Wood  heavy,  hard,  not  strong,  very  close-grained,  compact,  susceptible  of  a  beautiful  polish;  well  characterized,
as  in  all  the  North  American  species,  by  large  open  ducts,  defining,  with  several  rows,  the  rings  of  annual  growth,
and  connected  by  conspicuous  branching  groups  of  similar  ducts,  giving  to  a  cross-section  a  beautifully  reticulated
appearance ;  medullary  rays  numerous,  thin ;  color,  light  brown  streaked  with  white,  the  sap-wood  lighter;  specific
gravity,  0.7293 ;  ash,  0.78.
179. — Bumelia  lanuginosa,  Persoon,

Syn.  i,  237.— Pursh,  Fl,  Am.  Sept.  i,  155.— Nuttall,  Genera,  i,  135.— Eoemer  &  Sohultes,  Syst.  iv,  497.— Elliott,  Sk.  i,  288.— Eaton,  Manual,
6  ed.  60.— Don,  Miner's  Diet,  iv,  30.— Loudon,  Arboretum,  ii,  1194.- Eaton  &  Wright,  Bot.  162.— A.  De  CandoUe,  Prodr.  viu,  190.—
Darby,  Bot.  S.  States,  428.— Cooper  in  Smithsonian  Eep.  1858, 253.— Chapman,  Fl.  S.  States,  275.— Lesqaereus  in  Owen's  2d  Eep.
Arkansas, 374.— Wood,  CI.  Book,  501;  Bot.  &  Fl.  210.— Gray,  Manual  N.  States,  5  ed.  308 ;  Hall's  PI.  Texas,  15;  Syn.  Fl. N.  America,
iii,  68.— Young,  Bot.  Texas,  377.— Vasey,  Cat.  Forest  Trees,  19.
fSideroxylon  tencuc,  Walter,  Fl.  Caroliniana,  100.
Sideroxylon  lanuginosum,  Michaux,  Fl.  Bor.-Am.  i,  122.
9B.  oblongifoUa,  Nuttall,  Genera,  1, 135 ;  Sylva,  iii,  33 ;  2  ed.  ii,  102.— Sprengel,  Syst.  i,  664.— Eaton,  Manual,  6  ed.  60.— Eaton
&  Wright,  Bot.  162.— Don,  Miller's  Diet,  iv,  30.— Loudon,  Arboretum,  ii,  1194.— Dietrich,  Syn.  i,  621.— A.  De  CandoUe,
Prodr.  viii,  190. — Lesquereux  in  Owen's  2d  Eep.  Arkansas,  374.
B.  ferruginea,  NuttaU,  Sylva,  iii,  34 ;  2  ed.  ii,  103.
B.  tomentOSa,  a.  De  Capdolle,  Prodr.  viii,  190.
B.  arborea,  Buckley  in  Proc.  Philadelphia  Acad.  1861, 461.
GUm  ELASTIC.     SHITTIM  WOOD.
