KEY 17 



C. FLOWEBS OF MORE OR LESS UNITED PETALS PAGE 



Flowers in curved spikes Tournefortia 189 



Flowers in racemes, fr. a berry . .Vacciniaceae 166 

 Flowers in racemes, or clusters, fr. a capsule.. 



Ericaceae 163 



Flowers in terminal panicles Icacorea 169 



Flowers in axillary clusters, regular, seed 1 . . . . 



Sapotaceae 170 



Flowers in axils, irregular, seed 1 . . . . Scaevola 221 



Flowers in or near axils, seeds many . Solanaceae 186 



Flowers on short spurs, f r. black, seed 1 



Rapanea 170 



Flowers in heads Compositae 228 



B. Leaves Lacking. Stem angled, spiny. Fls. showy. . 



Hylocereus 150 

 A. HERBACEOUS PLANTS 



B. Leaves Scalelike or Lacking 



Flowers irregular Orchidaceae 53 



Flowers regular, petals 3, minute Burmannia 53 



Flowers regular, 4-lobed Bartonia 175 



B. Leaves Basal or Chiefly Basal 

 C. flowers in heads 



Leaves grasslike, heads oblong Xyris 33 



Leaves grasslike, heads flat or hemispheric .... 



Eriocaulaceae 34 



Leaves not grasslike Chaptalia 238 



C. flowers not in heads 

 Flowers Irregular 



Flowers solitary, petals 5 Viola 146 



Flowers many, 5-lobed Tubiflora 208 



Flowers 6-parted (petals 3) Orchidaceae 53 



Flowers Regular 



Flowers minute, with flowerlike spathe 



Peltandra 30 

 Flowers with 3 petals. Epiphyte . .Tillandsia 39 



Flowers with 3 petals. Not epiphytic 



Sagittaria 27 

 Flowers with 5 petals. Marsh plant . Drosera 87 



Flowers with 5 petals. Aquatic plant 



Nymphoides 175 

 Flowers 6-parted, showy . . . .Amaryllidaceae 46 



Flowers 6-parted, small . ." Liliaceae 41 



Flowers with many petals Castalia 83 



B. Leaves Opposite or Whorled 

 C. flovters without petals 



Leaves opposite, sepals 5 Amaranthaceae 73 



Leaves apparently whorled, sepals 5....Mollugo 77 

 Leaves whorled, sepals 6 Eriogonum 70 



