2.  P.  pendula,  Lindl.  Root  tuberous  ;  leaves  several,  short,  alternate,
ovate,  clasping;  flowers  3-7,  axillary,  long-peduncled,  drooping,  whitish;
sepals  and  petals  lanceolate,  acute  ;  lip  spatulate,  somewhat  3-lobed,  roughened
but  not  crested,  rather  shorter  than  the  petals,  longer  than  the  column.  (Tri-
pbora  pendula,  Nutt.)  —  Rich  shady  woods,  Middle  Florida,  and  northward.
July  and  Aug.  —  Stem  4'-  8'  high.     Leaves  6"  -  9"  long.
39


458  ORCHIDACE^E.       (ORCHIS    FAMILY.)

*  *  Sepals  (brown)  linear,  spreading,  much  longer  than  the  erect  petals:  lip  crested,

3-lobed.
3.  P.  divaricata,  R.  Br.  Leaves  2,  sessile,  lanceolate,  one  near  the
middle  of  the  stem,  the  other  smaller  and  bract-like  at  the  base  of  the  solitary
terminal  flower;  sepals  purplish-brown,  broadly  linear,  and,  like  the  flesh-
colored  lanceolate  petals,  recurved  at  the  apex;  lip  half-cylindrical,  wavy  and
crenulate  on  the  margins,  3-lobed  at  the  apex,  greenish  veined  with  purple;
crest  beardless.  —  Swamps,  Florida  to  North  Carolina.  May.  —  Stem  l°-2°
high.     Leaves  2' -5'  long.     Sepals  l'-lj*  long.
4.  P.  verticillata,  Nutt.  Leaves  5,  obovate-oblong,  abruptly  pointed,
whorled  at  the  base  of  the  solitary  reddish-brown  flower  ;  sepals  linear,  spread-
ing, 3  times  as  long  as  the  erect  oblong  yellowish  petals,  and  yellowish  3-lobed
wavy  lip.  —  Low  shady  woods,  Florida,  and  northward.  May.  —  Stem  1°  high.
Leaves  enlarged  in  fruit.     Flower  peduncled.     Sepals  2'  long.
10.  AEETHUSA,    Gronov.
Sepals  and  petals  alike  and  nearly  equal,  cohering  at  the  base,  arching  and
connivent  over  the  column.  Lip  adnatc  to  the  base  of  the  column,  dilated  and
bent  downward  above  the  middle,  crested  within.  Column  incurved,  expanded
and  petal-like  at  the  apex.  Anther  terminal,  lid-like,  with  the  cells  approxi-
mate. Follcn-masses  4,  powdery.  —  Scape  erect  from  a  solid  globular  tuber,
sheathed,  bearing  a  single  large  terminal  flower.
