herbacea L., southeastern coralbean. Coastal 

 Plain from se. N.C. and S.C. to s. Fla. inch Fla. Keys, and w. to e. 

 and s. Tex. Also e. Mex. (Tamps, s. to Pue., Oax., and Ver. ) . A 

 tree in U.S. only in s. Fla. incl. Fla. Keys, and shrubby or herba- 

 ceous n. Atlas vol. 4, maps 48-N, 48-SE. 



51. Fagus grandifolia Ehrh., American beech. Cape Breton Is., 

 N.S., P.E.I., and N.B., w. to Maine, s. Que., s. Ont., and n. Mich., 



