CATALOGUE OF FOllEST TREES. 75 



123- Crataegus Douglasii, Lindley, 



Bot. Eeg. xxi, 1. 1810. Loudon, Arboretum, ii, 823, f. 584 & t. Koch, Dendrologie, i, 147. Kaleniczenko in Bull. See. Imp. Nat. Moscow, 

 xlviii, 26. Brewer &. Watson, Bot. California, i, 189. Macoun in Geological Rep. Canada, 1875-'76, 195. Engelmann in Coultert 

 Bot. Gazette, vii, 128. 



f C. glandulosa, Pursh, Fl. Am. Sept. i, :i37, in part. ' 



G. punctata, var. brevispina, Douglas in Hooker, Fl. Bor.-Am, i, 201. 



G. sang^inea, var. Douglasii, Torrey & Gray, Fl. N. America, i, 464. Walpers, Kep. ii, 58. Dietrich, Syn.iii, 160. 

 Torrey, Bot. Wilkes Exped. 292. Eegel in Act. Hort. St. Petersburg, i, 116. 



G. sanguinea, NuttaU, Syl va, ii, 6, t. 44 ; 2 ed. i, 157, t. 44 [not Pallas]. Cooper in Smithsonian Kep. 1858, 259 ; Am. Nat, 

 iii, 407. Vasey, Cat. Forest Trees, 14. 



Anthomeles Douglasii, Boemer, Syn. Mon. iii, 140. 



G, rivularis. Brewer & Watson, Bot. California, i, 189 [not Nnttall]. 



British Columbia, valley of the Parsnip river, in about latitude 55 K, south through Washington territory 

 and Oregon to the valley of the Pitt river, California, extending east through Idaho and Montana to the western 

 base of the Eocky mountains (valley of the Flathead river, Canby & Sargent). 



A small tree, sometimes 12 meters in height, with a trunk 0.30 to 0.45 meter in diameter, or often a tall shrub 

 throwing up many stems from the ground and forming impenetrable thickets ; rather wet, sandy soil along 

 streams, and reaching its greatest development in the valleys west of the Cascade mountains; toward its eastern 

 limits a low shrub. 



Wood heavy, hard, tough, close-grained, compact, satiny, susceptible of a beautiful polish ; mieduUary rays 

 numerous, thin ; color, nearly white tinged with rose, the sap-wood lighter; specific gravity, 0.6950 ; ash, 0.33; 

 used for wedges, mauls, etc. 



The small, sweet, black fruit, ripening in August, is largely collected by the Indians. 



124. Cratcegus brachyacantha, Sargent & Englemann; 

 Engelmann in Conlter's Bot. Gazette, vii, 128. 



HOGS' HAW. 



New Orleans!, {Drummond in herb. Gray); Minden, Louisiana (Mohr); Concord, Texas (Sargent); Longview, 

 Texas (in fruit, Letterman). 



A tree 9 to 12 meters in height, with a trunk sometimes 0.60 meter in diameter ; borders of streams in low, 

 very rich soil ; the largest North American representative of the genus. 



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

 very obscure; color, light brown tinged with rose, the sap-wood lighter ; specific gravity, 0.6793 ; ash, 0.42. 



The large blue-black fruit greedily eaten by hogs and other animals. 



125. Crataegus arborescens, Elliott, 



8k. i, 550. Eaton, Manual, 6 ed. 112. Torrey & Gray, Fl. N. America, i , 406. Eaton & Wright, Bot. 212. Dietrich, Syn. iii, 160. 

 Walpers, Rep. ii, r)8. NuttaU, Sylva, ii^lO, t.45; 2 ed. i, 160,t.45. Darby, Bot. S. States, 306. Cooper in Smithsonian Rep. 1858, 

 252. Chapman, Fl. S. States, 127. Wood, CI. Book, 331 ; Bot. & Fl. 111. Young, Fl. Texas, 259. Vasey, Cat. Forest Trees, 14. 

 Engelmann in Bull. Torrey Bot. Club, ix, 4. 



Phcenopyrum arborescens, Rcemer, Syn. Mon. iii, 153. 



G. Grus-galli, var. pyracanthifolia, Regel in Act. Hort. St. Petersburg, i, 109, in part. 



Valley of the Savannah river, South Carolina (Aiken, Ravenel), south to the Chattahoochee region of western 

 Florida ; valley of the Mississippi river, near Saint Louis {Engelmann), south and southwest to western Louisiana, 

 nd the valley of the lower Colorado river, Texas. 



A small tree, 6 to 9 meters in height, with a trunk sometimes 0.45 to 0.60 meter in diameter ; borders of streams 

 and in rather low, wet swamjjs. 



Wood heavy, hard, not strong, clo.ie-grained, compact, susceptible of a beautiful polish ; medullary rays very 

 numerous, obscure; color, light brown tinged with red, the sap-wood lighter; specific gravity, 0.6491; ash, 0.57. 



The small globular fruit bright red or, more rarely, orange. 



