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 T  A  B.  CCXLIV.  
 AGARICOS  GIGANTEUS.  Sibth.  Oxon.  420,  
 í  F  this  be  Dr.  Sibthorp's  plant,  it  will  appear  he  was  
 the  firft  to  notice  it  as  a  Britifli  fpecies,  to  which  it  
 certainly  has  a  claim.  The  general  magnitude  of  the  
 head  on  a  iliort  thick  ftipes,  and  the  profufion  in  
 which  it  occurs,  will  readily  diftinguilli  it.  I  once  
 found  it  in  Richmond  Park,  where  there  were  fome  
 fpecimens  more  than  nine  inches  in  diameter.  The  
 upper  part  of  the  ñipes  is  fomewhat  tomentofe.  
 T A B .  CCXLV.  
 AGARICUS  LISTEKI.  JVitb.  ed.  3.  q).  4.  158.  
 I  BELIEVE  this  no  other  than  a  jilant  of  Agaricus  
 Lijieri,  and  think  myfelf  wrong  in  making  tab.  104  
 Lifter's  plant,  which  is  fureJy  another  fpecies.  A.  lactiftuus  
 acris.  Bull.  200 ;  A.  acris  538,  except  H  and  G  ;  
 K.plumbeus,tab.  282;  and  A.  plomb.\  tab.  fig.  2,  
 are  moft  likely  the  true  Lijleri.  I  have  fkind  It  in  
 great  quantities  without  branched  gills,  from  a  parchment  
 white,  to  almoft  black*,  refembling  A.  elephantinus, 
   from  which  it  is  readily  diftinguiilied  by  the  
 clofenefs  of  its  lamella;:  my  tab.  104!  has  conftantly  
 branched  and  inofculating  lamella;;  and  I  never  found  
 it  blacken  in  decay.  
 *  In  this  (late  ¡t  is  ihe  A.  pl:,mb,„s  Bull,  as  above  ;  A. plumbm,  of  Dr.  
 Vv'itherlDg  is  undoubtedly  a  variety  of  A.  mufiarim  Linn.  
 t  A  fipcrau.s  of  moft  Englift,  authors  muft  have  another  name,  fuppofinj;  
 Dr.  Withering  right  in  his  idea  of  A.piperatus.  
 T A B .  CCXLVI.  
 AGARICUS  cARNOsus.  Curt.  Lond.  fafc.  t.-ji.  
 N O T  very  rare,  but  fometinies  fo  varying  from  the  
 common  charaiter  as  not  readily  to  be  diftinguiilied,  
 though  certainly  a  d'lftinft  fpecies,  and  by  no  means  
 related  to  A.  clypeolarius,  as  Dr.  Withering  feems  to  
 intimate.  I  have  found  it  in  Lord  Mansfield's  woods,  
 Hampftead,  in  woods  in  Norfolk,  on  Moufliold  heath  
 near  Norwich,  and  other  places.  
 T  A  B.  CCXLVII.  
 AGARICUS  PRATENSIS.  Hudf.  616.  
 O R E A D E S .  With.  ed.  3.  V.  4.  221.  
 C H A M P I G N O N S  are  well  known  to  be  ufed  in  
 fauces  and  made  diflres  in  many  parts  of  England,  as  
 well  as  on  the  Continent.  Bulliard  diftinguiflies  two  
 forts,  which  appear  to  me  to  be  varieties,  depending  
 on  foil  or  other  circumftances.  They  grow  in  meadows, 
   heaths,  road-fides,  banks,  &c.  in  moft  feafons,  
 after  rain  plentifully;  always  tending  to  form  circles  
 or  fairy-rings  as  they  are  called.  The  different  fpecimens  
 vary  a  little  in  colour  from  a  light  to  a  deep  
 buff".  The  pileus  is  fomewhat  convex;  the  lamellx»  
 not  immerons;  the  ftipes  feldom  quite  fmooth;  the  
 whole  plant  inclining  to  a  leathery  texture.  This  
 fpecies  is  fometinies  called  the  Scotch  bonnet.  See  
 Rait  Svn.  p.  6.  n.  27.  It  frequently  has  an  agreeable  
 odour  like  almond  kernels.  
 AGARICUS  SEMIGLOBATUS.  IVith.  3.  ed. v.  4.  270.  
 G L U T I N O S U S .  Curt.  Lond.fafc.  t.  6g.  
 C o m m o n  almoft  every-where.  It  is  moft  generally  
 of  a  hemifphxrical  form,  yet,  like  other  fungi,  
 occafionally  varies,  and  perhaps  may  furniflr  a  new