﻿158 
  KEY 
  AND 
  FLORA 
  

  

  groups. 
  Ovary 
  5-celled, 
  with 
  2 
  ovules 
  in 
  each 
  cell; 
  stigma 
  

   5-lobed. 
  Capsule 
  1-celled, 
  1-2-seeded 
  ; 
  peduncle 
  and 
  bract 
  

   deciduous 
  with 
  the 
  matured 
  fruit, 
  the 
  bract 
  forming 
  a 
  wing 
  

   by 
  which 
  the 
  fruit 
  is 
  often 
  carried 
  to 
  a 
  considerable 
  distance.* 
  

  

  1. 
  T. 
  americana 
  L. 
  BASSWOOD, 
  WHITEWOOD. 
  A 
  large 
  tree, 
  some- 
  

   times 
  lL'5 
  ft. 
  high. 
  Leaves 
  larger 
  than 
  in 
  No. 
  2 
  (2-5 
  in. 
  wide), 
  often 
  

   unsvmmetrical, 
  heart-shaped 
  or 
  truncate 
  at 
  the 
  base, 
  sharply 
  toothed. 
  

   Floral 
  bract 
  often 
  narrowed 
  at 
  the 
  base. 
  Fruit 
  somewhat 
  ovoid, 
  ^ 
  

   in. 
  or 
  more 
  in 
  diameter. 
  Common 
  in 
  rich 
  woods; 
  occurs 
  farther 
  N. 
  

   than 
  No. 
  2. 
  

  

  2. 
  T. 
  Michauxii 
  Nutt. 
  BASSWOOD. 
  A 
  tree 
  of 
  medium 
  size. 
  Leaves 
  

   ovate, 
  acuminate 
  at 
  the 
  apex, 
  obtuse 
  and 
  oblique 
  at 
  the 
  base, 
  mucro- 
  

   nate-serrate, 
  woolly 
  on 
  both 
  sides 
  or 
  smooth 
  above 
  when 
  old. 
  Flowers 
  

   fragrant 
  ; 
  floral 
  bract 
  2-3 
  in. 
  long, 
  usually 
  rounded 
  at 
  the 
  base. 
  Fruit 
  

   globose, 
  about 
  | 
  in. 
  in 
  diameter. 
  In 
  rich 
  woods. 
  Bees 
  gather 
  large 
  

   quantities 
  of 
  nectar 
  from 
  the 
  flowers.* 
  

  

  3. 
  T. 
  heterophylla 
  Vent. 
  WHITE 
  BASSWOOD. 
  A 
  large 
  tree. 
  Leaves 
  

   larger 
  than 
  in 
  T. 
  americana 
  or 
  T. 
  Michuux'd, 
  often 
  6-8 
  in. 
  long, 
  smooth 
  

   and 
  bright 
  green 
  above, 
  silvery-downy 
  underneath. 
  In 
  wooded 
  or 
  

   mountainous 
  districts. 
  

  

  4. 
  T. 
  europaea 
  L. 
  EUROPEAN 
  LINDEN. 
  A 
  good-sized 
  tree. 
  Leaves 
  

   roundish, 
  obliquely 
  heart-shaped, 
  abruptly 
  taper-pointed, 
  finely 
  

   toothed. 
  Flowers 
  differing 
  from 
  Nos. 
  1 
  and 
  2 
  in 
  the 
  absence 
  of 
  

   petal-like 
  scales 
  at 
  the 
  bases 
  of 
  the 
  stamens. 
  Cultivated 
  from 
  

   Europe. 
  

  

  65. 
  MALVACEJE. 
  MALLOW 
  FAMILY 
  

  

  Herbs 
  or 
  shrubs, 
  with 
  simple, 
  alternate, 
  palmately-veined 
  

   leaves, 
  with 
  stipules. 
  Flowers 
  actinomorphic. 
  Sepals 
  5, 
  often 
  

   surrounded 
  by 
  an 
  involucre 
  at 
  the 
  base. 
  Petals 
  5. 
  Stamens 
  

   numerous, 
  monadelphous. 
  Pistils 
  several, 
  more 
  or 
  less 
  dis- 
  

   tinct. 
  Fruit 
  a 
  several-celled 
  capsule 
  or 
  a 
  collection 
  of 
  1-seeded 
  

  

  carpels. 
  

  

  I. 
  ABUTILON 
  Adans. 
  

  

  Calyx 
  5-cleft, 
  the 
  tube 
  often 
  angled. 
  Styles 
  5-20, 
  with 
  

   knobbed 
  stigmas. 
  Carpels 
  as 
  many 
  as 
  the 
  styles, 
  arranged 
  in 
  

   a 
  circle, 
  each 
  1-celled, 
  3-6-seeded, 
  and 
  opening 
  when 
  ripe 
  by 
  

   2 
  valves. 
  

  

  1. 
  A. 
  striatum 
  Dicks. 
  TASSEL 
  TREE, 
  FLOWERING 
  MAPLE. 
  A 
  

  

  shrub 
  ">-l(J 
  ft. 
  high. 
  Leaves 
  maple-like. 
  Flowers 
  showy, 
  solitary, 
  

  

  