CATALOGUE OF FOREST TREES. 79 



129. Crataegus tomentosa, Linnaeus, 



Spec. 1 ed. 476 (excl. syn. Gronovius). Kalm, Travels, English ed. ii, 151. Du Roi, Harbk. i, 183. Torrey & Gray, Fl. N. America, i, 

 466. Dietrich, Syu. iii, 160. Torrey, Fl. N. York, i, 222. Emerson, Trees Massachusetts, 1 ed. 435; 2 ed. ii, 494 & t. Parry in 

 Owen's Rep. 612. Cooper in Smithsonian Rop. 1858, 252. Chapman, Fl. S. States, 127. Lesquereux in Owen's 2d Rep. Arkansas, 

 359. Wood, Cl. Book, 330. Engelmann in Trans. Am. Phil. Soc. new ser. xii, 191. Gray, Manual N. States, 5 ed. 160. Young, 

 Bot. Texas, 258. Vasey, Cat. Forest Trees, 14. Macoun in Geological Rep. Canada, 1875-'76, 195. Ridgway in Proc. U. S. Nat. 

 Mns. 1882, 66. 



C. leucophlceos, Meench, Hort. Weiss. 31, t. 2. Regel in Act. Hort. St. Petersburg, i, 106. 

 Mespilus Calpodendron, Ehrhart, Beitr. ii, 67. 



C. pyrifolia, Alton, Hort. Kew. ii, 168 ; 2 ed. iii, 200. Willdenow, Spec, ii, 1001. Persoon, Syn. ii, 36. Nouveau Duhamel, iv, 

 131. Poiret, Suppl. i, 292. Pursh, Fl. Am. Sept. i, 337. Nuttall, Genera, i, 305. Elliott, Sk. i, 550. Torrey, Fl. U. S. 

 475; Compend. Fl. N. States, 201. Do Candolle, Prodr. ii, 627. Hooker, Fl. Bor. -Am. i, 201. Don, Miller's Diet, ii, 

 599. Eaton, Manual, 6 ed. 111. Lind]"y, Bot. Reg. xxii, 1. 1877. Louden, Arboretum, ii, 819, f. 571 & t. Eaton & 

 Wright, Bot. 211. 



Mespilus latifolia, Lamarck, Diet, iv, 444. Desfontaines, Hist. Arb. ii, 156. Nouvean Duhamel, iv, 150. Spach, Hist. Veg. 

 ii,60. 



0. latifolia, Persoon, Syn. ii, 36. Don, Miller's Diet, ii, 598. Eaton, Manual, 6 ed. 112. Eaton & Wright, Bot. 212. Roomer, 

 Syn. Mou. 119. 



Mespilus pyrifolia, Willdenow, Enum.523; Berl. Baumz. 240. Kaleniczenko in Bull. Soc. Imp. Nat. Moscow, xlviii, 15. 

 Sprengel, Syst. ii, 507. Hayne, Dend. Fl. 78. 



Mespilus lobata, Poiret, Suppl. iv, 71. 

 Mespilus odorata, Wondland in Regensb. Fl. 1823, 700. 

 Mespilus pruinosa, Wendlaud in Regensb. Fl. 1823, 700. 

 C. lobata, Bosc in De Candolle, Prodr. ii, 628. 

 C. flava, Hooker, Fl. Bor.-Am. i, 202 (excl. syn.). 

 Halmia tomentosa, Reamer, Syn. Mon. 135. 

 Halmia lobata, Roemer, Syn. Mon. 135. 

 Phcenopyrum pruinosum, Rcemer, Syn. Mon. 155. 







t C. coccinea, var. viridis, Torrey in Pacific R. R. Rep. iv, 86 [not Torrey <fc Gray]. 

 C. tomentosa, var. pyrifolia, Gray, Manual N. States, 5 ed. 160. Wood, Bot. & Fl. 111. 

 C. cocctwea,Brandegee in Hayden's Rep. 1875, 236 [not Linnsens]. 

 C. leUCOCephalus, Lavallee, Arboretum Segrez. 78, t. 22 [not Momch]. 

 C. COCCinea, var. COrdata, Lavalle~e, Arboretum Segrez. 81, t. 22. 



BLACK THORN. PEAR HAW. 



New Brunswick, westward along the valley of the Saint Lawrence river and the northern shores of the great 

 lakes to the Saskatchewan region, southward through the Atlantic forests to the Chattahoochee region of western 

 Florida, and eastern Texas west to the mountains of eastern Washington territory and Oregon, southwestern 

 Colorado, and southwestern New Mexico. 



A small tree, C to 9 meters iu height, with a trunk rarely 0.45 meter in diameter, or often, especially west of 

 the Rocky mountains, reduced to a low shrub, here forming dense thickets along mountain streams ; the most widely- 

 distributed of the North American Cratwgi, varying greatly in the size, shape, and color of the fruit, form of the 

 leaves, amount of pubescence, etc. 



Wood heavy, hard, not strong, close-grained, compact; medullary rays numerous, thin ; color, bright reddish- 

 brown, the sap-wood lighter; specific gravity, 0.7633; ash, 0.50. 



