﻿52 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  lobes 
  each 
  side, 
  often 
  tinged 
  with 
  brownish 
  red 
  as 
  they 
  unfold 
  and 
  

   clothed 
  above 
  with 
  minute 
  appressed 
  whitish 
  hairs 
  which 
  soon 
  

   disappear, 
  dark 
  yellowish 
  green 
  above, 
  paler 
  below, 
  larger, 
  darker 
  

   green 
  and 
  glabrous 
  when 
  mature, 
  petioles 
  slender, 
  9-15 
  lines 
  long, 
  

   dotted 
  with 
  a 
  few 
  scattered 
  glands 
  and 
  slightly 
  margined 
  at 
  the 
  

   apex; 
  flowers 
  6-12 
  in 
  a 
  cluster, 
  on 
  slender 
  rather 
  long 
  glabrous 
  

   peduncles, 
  calyx 
  lobes 
  narrow, 
  elongated, 
  entire 
  or 
  with 
  a 
  few 
  

   minute 
  glands, 
  stamens 
  5-10, 
  anthers 
  pink 
  or 
  pinkish 
  purple 
  ; 
  fruit 
  

   subglobose 
  obovate 
  or 
  oblong, 
  dark 
  red 
  when 
  ripe, 
  drooping, 
  the 
  

   calyx 
  lobes 
  subpersistent, 
  spreading 
  or 
  reflexed, 
  nutlets 
  3-4. 
  

  

  Clayey 
  soil. 
  North 
  Greenbush 
  and 
  Rensselaer. 
  Flowers 
  May 
  

   12-20, 
  fruit 
  ripens 
  during 
  September. 
  This 
  species 
  is 
  very 
  distinct 
  

   and 
  easily 
  recognized 
  by 
  its 
  peculiar 
  oblong 
  ovate 
  leaves 
  with 
  acu- 
  

   minate 
  apex 
  and 
  on 
  fertile 
  branches 
  with 
  cuneate 
  base, 
  making 
  

   them 
  pointed 
  at 
  each 
  end. 
  On 
  young 
  and 
  vigorous 
  shoots 
  they 
  are 
  

   usually 
  broadly 
  rounded 
  at 
  the 
  base, 
  and 
  are 
  sometimes 
  3.5-1 
  

   inches 
  long 
  and 
  2-2.5 
  inches 
  broad. 
  They 
  are 
  generally 
  more 
  

   elongated 
  when 
  growing 
  in 
  the 
  borders 
  of 
  woods 
  than 
  when 
  in 
  

   more 
  open 
  exposed 
  places. 
  The 
  autumn 
  buds 
  are 
  clothed 
  with 
  a 
  

   varnish 
  which 
  is 
  sticky 
  in 
  warm 
  weather. 
  Though 
  found 
  in 
  sev- 
  

   eral 
  places 
  on 
  the 
  east 
  side 
  of 
  the 
  Hudson 
  river, 
  no 
  example 
  of 
  it 
  

   has 
  yet 
  been 
  found 
  on 
  the 
  west 
  side 
  of 
  the 
  river. 
  

  

  Crataegus 
  matura 
  Sarg. 
  

  

  Mature 
  thorn 
  

   Rhodora, 
  3 
  : 
  24 
  

   Shrub 
  5-10 
  feet 
  tall 
  with 
  many 
  slender 
  ascending 
  or 
  nearly 
  erect 
  

   branches 
  or 
  occasionally 
  with 
  the 
  lower 
  widely 
  spreading; 
  leaves 
  

   broadly 
  ovate, 
  oval 
  or 
  rhomboidal, 
  thin, 
  acute 
  or 
  acuminate 
  at 
  

   the 
  apex, 
  rounded 
  or 
  cuneate 
  at 
  the 
  base, 
  finely 
  and 
  sharply 
  ser- 
  

   rate, 
  deeply 
  and 
  sharply 
  divided 
  into 
  4-6 
  very 
  distinct 
  sharp 
  

   pointed 
  or 
  acuminate 
  lobes 
  on 
  each 
  side, 
  yellowish 
  green 
  when 
  

   young 
  and 
  clothed 
  with 
  short 
  appressed 
  whitish 
  hairs, 
  darker 
  

   green 
  and 
  glabrous 
  when 
  mature, 
  2-2.5 
  inches 
  long, 
  1.5-2 
  inches 
  

   broad, 
  petioles 
  slender, 
  6-12 
  lines 
  long, 
  slightly 
  glandular 
  and 
  

   sometimes 
  wing 
  margined 
  at 
  the 
  apex; 
  flowers 
  4-8 
  in 
  a 
  cluster, 
  

   on 
  short 
  glabrous 
  or 
  slightly 
  hairy 
  peduncles, 
  calyx 
  lobes 
  elong- 
  

   ated, 
  narrow, 
  entire 
  or 
  slightly 
  glandular, 
  often 
  red 
  at 
  the 
  tips, 
  

  

  