﻿1890.] 
  BOTANICAL 
  GAZETTE. 
  35 
  

  

  broader 
  than 
  high 
  (5 
  to 
  6 
  mm. 
  high, 
  4 
  to 
  7 
  mm, 
  broad). 
  — 
  C. 
  

   lanuginosa 
  Michx. 
  6\ 
  ohUqtia 
  Ruf. 
  

  

  Hah, 
  Wet 
  ground, 
  from 
  New 
  Brunswick 
  to 
  Florida 
  and 
  westward 
  

   to 
  Dakota 
  and 
  Tt^xas. 
  

  

  Specimens 
  examined: 
  Vermont 
  {Fringle); 
  Connecticut 
  (Eaton); 
  New 
  

  

  Martindale 
  

  

  i 
  

  

  {J. 
  D, 
  Smith) 
  ; 
  District 
  of 
  Columbia 
  (C/it^^fcenngr, 
  Ward, 
  Seaman): 
  Virginia 
  

   (Curtiss); 
  North 
  Carolina 
  (no 
  collector 
  given); 
  South 
  Carolina 
  [Mrs. 
  

   Thompson) 
  ; 
  Georgia 
  (Bugel) 
  ; 
  Ontario 
  {Burgess, 
  Macoun) 
  ; 
  Michigan 
  

   (Clarke) 
  ; 
  Wisconsin 
  (Douglas, 
  Mrs, 
  Luce] 
  ; 
  Illinois 
  (Brj/ce, 
  Brendel, 
  Wolf) 
  ; 
  

   Iowa 
  (Burgess); 
  N. 
  Texas 
  (Blgelow), 
  

  

  Certain 
  forms 
  of 
  this 
  variable 
  but 
  very 
  distinct 
  species 
  seem 
  to 
  have 
  

   been 
  mistaken 
  by 
  collectors 
  for 
  C. 
  stolonifera 
  ; 
  but 
  even 
  when 
  the 
  pubes- 
  

   cence 
  character 
  is 
  lacking, 
  the 
  prominent 
  calyx 
  teeth, 
  the 
  conspicuously 
  

   swollen 
  style-tip, 
  and 
  the 
  large 
  oblique 
  irregularly 
  and 
  prominently 
  

   ridged 
  stone 
  will 
  serve 
  to 
  distinguish 
  it 
  with 
  certainty. 
  

  

  (2). 
  Stone 
  globular 
  or 
  nearly 
  so, 
  mostly 
  not 
  at 
  all 
  ridged, 
  3 
  to 
  5 
  mm. 
  

   in 
  diamater. 
  

  

  9. 
  C.circinata 
  L'Her. 
  Corn. 
  7. 
  Shrub 
  i 
  to 
  3 
  meters 
  high, 
  

   with 
  smooth 
  greenish 
  branches; 
  branchlets 
  and 
  inflorescence 
  

   appressed-pubescent 
  : 
  petioles 
  about 
  12 
  mm. 
  long; 
  leaves 
  

   round-oval, 
  abruptly 
  short-acuminate, 
  minutely 
  appressed- 
  

   pubescent 
  above, 
  whitish 
  and 
  woolly 
  beneath, 
  7.5 
  to 
  14 
  cm, 
  

   long, 
  5 
  to 
  12 
  cm. 
  wide 
  ; 
  flowers 
  in 
  rather 
  small 
  compact 
  cymes 
  : 
  

   calyx-teeth 
  small 
  : 
  fruit 
  light 
  bine 
  ; 
  stone 
  spherical, 
  not 
  fur- 
  

   rowed, 
  small 
  (3 
  mm. 
  in 
  diameter). 
  — 
  C\ 
  ricgosa 
  Lam. 
  C. 
  torn- 
  

   entulosa 
  Michx. 
  

  

  Hah, 
  From 
  Nova 
  Scotia 
  to 
  the 
  mountains 
  of 
  Virginia, 
  westward 
  

   through 
  the 
  region 
  of 
  the 
  Great 
  Lakes 
  to 
  Iowa 
  and 
  the 
  Winnipeg 
  Valley. 
  

  

  Specimens 
  examined; 
  Maine 
  (Young); 
  Vermont 
  (Pringle); 
  Mas- 
  

   sachusetts 
  (Sears); 
  New 
  York 
  {Gray, 
  Mertz, 
  Martindale) 
  ; 
  Pennsylvania 
  

  

  Martind^ 
  

  

  Winn 
  

  

  (Bahcock) 
  

  

  10. 
  C. 
  asperifolia 
  Michx. 
  FL 
  1.93, 
  Erect 
  shrub 
  i 
  to 
  4.5 
  

  

  meters 
  high, 
  with 
  reddish-brown 
  mostly 
  pubescent 
  branches 
  : 
  

   branchlets 
  and 
  inflorescence 
  rough 
  pubescent 
  : 
  petioles 
  3 
  to 
  18 
  

   mm, 
  long 
  ; 
  leaves 
  from 
  narrovvl}^ 
  ovate 
  to 
  round-ovate 
  and 
  ob- 
  

   long, 
  from 
  short 
  to 
  conspicuously 
  acuminate, 
  acute 
  or 
  obtuse 
  

   at 
  base, 
  rough 
  pubescent 
  above, 
  whitish 
  and 
  roughish 
  woolly 
  

   beneath, 
  3.5 
  to 
  12.5 
  cm. 
  long, 
  r.8 
  to 
  7*5 
  cm. 
  wide 
  : 
  flowers 
  in 
  

   loose 
  mostly 
  broad 
  often 
  paniculate 
  cymes 
  : 
  calyx-teeth 
  small 
  : 
  

  

  