8.  ligustrina,  Michaux  f.  Hist.  Arb.  Am.  iii,  326,  t.  5,  f.  2 ;  N.  American  Sylva,  3  ed.  iii,  65,  t.  125,  f.  2.— Poiret,  Suppl.  v,  61.
8.  Purshiaiia,  Sprengel,  Syst.  iii,  608.— Beck,  Bot.  320.— Darlington,  Fl.  Cestrica,  2  ed.560.
8.  flavo-mrens,  Homemann  in  Cat.  Hort.  Hafn.  Suppl.  ii,  11.
f  8.  COrdata,  vav.  falcata,  Torrey,  Compend.  Fl.  N.  States,  370.
8.  nigra,  var.  falcata,  Torrey,  Fl.  N.  York,  ii,  209.— Carey  in  Gray,  Manual  N.  States,  1  ed.  429.— Darlington,  Fl.  Cestrica,  3
ed.  280.
166  FOREST  TREES  OF  NORTH  AMERICA.
BLACK  WILLOW.
Southern  New  Brunswick  and  the  northern  shores  of  lakes  Huron  and  Superior  southward  through  the
Atlantic  region  to  bay  Biscayne  and  the  Caloosa  river,  Florida,  and  the  valley  of  the  Guadalupe  river,  Texas;
Pacific  region,  valleys  of  the  Sacramento  river,  California,  and  the  Colorado  river,  Arizona.
A  small  tree,  sometimes  ]  5  to  18  meters  in  height,  with  a  trunk  rarely  0.60  meter  in  diameter,  or  in  southern
Florida  reduced  to  a  low  shrub;  usually  along  the  banks  of  streams;  most  common  in  the  basin  of  the  Mississippi
river  and  reaching  its  greatest  development  in  the  rich  bottom  lands  of  the  Colorado  and  other  rivers  of  eastern
Texas;  varying  greatly  in  the  size  and  shape  of  the  leaves  (vars.  angustifoKa,  longifolia,  latifolia,  etc.,  Andersson  in
Kongl.  Sven.  Alcad.  Handl.  vi,  20),  length  and  habit  of  the  aments,  etc.
The  best  marked  forms  are —

var.  marginata,  Andersson  in  Kongl.  Sven.  Akacl.  Handl.  vi,  22 ;  De  Candolle,  Prodr.  xvi',  201.
S.  marginata,  Wimmer  in  Schedul.  Herb.  Vindab.
var.  longipes,  AnderssoninKongl.  Sven.  Akad.  Handl.  vi,  22;  De  Candolle,  Prodr.  xvi^ 201.
