﻿236 
  KEY 
  AND 
  FLORA 
  

  

  H. 
  VALERIANELLA 
  Hill 
  

  

  Annual 
  herbs 
  ; 
  stem 
  forking 
  regularly. 
  Leaves 
  opposite, 
  entire 
  

   or 
  dentate. 
  Flowers 
  in 
  crowded, 
  terminal, 
  bracted 
  cymes. 
  Calyx 
  

   limb 
  toothed 
  or 
  wanting. 
  Corolla 
  white 
  or 
  purplish, 
  funnelform, 
  

   5-lobed. 
  Stamens 
  3. 
  Style 
  3-lobed. 
  Fruit 
  3-celled, 
  1-seeded.* 
  

  

  1. 
  V. 
  Locusta 
  Betcke. 
  LAMB 
  LETTUCE. 
  Stem 
  erect, 
  smooth, 
  or 
  

   downy 
  at 
  the 
  nodes, 
  many 
  times 
  forked, 
  9-12 
  in. 
  high. 
  Basal 
  leaves 
  

   tufted, 
  spatuiate 
  to 
  obovate, 
  entire; 
  the 
  upper 
  lanceolate, 
  dentate, 
  

   sessile. 
  Cymes 
  short-peduncled, 
  bracts 
  linear. 
  Flowers 
  pale 
  blue. 
  

   Fruit 
  compressed, 
  oblique. 
  On 
  rich 
  soil 
  in 
  waste 
  places. 
  Some- 
  

   times 
  cultivated 
  for 
  salad. 
  Introduced 
  from 
  Europe.* 
  

  

  2. 
  V. 
  radiata 
  Uufr. 
  CORN 
  SALAD. 
  Stem 
  erect, 
  smooth 
  above, 
  

   downy 
  below, 
  2-4 
  times 
  forked, 
  8-12 
  in. 
  high. 
  Lower 
  leaves 
  spatu- 
  

   late, 
  entire 
  ; 
  the 
  upper 
  lanceolate, 
  clasping 
  at 
  the 
  base, 
  dentate. 
  

   Cymes 
  compact; 
  bracts 
  lanceolate. 
  Flowers 
  white. 
  Fruit 
  ovoid, 
  

   downy, 
  furrowed. 
  On 
  damp 
  soil.* 
  

  

  98. 
  CUCURBITACE^;. 
  GOURD 
  FAMILY 
  

  

  Somewhat 
  succulent, 
  tendril-bearing, 
  prostrate 
  or 
  climbing, 
  

   herbaceous 
  plants. 
  Leaves 
  alternate, 
  with 
  stipules. 
  Flowers 
  

   epigynous, 
  dioecious 
  or 
  monoecious, 
  often 
  sympetalous. 
  Calyx 
  

   limb 
  (if 
  present) 
  5-lobed. 
  Corolla 
  usually 
  5-lobed 
  and 
  with 
  its 
  

   tube 
  more 
  or 
  less 
  united 
  with 
  the 
  calyx 
  tube. 
  Stamens 
  perigy- 
  

   nous 
  or 
  borne 
  upon 
  the 
  corolla 
  ; 
  the 
  anthers 
  usually 
  joined 
  in 
  

   long, 
  serpentine 
  ridges. 
  Ovary 
  3-celled 
  ; 
  stigmas 
  2 
  or 
  3. 
  Fruit 
  

   generally 
  a 
  pepo 
  (like 
  the 
  melon, 
  squash, 
  and 
  pumpkin), 
  but 
  

   sometimes 
  dry. 
  Seeds 
  commonly 
  large 
  and 
  flat. 
  A 
  large 
  family, 
  

   mostly 
  of 
  tropical 
  plants, 
  .many 
  with 
  eatable 
  fruit, 
  but 
  some 
  

  

  species 
  poisonous. 
  

  

  I. 
  CUCURBITA 
  L. 
  

  

  Annual 
  or 
  perennial 
  herbs 
  ; 
  stem 
  trailing 
  or 
  climbing, 
  2-20 
  

   ft. 
  long. 
  Leaves 
  angular-lobed 
  ; 
  tendrils 
  branching. 
  Flowers 
  

   monoecious, 
  solitary 
  or 
  in 
  small 
  clusters. 
  Calyx 
  5-toothed, 
  the 
  

   limb 
  deciduous. 
  Corolla 
  bell-shaped, 
  5-lobed. 
  Staminate 
  flowers 
  

   with 
  3 
  stamens 
  and 
  no 
  pistil 
  ; 
  pistillate 
  flowers 
  with 
  1 
  pistil 
  and 
  

   3 
  imperfect 
  stamens. 
  Style 
  short 
  ; 
  stigmas 
  3-5, 
  each 
  2-lobed. 
  

   Fruit 
  1-celled, 
  with 
  numerous 
  seeds 
  on 
  the 
  3 
  parietal 
  placentae.* 
  

  

  