SPERMAPHYTA 
35 
Ovary inferior. 
Flowers gynandrous. 
Orchideae. 
Flowers not gynandrous. 
Stamens 3. 
Stamens opposite outer perianth-segments. Irideae. 
Stamens opposite inner perianth-segments. 
Flowers panicled. 
Haem,odoraceae. 
Flowers solitary. 
Amaryllideae. 
Stamens more than 3. 
Anthers dehiscing by pores. 
Hctemodoraceae. 
Anthers dehiscing by slits. 
Amaryllideae. 
Ovary superior. 
Stamens 3. 
H aemodoraceae. 
Stamens 6. 
Anthers dehiscing by pores 
Haemodoraceae. 
Anthers dehiscing by slits 
Liliaceae. 
One whorl of perianth or both calycine. 
Flowers dioecious. 
Restiaceae. 
Flowers hermaphrodite. 
Inner whorl of perianth petaloid or sepaloid. 
Leaves radical. 
Inner perianth-segments yellow, petaloid. Xyrideae. 
Inner perianth-segments greenish, s 
iepaloid. 
Naiadaceae. 
Leaves cauline. 
Gommelinaceae. 
Inner whorl of perianth glumaceous. 
Juncaceae. 
One whorl of the perianth absent. 
N aiadaceae. 
Perianth not pi’esent or consisting of more or 
less insignificant 
scales or bristles. 
Flowers glumaceous. 
Stems hollow ; anthers versatile. 
Gramineae. 
Stems solid ; anthers basifixed. 
Cyperaceae. 
Flowers not glumaceous (naked). 
Flowers on a spadix. 
Fruit a berry; spathe present. 
Aroideae. 
Fruit dry ; spathe not present. 
Typhaceae. 
Flowers not on a spadix. 
Naiadaceae. 
Gymnosperms (ovules not enclosed in an ovary). 
Coniferae. 
(To be continued) 
