CATALOGUE OF FOREST TREES. 65 



COCOA PLUM. 



Semi-tropical Florida, cape Canaveral to bay Biscayne, west coast Caxiinbas bay, and oil the southern keys ; 

 through the West Indies and tropical America to Brazil. 



A small tree, 7 to 10 meters in height, with a trunk 0.15 to 0.30 meter in diameter, or along sandy beaches a 

 low, prostrate shrub 1.08 to 2.16 meters in height ; reaching its greatest development within the United States on 

 the borders and islands of the Everglades, near bay Biscayne. 



Wood heavy, hard, strong, close-grained, compact, containing few irregularly-distributed, not large, open 

 ducts; medullary rays numerous, thin; color, light brown often tinged with red, the sap wood lighter; specific 

 gravity, 0.7709 ; ash, 0.87. 



Varieties are distinguished by A. II. Curtiss with the skin of the edible fruit white or black, the latter more 

 ovate with narrower, softer stones (? var. pellocarpa, Hooker f. 1. c. G. pellocarpa, Miquel,Prim. Esseq. 193. 

 Orisebach, I. c.). 



103. Prunus Americana, Marshall, 



Arbustum.iii. Darlington in Ann. Lye. N. York, iii, 87, 1. 1 ; Fl. Cestrica, 3 ed. 72. Eaton, Manual, 6 ed. 285. Beck, Bot. 95. Torroy 

 & Gray, Fl. N. America, i, 407 ; Pacific R. R. Rep. ii, 104. Eaton & Wright, Bot. 377. Nnttall, Sylva, ii, 19, t. 48 ; 2 ed. i, 169, t. 48. 

 Torrey.Fl. N. York, i, 194; Emory's Rep. 408 ; Pacific R. R. Rep. iv, 82. Emerson, Trees Massachusetts, 449; 2 ed.ii, 511. Hooker 

 in London Jour. Bot. vi, 217. Reamer, Syn. Mon. iii, 59. Gray in Mein. Am. Acad. new ser. iv 1 , 40 ; Manual N. States, 5 ed. 148. 

 Scheele in Rcemer, Texas, 430. Richardson, Arctic Exped. 424. Parry in Owen's Rep. 611. Chapman, Fl. S. States, 119. Curtis 

 in Rep. Geological Surv. N. Carolina, 1860, iii, 56. Lesquereux in Owen's 2d Rep. Arkansas, 358. Wood, Cl. Book, 32? ; Bot. & Fl. 

 102. Engelrnann in Trans. Am. Phil. Soc. new ser. xiii, 190. Koch, Drendrologie, i, 101. Porter & Coulter, Fl. Colorado ; Hayden's 

 Snrv. Misc. Pub. No. 4, 33. Vasey, Cat. Forest Trees, 13. Macoun in Geological Rep. Canada, 1875-76,194. Broadhead in Coulter's 

 Bot. Gazette, iii, 52. Bell in Geological Rep. Canada, 1879-'80, 54". Ridgway in Proc. U. S. Nat. Mus. 1882, 65. 



P. Mississippi, Marshall, Arbustum, 112. 



P. spinosa, Walter, Fl. Caroliniana, 146 [not Linnaeus]. 



P. nigra, Alton, Hort. Kew. ii, 165 ; 2 ed. iii, 198. Willdenow, Spec, ii, 993 ; Berl. Baumz, 311. Poiret in Lamarck, Diet. v, 

 674. Persoon, Syn. ii, 35. Bot. Mag. 1. 1117. Pursh, Fl. Am. Sept. i, 331. Torrey, Fl. U. S. 469; Compend. Fl. N. States, 

 199. Sprengel, Syst. ii, 477. Roemer, Syn. Mon. iii, 59. 



Gerasus nigra, Loiselenr in Nouveau Duhamel, v, 32. Seringe in De Candolle, Prodr. ii, 538. Hooker, Fl. Bor.-Am. i, 167; 

 Companion Bot. Mag. i, 24. Don, Miller's Diet, ii, 513. Beck, Bot. 96. Spach, Hist. Veg. i, 399. Loudon, Arboretum, 

 ii,704,f.411, 412. 



P. Memalis, Elliott, Sk. i, 542 [not Michaux]. 

 P. COCCinea, Rafinesque, Fl. Ludoviciana, 135. 



WILD PLUM. CANADA PLUM. HORSE PLUM. 



Valley of the Saint Lawrence (Quebec) to the valley of Bainy and Assinaboine rivers and southern shores of 

 lake Manitoba; northern Vermont, western New England, and southward through" the Atlantic states to the 

 Chattahoochee region of western Florida, west to the valley of the upper Missouri river, Dakota, and Cheyenne 

 canon, Pike's Peak region, Colorado, southwest through Arkansas, the Indian territory, to about longitude 102, 

 and the valley of the lower Concho river, Texas. 



A small tree, 6 to 12 meters in height, with a trunk rarely exceeding 0.30 meter in diameter ; rich woods, 

 or along streams and borders of ponds and swamps, reaching its greatest development on the bottom lands of 

 eastern Texas. 



A form with the young leaves and pedicles pubescent is 



var. mollis, Torrey & Gray, Fl. N. America, i, 407. 



P. Memalis, Michaux, FL Bor.-Am. i, 284. Poiret in Lamarck, Diet, v, 679. Persoon, Syn. ii, 35. Desfontaines, Hist. Arb. 

 ii,206. Nonvean Duhamel, v, 184. Hayne, Dend. Fl. 73. Sprengel, Syst. ii, 477. Spach, Hist. Veg. i, 398. Rasmer, 

 Syn. Mon. iii, 59. 



P. mollis, Torrey, Fl. U. S. 470 ; Compend. Fl. N. States, 199. Beck, Bot. 95. 



Gerasus Memalis, Seringe in De Candolle, Prodr. ii, 538. Hooker, Fl. Bor.-Am. i, 168. Beck, Bot. 96. London, Arboretnm, 

 ii, 704. Don, Miller's Diet. ii,504. 



Cerasus Americana, Hooker, Companion Bot. Mag. i, 24. 



Wood heavy, very hard, strong, very close-grained, compact, satiny, susceptible of a beautiful polish ; medullary 

 rays numerous, thin; color, rich bright brown or often red, the sap-wood lighter; specific gravity, 0.7215; ash, 0.18 j 

 nsed for the handles of tools, etc. 



Often cultivated for theyellow, red, or rarely nearly black, acid or rarely sweet fruit, and furnishing an excellent 

 stock on which to graft the varieties of the domestic plum. 

 5 FOE 



