XXXil Lrtroductzot. 
Perianth tubular, usually coloured, not hardened at the 
base. 
Stamens borne on the segments of the perianth. 
Shrubs and trees a . .  Proteacee, page 395 
Stamens not borne on the segments of the perianth. 
Ovules erect. Evergreen or deciduous shrubs or 
trees with lepidote leaves . Eleagnacce, p. 395 
Ovules pendulous. Shrubs with a tough fibrous 
bark a‘ : : : Lhymelacee, p. 393 
Perianth short, not tubular or only slightly so. 
Leaves lepidote. Shrubs . : s ELleaguacce, p. 395 
Leaves not lepidote. 
Perianth dry and coloured. Herbs Amaranthacee, p. 388 
Perianth herbaceous or succulent, Chenopodiacee, p. 388 
Flowers unisexual. Herbs or shrubs with scaly simple leaves and 
a membranous or baccate 1-seeded fruit . Chenopodiaceae, p. 388 
3. Flowers with both calyx and corolla, the latter monopetalous.' 
§ Ovary superior. Flowers regular. 
* Ovary 3- to 5-lobed. 
Leaves usually scabrid. Inflorescence gyrate. Herbs or under- 
shrubs : Z .  Borraginacee, p. 319 
Leaves not scabrid. Inflorescence straight. Corolla plaited in 
estivation. Trailing annuals with showy flowers resembling 
those of Convolvulus  . : : 5 Nolanacee, p. 318 
** Ovary not lobed. 
Anthers opening by pores. Evergreen or deciduous shrubs with 
conspicuous flowers é 5 : ‘ i ‘ Ericee, p. 275 
Anthers opening by slits. 
Carpels 4 or 5or only 1. 
Stamens equal in number and opposite to the petals. Herbs 
Primulacee, p. 371 
Stamens not opposite the petals if of the same number. 
Carpels distinct ; seeds indefinite. Succulent herbs 
Crassulacee, p. 188 
Carpels combined. 
ZEstivation of corolla plicate. Climbing, twining, ur trail- 
ing herbs with brightly coloured flowers Convolvulacee, p. 315 
ZKstivation of corolla imbricated. Shrubs often with 
prickly evergreen leaves and small flowers llicince, p. 99 
Carpels usually three. 
Inflorescence gyrate. Herbs . A Hydrophyllacee, p. 814 
Inflorescence not gyrate. Herbs or shrubs Polemoniacee, p. 305 
Carpels only two. 
Stamens two. 
Curolla valvate. Erect: slirubs or trees Oleacee, p. 291 
Corolla imbricate. More or less trailing or climbing 
shrubs with white or yellow flowers . . dasminee, p. 289 
Stamens four or more. 
Jnflorescence gyrate. Herbs . z - Hydrophyllacee, p. 314 
* In some instances the petals are only very slightly united at the hase, 
